Cherry Pick: #1405 polyphase channelizer thread leak.

Co-authored-by: Dennis Sheirer <dsheirer@github.com>

build.gradle

@@ -28,7 +28,7 @@ repositories {
     maven { url "https://jitpack.io" }
 }
 
-version = '0.5.0-beta7'
+version = '0.5.2'
 sourceCompatibility = '17'
 
 sourceSets {
@@ -212,7 +212,9 @@ runtime {
     }
 
     //Additional modules to include with auto-detected modules.
-    modules = ['jdk.crypto.ec'] //jdk.crypto.ec needed for HTTPS connections (broadcastify calls & map tile server)
+    //jdk.crypto.ec needed for HTTPS connections (broadcastify calls & map tile server)
+    //jdk.accessibility is used with assistive technologies like screen readers
+    modules = ['jdk.crypto.ec','jdk.accessibility']
 
     //Use auto-detected modules and 'add' any specified modules.
     additive = true

src/main/java/io/github/dsheirer/audio/broadcast/AudioStreamingBroadcaster.java

@@ -25,19 +25,15 @@ import io.github.dsheirer.audio.convert.MP3FrameTools;
 import io.github.dsheirer.audio.convert.MP3Setting;
 import io.github.dsheirer.identifier.IdentifierCollection;
 import io.github.dsheirer.util.ThreadPool;
-import org.apache.commons.math3.util.FastMath;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.nio.file.Files;
-import java.util.List;
 import java.util.Queue;
 import java.util.concurrent.LinkedTransferQueue;
 import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public abstract class AudioStreamingBroadcaster<T extends BroadcastConfiguration> extends AbstractAudioBroadcaster<T>
 {
@@ -255,7 +251,6 @@ public abstract class AudioStreamingBroadcaster<T extends BroadcastConfiguration
     public boolean canConnect()
     {
         BroadcastState state = getBroadcastState();
-
         return state != BroadcastState.CONNECTED && !state.isErrorState();
     }
 

src/main/java/io/github/dsheirer/audio/broadcast/BroadcastModel.java

@@ -26,13 +26,6 @@ import io.github.dsheirer.properties.SystemProperties;
 import io.github.dsheirer.sample.Broadcaster;
 import io.github.dsheirer.sample.Listener;
 import io.github.dsheirer.util.ThreadPool;
-import javafx.collections.FXCollections;
-import javafx.collections.ObservableList;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.swing.*;
-import javax.swing.table.AbstractTableModel;
 import java.io.IOException;
 import java.nio.file.DirectoryStream;
 import java.nio.file.Files;
@@ -48,6 +41,12 @@ import java.util.concurrent.TimeUnit;
 import java.util.function.Consumer;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.swing.table.AbstractTableModel;
 
 public class BroadcastModel extends AbstractTableModel implements Listener<AudioRecording>
 {
@@ -58,7 +57,7 @@ public class BroadcastModel extends AbstractTableModel implements Listener<Audio
 
     private static final String UNIQUE_NAME_REGEX = "(.*)\\((\\d*)\\)";
 
-    public static final int COLUMN_SERVER_ICON = 0;
+    public static final int COLUMN_BROADCAST_SERVER_TYPE = 0;
     public static final int COLUMN_STREAM_NAME = 1;
     public static final int COLUMN_BROADCASTER_STATUS = 2;
     public static final int COLUMN_BROADCASTER_QUEUE_SIZE = 3;
@@ -67,7 +66,7 @@ public class BroadcastModel extends AbstractTableModel implements Listener<Audio
     public static final int COLUMN_BROADCASTER_ERROR_COUNT = 6;
 
     public static final String[] COLUMN_NAMES = new String[]
-        {"Streaming", "Name", "Status", "Queued", "Streamed/Uploaded", "Aged Off", "Upload Error"};
+        {"Stream Type", "Name", "Status", "Queued", "Streamed/Uploaded", "Aged Off", "Upload Error"};
 
     private ObservableList<ConfiguredBroadcast> mConfiguredBroadcasts =
         FXCollections.observableArrayList(ConfiguredBroadcast.extractor());
@@ -575,15 +574,8 @@ public class BroadcastModel extends AbstractTableModel implements Listener<Audio
                 {
                     switch(columnIndex)
                     {
-                        case COLUMN_SERVER_ICON:
-                            String iconPath = configuredBroadcast.getBroadcastConfiguration()
-                                .getBroadcastServerType().getIconPath();
-
-                            if(iconPath != null && mIconModel != null)
-                            {
-                                return mIconModel.getScaledIcon(iconPath, 14);
-                            }
-                            break;
+                        case COLUMN_BROADCAST_SERVER_TYPE:
+                            return configuredBroadcast.getBroadcastServerType();
                         case COLUMN_STREAM_NAME:
                             return configuredBroadcast.getBroadcastConfiguration().getName();
                         case COLUMN_BROADCASTER_STATUS:
@@ -653,8 +645,8 @@ public class BroadcastModel extends AbstractTableModel implements Listener<Audio
             case COLUMN_BROADCASTER_STREAMED_COUNT:
             case COLUMN_BROADCASTER_ERROR_COUNT:
                 return Integer.class;
-            case COLUMN_SERVER_ICON:
-                return ImageIcon.class;
+            case COLUMN_BROADCAST_SERVER_TYPE:
+                return BroadcastServerType.class;
             case COLUMN_STREAM_NAME:
             default:
                 return String.class;

src/main/java/io/github/dsheirer/audio/broadcast/BroadcastServerType.java

@@ -1,6 +1,6 @@
-/*******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2016 Dennis Sheirer
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2022 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -14,8 +14,8 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *
- ******************************************************************************/
+ * ****************************************************************************
+ */
 package io.github.dsheirer.audio.broadcast;
 
 public enum BroadcastServerType
@@ -23,17 +23,17 @@ public enum BroadcastServerType
     /**
      * Broadcastify feeds (ie streaming) service
      */
-    BROADCASTIFY("Broadcastify Feed", "/images/broadcastify.png"), //Icecast Server 2.3.2
+    BROADCASTIFY("Broadcastify Feed", "images/broadcastify.png"), //Icecast Server 2.3.2
 
     /**
      * Broadcastify calls - completed audio recording push service
      */
-    BROADCASTIFY_CALL("Broadcastify Call", "/images/broadcastify.png"),
+    BROADCASTIFY_CALL("Broadcastify Call", "images/broadcastify.png"),
 
-    ICECAST_HTTP("Icecast 2 (v2.4+)", "/images/icecast.png"),
-    ICECAST_TCP("Icecast (v2.3)", "/images/icecast.png"),
-    SHOUTCAST_V1("Shoutcast v1.x", "/images/shoutcast.png"),
-    SHOUTCAST_V2("Shoutcast v2.x", "/images/shoutcast.png"),
+    ICECAST_HTTP("Icecast 2 (v2.4+)", "images/icecast.png"),
+    ICECAST_TCP("Icecast (v2.3)", "images/icecast.png"),
+    SHOUTCAST_V1("Shoutcast v1.x", "images/shoutcast.png"),
+    SHOUTCAST_V2("Shoutcast v2.x", "images/shoutcast.png"),
     UNKNOWN("Unknown", null);
 
     private String mLabel;

src/main/java/io/github/dsheirer/audio/broadcast/BroadcastState.java

@@ -1,6 +1,6 @@
-/*******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2016 Dennis Sheirer
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2022 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -14,8 +14,8 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *
- ******************************************************************************/
+ * ****************************************************************************
+ */
 package io.github.dsheirer.audio.broadcast;
 
 public enum BroadcastState
@@ -103,10 +103,10 @@ public enum BroadcastState
     private String mLabel;
     private boolean mErrorState;
 
-    private BroadcastState(String label, boolean connected)
+    BroadcastState(String label, boolean errorState)
     {
         mLabel = label;
-        mErrorState = connected;
+        mErrorState = errorState;
     }
 
     public String toString()

src/main/java/io/github/dsheirer/audio/broadcast/BroadcastStatusPanel.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2019 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2022 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,23 +14,29 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 package io.github.dsheirer.audio.broadcast;
 
+import io.github.dsheirer.icon.Icon;
+import io.github.dsheirer.icon.IconModel;
 import io.github.dsheirer.preference.UserPreferences;
 import io.github.dsheirer.preference.swing.JTableColumnWidthMonitor;
+import java.awt.Color;
+import java.awt.Component;
 import net.miginfocom.swing.MigLayout;
 
+import javax.swing.ImageIcon;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
 import javax.swing.JTable;
 import javax.swing.SwingConstants;
 import javax.swing.table.DefaultTableCellRenderer;
-import java.awt.Color;
-import java.awt.Component;
 
+/**
+ * Table of broadcast streams and statuses.
+ */
 public class BroadcastStatusPanel extends JPanel
 {
     private JTable mTable;
@@ -41,6 +46,12 @@ public class BroadcastStatusPanel extends JPanel
     private UserPreferences mUserPreferences;
     private String mPreferenceKey;
 
+    /**
+     * Constructs an instance
+     * @param broadcastModel to access the streams
+     * @param userPreferences for configuring the panel
+     * @param preferenceKey to store column preferences for this panel.
+     */
     public BroadcastStatusPanel(BroadcastModel broadcastModel, UserPreferences userPreferences, String preferenceKey)
     {
         mBroadcastModel = broadcastModel;
@@ -65,6 +76,7 @@ public class BroadcastStatusPanel extends JPanel
         renderer.setHorizontalAlignment(SwingConstants.CENTER);
 
         mTable.getColumnModel().getColumn(BroadcastModel.COLUMN_BROADCASTER_STATUS).setCellRenderer(new StatusCellRenderer());
+        mTable.getColumnModel().getColumn(BroadcastModel.COLUMN_BROADCAST_SERVER_TYPE).setCellRenderer(new ServerTypeRenderer());
         mColumnWidthMonitor = new JTableColumnWidthMonitor(mUserPreferences, mTable, mPreferenceKey);
 
         mScrollPane = new JScrollPane(mTable);
@@ -72,6 +84,37 @@ public class BroadcastStatusPanel extends JPanel
         add(mScrollPane);
     }
 
+    public class ServerTypeRenderer extends DefaultTableCellRenderer
+    {
+        public ServerTypeRenderer()
+        {
+            setOpaque(true);
+            setHorizontalAlignment(SwingConstants.CENTER);
+        }
+
+        @Override
+        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column)
+        {
+            JLabel component = (JLabel)super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
+
+            if(value instanceof BroadcastServerType broadcastServerType)
+            {
+                component.setText(broadcastServerType.toString());
+                Icon icon = new Icon("empty", broadcastServerType.getIconPath());
+                ImageIcon imageIcon = icon.getIcon();
+                ImageIcon scaledIcon = IconModel.getScaledIcon(imageIcon, 13);
+                component.setIcon(scaledIcon);
+            }
+            else
+            {
+                component.setText(null);
+                component.setIcon(null);
+            }
+
+            return component;
+        }
+    }
+
     /**
      * Custom cell renderer for the broadcast state column.
      */

src/main/java/io/github/dsheirer/audio/broadcast/icecast/IcecastHTTPAudioBroadcaster.java

@@ -20,13 +20,20 @@ package io.github.dsheirer.audio.broadcast.icecast;
 
 import io.github.dsheirer.alias.AliasModel;
 import io.github.dsheirer.audio.broadcast.BroadcastState;
-import io.github.dsheirer.audio.broadcast.icecast.IcecastMetadata;
 import io.github.dsheirer.audio.convert.InputAudioFormat;
 import io.github.dsheirer.audio.convert.MP3AudioConverter;
 import io.github.dsheirer.audio.convert.MP3Setting;
 import io.github.dsheirer.identifier.IdentifierCollection;
 import io.github.dsheirer.properties.SystemProperties;
 import io.github.dsheirer.util.ThreadPool;
+import java.net.ConnectException;
+import java.net.InetSocketAddress;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import org.apache.mina.core.RuntimeIoException;
 import org.apache.mina.core.buffer.IoBuffer;
 import org.apache.mina.core.future.ConnectFuture;
@@ -42,13 +49,6 @@ import org.apache.mina.transport.socket.nio.NioSocketConnector;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.net.ConnectException;
-import java.net.InetSocketAddress;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.concurrent.atomic.AtomicBoolean;
-
 public class IcecastHTTPAudioBroadcaster extends IcecastAudioBroadcaster
 {
     private static final Logger mLog = LoggerFactory.getLogger(IcecastHTTPAudioBroadcaster.class);
@@ -143,8 +143,9 @@ public class IcecastHTTPAudioBroadcaster extends IcecastAudioBroadcaster
                 mSocketConnector = new NioSocketConnector();
                 mSocketConnector.setConnectTimeoutCheckInterval(10000);
 
-//                mSocketConnector.getFilterChain().addLast("logger",
-//                    new LoggingFilter(IcecastHTTPAudioBroadcaster.class));
+//                LoggingFilter loggingFilter = new LoggingFilter(IcecastHTTPAudioBroadcaster.class);
+//                loggingFilter.setMessageReceivedLogLevel(LogLevel.DEBUG);
+//                mSocketConnector.getFilterChain().addLast("logger", loggingFilter);
 
                 mSocketConnector.getFilterChain().addLast("codec", new HttpClientCodec());
                 mSocketConnector.setHandler(new IcecastHTTPIOHandler());
@@ -315,10 +316,49 @@ public class IcecastHTTPAudioBroadcaster extends IcecastAudioBroadcaster
                  * intercept the out of bounds exception and then inspect the message hex dump to see if it's an
                  * OK response and then play like everything is well and good.
                  */
-                if(cause instanceof ArrayIndexOutOfBoundsException &&
-                    ((ProtocolDecoderException)throwable).getHexdump().startsWith(HTTP_1_0_OK_HEX_DUMP))
+                if(cause instanceof ArrayIndexOutOfBoundsException)
                 {
-                    setBroadcastState(BroadcastState.CONNECTED);
+                    String hexDump = ((ProtocolDecoderException)throwable).getHexdump();
+
+                    if(hexDump.startsWith(HTTP_1_0_OK_HEX_DUMP))
+                    {
+                        setBroadcastState(BroadcastState.CONNECTED);
+                    }
+                    else
+                    {
+                        HttpDumpMessage message = new HttpDumpMessage(hexDump);
+
+                        if(message.hasHttpResponseCode())
+                        {
+                            switch(message.getHttpResponseCode())
+                            {
+                                case 403: //Forbidden
+                                    if(message.toString().contains("Mountpoint in use"))
+                                    {
+                                        mLog.error("Stream [" + getStreamName() + "] - unable to connect - mountpoint in use");
+                                        setBroadcastState(BroadcastState.MOUNT_POINT_IN_USE);
+                                        disconnect();
+                                    }
+                                    else
+                                    {
+                                        mLog.error("String [" + getStreamName() + "] - HTTP protocol decoder error - message:\n\n" + message);
+                                        setBroadcastState(BroadcastState.DISCONNECTED);
+                                        disconnect();
+                                    }
+                                    break;
+                                default:
+                                    mLog.error("String [" + getStreamName() + "] - HTTP protocol decoder error - message:\n\n" + message);
+                                    setBroadcastState(BroadcastState.DISCONNECTED);
+                                    disconnect();
+                            }
+                        }
+                        else
+                        {
+                            mLog.error("HTTP protocol decoder error - message:\n\n" + message);
+                            setBroadcastState(BroadcastState.DISCONNECTED);
+                            disconnect();
+                        }
+                    }
                 }
                 else
                 {
@@ -374,4 +414,97 @@ public class IcecastHTTPAudioBroadcaster extends IcecastAudioBroadcaster
             }
         }
     }
+
+    /**
+     * Class for parsing HTTP response messages from Icecast 2.4.2+
+     */
+    public class HttpDumpMessage
+    {
+        private String mHexDump;
+        private String mMessage;
+        private int mHttpResponseCode = -1;
+
+        public HttpDumpMessage(String hexDump)
+        {
+            mHexDump = hexDump;
+
+            String[] split = mHexDump.split(" ");
+            byte[] bytes = new byte[split.length];
+
+            int pointer = 0;
+            for(String a : split)
+            {
+                try
+                {
+                    int value = Integer.parseInt(a, 16);
+                    bytes[pointer++] = (byte) (value & 0xFF);
+                }
+                catch(Exception e)
+                {
+                    pointer++;
+                }
+            }
+
+            mMessage = new String(bytes);
+
+            Pattern pattern = Pattern.compile("HTTP/1.0 (\\d{3})");
+            Matcher m = pattern.matcher(mMessage);
+
+            if(m.find())
+            {
+                try
+                {
+                    mHttpResponseCode = Integer.parseInt(m.group(1));
+                }
+                catch(Exception e)
+                {
+                    mLog.error("Unable to parse HTTP response code that was matched from message: " + m.group(1));
+                }
+            }
+        }
+
+        /**
+         * Indicates if an HTTP response code was parsed from the message
+         * @return true if it was parsed.
+         */
+        public boolean hasHttpResponseCode()
+        {
+            return mHttpResponseCode != -1;
+        }
+
+        /**
+         * Response code parsed from the hexdump message
+         * @return value.
+         */
+        public int getHttpResponseCode()
+        {
+            return mHttpResponseCode;
+        }
+
+        @Override
+        public String toString()
+        {
+            return mMessage;
+        }
+    }
+
+    public static void main(String[] args)
+    {
+        String text = "HTTP/1.0 403 Forbidden";
+
+        Pattern pattern = Pattern.compile("HTTP/1.0 (\\d{3})");
+
+        Matcher m = pattern.matcher(text);
+
+        if(m.find())
+        {
+            mLog.info("Matching Group Count: " + m.groupCount());
+            mLog.info("Match 0: " + m.group(0));
+            mLog.info("Match 1: " + m.group(1));
+        }
+        else
+        {
+            mLog.info("No Match");
+        }
+    }
 }

src/main/java/io/github/dsheirer/audio/broadcast/icecast/IcecastTCPAudioBroadcaster.java

@@ -21,13 +21,19 @@ package io.github.dsheirer.audio.broadcast.icecast;
 import io.github.dsheirer.alias.AliasModel;
 import io.github.dsheirer.audio.broadcast.BroadcastState;
 import io.github.dsheirer.audio.broadcast.icecast.codec.IcecastCodecFactory;
-import io.github.dsheirer.audio.broadcast.icecast.IcecastMetadata;
 import io.github.dsheirer.audio.convert.InputAudioFormat;
 import io.github.dsheirer.audio.convert.MP3AudioConverter;
 import io.github.dsheirer.audio.convert.MP3Setting;
 import io.github.dsheirer.identifier.IdentifierCollection;
 import io.github.dsheirer.properties.SystemProperties;
 import io.github.dsheirer.util.ThreadPool;
+import java.io.IOException;
+import java.net.InetSocketAddress;
+import java.net.SocketException;
+import java.nio.channels.UnresolvedAddressException;
+import java.util.Arrays;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
 import org.apache.mina.core.RuntimeIoException;
 import org.apache.mina.core.future.ConnectFuture;
 import org.apache.mina.core.service.IoHandlerAdapter;
@@ -37,14 +43,6 @@ import org.apache.mina.transport.socket.nio.NioSocketConnector;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.io.IOException;
-import java.net.InetSocketAddress;
-import java.net.SocketException;
-import java.nio.channels.UnresolvedAddressException;
-import java.util.Arrays;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicBoolean;
-
 public class IcecastTCPAudioBroadcaster extends IcecastAudioBroadcaster
 {
     private final static Logger mLog = LoggerFactory.getLogger(IcecastTCPAudioBroadcaster.class);
@@ -215,7 +213,13 @@ public class IcecastTCPAudioBroadcaster extends IcecastAudioBroadcaster
         }
         else
         {
-            setBroadcastState(BroadcastState.DISCONNECTED);
+            //Only set broadcast state to disconnected if it's not already in an error state, to prevent a restart.  We
+            //want to preserve the error state that got us here, so the user can see it.
+            if(!getBroadcastState().isErrorState())
+            {
+                setBroadcastState(BroadcastState.DISCONNECTED);
+            }
+
             mLastConnectionAttempt = System.currentTimeMillis();
         }
     }

src/main/java/io/github/dsheirer/audio/convert/InputAudioFormat.java

@@ -20,6 +20,7 @@
 package io.github.dsheirer.audio.convert;
 
 import io.github.dsheirer.audio.AudioFormats;
+import java.util.EnumSet;
 
 import javax.sound.sampled.AudioFormat;
 
@@ -29,8 +30,8 @@ import javax.sound.sampled.AudioFormat;
 public enum InputAudioFormat
 {
     SR_8000(AudioFormats.PCM_SIGNED_8000_HZ_16_BIT_MONO, "16-Bit 8000 Hz (no resample)"),
-    SR_16000(AudioFormats.PCM_SIGNED_16000_HZ_16_BIT_MONO, "16-Bit 16000 Hz"),
-    SR_22050(AudioFormats.PCM_SIGNED_22050_HZ_16_BIT_MONO, "16-Bit 22050 Hz (default)"),
+    SR_16000(AudioFormats.PCM_SIGNED_16000_HZ_16_BIT_MONO, "16-Bit 16000 Hz (default)"),
+    SR_22050(AudioFormats.PCM_SIGNED_22050_HZ_16_BIT_MONO, "16-Bit 22050 Hz"),
     SR_44100(AudioFormats.PCM_SIGNED_44100_HZ_16_BIT_MONO, "16-Bit 44100 Hz"),
 
     SR_32_8000(AudioFormats.PCM_SIGNED_8000_HZ_32_BIT_MONO, "32-Bit 8000 Hz (no resample)"),
@@ -41,6 +42,17 @@ public enum InputAudioFormat
     private AudioFormat mAudioFormat;
     private String mLabel;
 
+    /**
+     * Set that includes sample rates of 8 or 16 kHz
+     */
+    public static final EnumSet<InputAudioFormat> SAMPLE_RATES_8_16 = EnumSet.of(SR_8000, SR_32_8000, SR_16000, SR_32_16000);
+
+    /**
+     * Set that includes sample rates of 8, 16, or 22 kHz
+     */
+    public static final EnumSet<InputAudioFormat> SAMPLE_RATES_8_16_22 = EnumSet.of(SR_8000, SR_32_8000, SR_16000,
+            SR_32_16000, SR_22050, SR_32_22050);
+
     /**
      * Constructs an instance
      * @param audioFormat for the specified sample rate
@@ -56,7 +68,7 @@ public enum InputAudioFormat
      */
     public static InputAudioFormat getDefault()
     {
-        return SR_22050;
+        return SR_16000;
     }
 
     /**

src/main/java/io/github/dsheirer/audio/convert/MP3AudioConverter.java

@@ -57,19 +57,20 @@ public class MP3AudioConverter implements IAudioConverter
     public MP3AudioConverter(InputAudioFormat inputAudioFormat, MP3Setting setting, boolean normalizeAudio)
     {
         mInputAudioFormat = inputAudioFormat;
-
         mEncoder = LameFactory.getLameEncoder(inputAudioFormat, setting);
-        if(inputAudioFormat.getSampleRate() != mEncoder.getEffectiveSampleRate())
-        {
-            mLog.warn("MP3 encoder setting '" + setting + "' doesn't support sample rate '" + inputAudioFormat + "', resampling disabled. Increase bitrate or decrease sample rate to fix.");
-            mInputAudioFormat = InputAudioFormat.SR_8000;
-            mEncoder = LameFactory.getLameEncoder(mInputAudioFormat, setting);
-        }
-
         mNormalizeAudio = normalizeAudio;
 
+        //Ensure input audio sample rate is supported for the MP3 setting and update as necessary - should never happen.
+        if((mInputAudioFormat.getSampleRate() - mEncoder.getEffectiveSampleRate()) > 1.0)
+        {
+            mInputAudioFormat = InputAudioFormat.getDefault();
+            mLog.warn("MP3 setting [" + setting + "] does not support requested input audio sample rate [" +
+                    inputAudioFormat + "] - using default sample rate [" + mInputAudioFormat + "]");
+            mEncoder = LameFactory.getLameEncoder(inputAudioFormat, setting);
+        }
+
         //Resampling is only required if desired input sample rate is not system default of 8kHz
-        if(inputAudioFormat != InputAudioFormat.SR_8000 && inputAudioFormat != InputAudioFormat.SR_32_8000)
+        if(mInputAudioFormat != InputAudioFormat.SR_8000 && mInputAudioFormat != InputAudioFormat.SR_32_8000)
         {
             mResampler = LameFactory.getResampler(inputAudioFormat);
         }

src/main/java/io/github/dsheirer/audio/convert/MP3Header.java

@@ -100,7 +100,7 @@ public class MP3Header
      */
     public static boolean isPadded(byte[] frame, int offset)
     {
-        return (frame[offset + 2] & 0x01) == 1;
+        return (frame[offset + 2] & 0x02) == 0x02;
     }
 
     /**

src/main/java/io/github/dsheirer/audio/convert/MP3Setting.java

@@ -19,6 +19,8 @@
 
 package io.github.dsheirer.audio.convert;
 
+import java.util.Arrays;
+import java.util.List;
 import net.sourceforge.lame.mp3.Lame;
 
 /**
@@ -79,6 +81,30 @@ public enum MP3Setting
         return mSetting;
     }
 
+    /**
+     * Input audio formats that are supported by the MP3Setting value.
+     * @return list of supported input audio sample rates.
+     */
+    public List<InputAudioFormat> getSupportedSampleRates()
+    {
+        switch(this)
+        {
+            case CBR_16:
+            {
+                return InputAudioFormat.SAMPLE_RATES_8_16.stream().toList();
+            }
+            case CBR_32:
+            case VBR_7:
+            {
+                return InputAudioFormat.SAMPLE_RATES_8_16_22.stream().toList();
+            }
+            default:
+            {
+                return Arrays.stream(InputAudioFormat.values()).toList();
+            }
+        }
+    }
+
     @Override
     public String toString()
     {

src/main/java/io/github/dsheirer/bits/BinaryMessage.java

@@ -1,35 +1,38 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 package io.github.dsheirer.bits;
 
 import io.github.dsheirer.edac.CRC;
+import java.io.UnsupportedEncodingException;
+import java.util.BitSet;
 import org.apache.commons.lang3.Validate;
 import org.apache.commons.math3.util.FastMath;
-
-import java.util.BitSet;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class BinaryMessage extends BitSet
 {
     private static final long serialVersionUID = 1L;
+    private static final Logger LOGGER = LoggerFactory.getLogger(BinaryMessage.class);
+    private static final int[] CHARACTER_7_BIT = new int[]{0, 1, 2, 3, 4, 5, 6};
+    private static final int[] CHARACTER_8_BIT = new int[]{0, 1, 2, 3, 4, 5, 6, 7};
+    private static final String UTF_8 = "UTF-8";
 
     /**
      * Logical (ie constructed) size of this bitset, despite the actual size of
@@ -1038,6 +1041,51 @@ public class BinaryMessage extends BitSet
         return buffer;
     }
 
+    /**
+     * Loads the hexadecimal text into a binary message
+     * @param hex text to load from
+     * @return loaded binary message
+     */
+    public static BinaryMessage loadHex(String hex)
+    {
+        if(!hex.matches("[0-9A-F]*"))
+        {
+            throw new IllegalArgumentException("Message must contain only 0-9 and A-F hexadecimal characters");
+        }
+
+        int length = hex.length() / 2;
+
+        if(length * 2 < hex.length())
+        {
+            length++;
+        }
+
+        BinaryMessage buffer = new BinaryMessage(length * 8);
+
+        int bufferOffset = 0;
+        for(int x = 0; x < hex.length(); x += 2)
+        {
+            int endIndex = x + 2;
+            if(endIndex > hex.length())
+            {
+                endIndex--;
+            }
+
+            String rawHex = hex.substring(x, endIndex);
+
+            if(rawHex.length() == 1)
+            {
+                rawHex = rawHex + "0";
+            }
+
+            int value = Integer.parseInt(rawHex, 16);
+            buffer.setByte(bufferOffset, (byte)(value & 0xFF));
+            bufferOffset += 8;
+        }
+
+        return buffer;
+    }
+
     /**
      * Left rotates the bits between start and end indices, number of places.
      */
@@ -1133,19 +1181,101 @@ public class BinaryMessage extends BitSet
         this.xor(mask);
     }
 
-    public static void main(String[] args)
+    /**
+     * Parse ISO-7 bit characters from the message starting at the offset.
+     * @param offset where to start parsing.
+     * @param characterCount number of characters to parse
+     * @return parsed message.
+     */
+    public String parseISO7(int offset, int characterCount)
     {
-        BinaryMessage message = new BinaryMessage(10);
-        message.set(1);
-        message.set(4);
-        message.set(5);
-        message.set(8);
-        message.set(9);
+        byte[] bytes = new byte[characterCount];
 
-        System.out.println("Hex: " + message.toHexString() + " Size:" + message.size());
-        for(int x = 0; x < 10; x++)
+        for(int x = 0; x < characterCount; x++)
         {
-            System.out.println(x + ": " + message.getHex(x, x + 10));
+            bytes[x] = getByte(CHARACTER_7_BIT, x * 7 + offset);
         }
+
+        return new String(bytes);
+    }
+
+    /**
+     * Parse ISO-8 bit characters from the message starting at the offset.
+     * @param offset where to start parsing.
+     * @param characterCount number of characters to parse
+     * @return parsed message.
+     */
+    public String parseISO8(int offset, int characterCount)
+    {
+        byte[] bytes = new byte[characterCount];
+
+        for(int x = 0; x < characterCount; x++)
+        {
+            bytes[x] = getByte(CHARACTER_8_BIT, x * 8 + offset);
+        }
+
+        return new String(bytes);
+    }
+
+    /**
+     * Parse UTF-8 characters from the message starting at the offset.
+     * @param offset where to start parsing.
+     * @param characterCount number of characters to parse
+     * @return parsed message.
+     * @throws UnsupportedEncodingException if UTF-8 encoding is not supported.
+     */
+    public String parseUTF8(int offset, int characterCount) throws UnsupportedEncodingException
+    {
+        byte[] bytes = new byte[characterCount];
+
+        for(int x = 0; x < characterCount; x++)
+        {
+            bytes[x] = getByte(CHARACTER_8_BIT, x * 8 + offset);
+        }
+
+        return new String(bytes, UTF_8);
+    }
+
+    /**
+     * Parse 16-bit unicode characters from the message starting at the offset.
+     * @param offset where to start parsing.
+     * @param characterCount number of characters to parse
+     * @return parsed message.
+     */
+    public String parseUnicode(int offset, int characterCount)
+    {
+        int length = characterCount * 2;
+        byte[] bytes = new byte[length];
+
+        for(int x = 0; x < length; x++)
+        {
+            bytes[x] = getByte(CHARACTER_8_BIT, x * 8 + offset);
+        }
+
+        return new String(bytes);
+    }
+
+    /**
+     * Parse 4-bit Binary Coded Decimal (BCD) characters from the message starting at the offset.
+     * @param offset where to start parsing.
+     * @param characterCount number of characters to parse
+     * @return parsed message.
+     */
+    public String parseBCD4(int offset, int characterCount)
+    {
+        StringBuilder sb = new StringBuilder();
+
+        int count = 0;
+
+        while(count < characterCount)
+        {
+            int nibble = getNibble(offset);
+            //This will parse digits 0-9 and anything higher will parse as hexadecimal A-F
+            sb.append(Integer.toHexString(nibble).toUpperCase());
+            offset += 4;
+            count++;
+        }
+
+        return sb.toString();
     }
 }

src/main/java/io/github/dsheirer/channel/metadata/NowPlayingPanel.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2019 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 package io.github.dsheirer.channel.metadata;
 
@@ -28,10 +27,11 @@ import io.github.dsheirer.module.decode.event.DecodeEventPanel;
 import io.github.dsheirer.module.decode.event.MessageActivityPanel;
 import io.github.dsheirer.playlist.PlaylistManager;
 import io.github.dsheirer.preference.UserPreferences;
+import io.github.dsheirer.settings.SettingsManager;
+import java.awt.Color;
 import net.miginfocom.swing.MigLayout;
 
 import javax.swing.JPanel;
-import java.awt.Color;
 
 public class NowPlayingPanel extends JPanel
 {
@@ -45,13 +45,14 @@ public class NowPlayingPanel extends JPanel
      * GUI panel that combines the currently decoding channels metadata table and viewers for channel details,
      * messages, events, and spectral view.
      */
-    public NowPlayingPanel(PlaylistManager playlistManager, IconModel iconModel, UserPreferences userPreferences)
+    public NowPlayingPanel(PlaylistManager playlistManager, IconModel iconModel, UserPreferences userPreferences,
+                           SettingsManager settingsManager)
     {
         mChannelDetailPanel = new ChannelDetailPanel(playlistManager.getChannelProcessingManager());
         mDecodeEventPanel = new DecodeEventPanel(iconModel, userPreferences, playlistManager.getAliasModel());
         mMessageActivityPanel = new MessageActivityPanel(userPreferences);
         mChannelMetadataPanel = new ChannelMetadataPanel(playlistManager, iconModel, userPreferences);
-        mChannelPowerPanel = new ChannelPowerPanel(playlistManager);
+        mChannelPowerPanel = new ChannelPowerPanel(playlistManager, settingsManager);
 
         init();
     }
@@ -68,6 +69,10 @@ public class NowPlayingPanel extends JPanel
         tabbedPane.setFont(this.getFont());
         tabbedPane.setForeground(Color.BLACK);
 
+        //Register state change listener to toggle visibility state for channel tab to turn-on/off FFT processing
+        tabbedPane.addChangeListener(e -> mChannelPowerPanel.setPanelVisible(tabbedPane.getSelectedIndex() == tabbedPane
+                .indexOfComponent(mChannelPowerPanel)));
+
         JideSplitPane splitPane = new JideSplitPane(JideSplitPane.VERTICAL_SPLIT);
         splitPane.setShowGripper(true);
         splitPane.add(mChannelMetadataPanel);

src/main/java/io/github/dsheirer/controller/ControllerPanel.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -32,6 +32,8 @@ import io.github.dsheirer.preference.UserPreferences;
 import io.github.dsheirer.settings.SettingsManager;
 import io.github.dsheirer.source.tuner.manager.TunerManager;
 import io.github.dsheirer.source.tuner.ui.TunerViewPanel;
+import java.awt.Color;
+import java.awt.Dimension;
 import jiconfont.icons.font_awesome.FontAwesome;
 import jiconfont.swing.IconFontSwing;
 import net.miginfocom.swing.MigLayout;
@@ -41,8 +43,6 @@ import org.slf4j.LoggerFactory;
 import javax.swing.Icon;
 import javax.swing.JLabel;
 import javax.swing.JPanel;
-import java.awt.Color;
-import java.awt.Dimension;
 
 public class ControllerPanel extends JPanel
 {
@@ -63,7 +63,7 @@ public class ControllerPanel extends JPanel
     {
         mAudioPanel = new AudioPanel(iconModel, userPreferences, settingsManager, audioPlaybackManager,
             playlistManager.getAliasModel());
-        mNowPlayingPanel = new NowPlayingPanel(playlistManager, iconModel, userPreferences);
+        mNowPlayingPanel = new NowPlayingPanel(playlistManager, iconModel, userPreferences, settingsManager);
         mMapPanel = new MapPanel(mapService, playlistManager.getAliasModel(), iconModel, settingsManager);
         mTunerManagerPanel = new TunerViewPanel(tunerManager, userPreferences);
 

src/main/java/io/github/dsheirer/controller/channel/ChannelSelectionManager.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 package io.github.dsheirer.controller.channel;
 
@@ -33,7 +32,7 @@ public class ChannelSelectionManager implements Listener<ChannelEvent>
     public ChannelSelectionManager(ChannelModel channelModel)
     {
         mChannelEventListener = channelModel;
-        channelModel.addListener(this::receive);
+        channelModel.addListener(ChannelSelectionManager.this);
     }
 
     @Override

src/main/java/io/github/dsheirer/dsp/filter/channelizer/ChannelCalculator.java

@@ -1,31 +1,34 @@
-/*******************************************************************************
- * *********************************************************************************************************************
- * sdr-trunk
- * Copyright (C) 2014-2017 Dennis Sheirer
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
- * License as published by  the Free Software Foundation, either version 3 of the License, or  (at your option) any
- * later version.
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
- * This program is distributed in the hope that it will be useful,  but WITHOUT ANY WARRANTY; without even the implied
- * warranty of  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License  along with this program.
- * If not, see <http://www.gnu.org/licenses/>
- * *********************************************************************************************************************
- ******************************************************************************/
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
 package io.github.dsheirer.dsp.filter.channelizer;
 
 import io.github.dsheirer.source.tuner.channel.TunerChannel;
+import java.text.DecimalFormat;
+import java.util.ArrayList;
+import java.util.List;
 import org.apache.commons.math3.util.FastMath;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.ArrayList;
-import java.util.List;
-
 public class ChannelCalculator
 {
+    private static final DecimalFormat FREQUENCY_FORMAT = new DecimalFormat("0.00000");
     private final static Logger mLog = LoggerFactory.getLogger(ChannelCalculator.class);
 
     /**
@@ -546,13 +549,13 @@ public class ChannelCalculator
     public String toString()
     {
         StringBuilder sb = new StringBuilder();
-        sb.append("Channel Calculator Settings");
-        sb.append(" Channels:").append(getChannelCount());
-        sb.append(" Sample Rate:").append(getSampleRate());
-        sb.append(" Channel Bandwidth:").append(getChannelBandwidth());
-        sb.append(" Channel Rate:").append(getChannelSampleRate());
-        sb.append(" Min:").append(getMinimumFrequency());
-        sb.append(" Max:").append(getMaximumFrequency());
+        sb.append("Channel Calculator | Tuner SR:").append(FREQUENCY_FORMAT.format(getSampleRate() / 1E6D));
+        sb.append(" CF:").append(FREQUENCY_FORMAT.format(getCenterFrequency() / 1E6D));
+        sb.append(" MIN:").append(FREQUENCY_FORMAT.format(getMinimumFrequency() / 1E6D));
+        sb.append(" MAX:").append(FREQUENCY_FORMAT.format(getMaximumFrequency() / 1E6D));
+        sb.append(" | Channel COUNT:").append(getChannelCount());
+        sb.append(" BW:").append(FREQUENCY_FORMAT.format(getChannelBandwidth() / 1E6D));
+        sb.append(" SR:").append(FREQUENCY_FORMAT.format(getChannelSampleRate() / 1E6D));
         return sb.toString();
     }
 }

src/main/java/io/github/dsheirer/dsp/filter/channelizer/PolyphaseChannelManager.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -35,6 +35,7 @@ import io.github.dsheirer.source.tuner.TunerController;
 import io.github.dsheirer.source.tuner.channel.TunerChannel;
 import io.github.dsheirer.source.tuner.channel.TunerChannelSource;
 import io.github.dsheirer.util.Dispatcher;
+import java.text.DecimalFormat;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -43,6 +44,7 @@ import java.util.Map;
 import java.util.SortedSet;
 import java.util.TreeSet;
 import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.concurrent.locks.ReentrantLock;
 import org.apache.commons.math3.util.FastMath;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -65,6 +67,7 @@ import org.slf4j.LoggerFactory;
  */
 public class PolyphaseChannelManager implements ISourceEventProcessor
 {
+    private static final DecimalFormat FREQUENCY_FORMAT = new DecimalFormat("0.00000");
     private final static Logger mLog = LoggerFactory.getLogger(PolyphaseChannelManager.class);
     private static final double MINIMUM_CHANNEL_BANDWIDTH = 25000.0;
     private static final double CHANNEL_OVERSAMPLING = 2.0;
@@ -123,6 +126,34 @@ public class PolyphaseChannelManager implements ISourceEventProcessor
         this(tunerController, tunerController.getFrequency(), tunerController.getSampleRate());
     }
 
+    /**
+     * Provides a description of the state of this manager.
+     */
+    public String getStateDescription()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("Polyphase Channel Manager Providing [").append(mChannelSources.size()).append("] Channels");
+        sb.append("\n\t").append(mChannelCalculator);
+        for(PolyphaseChannelSource pcs: mChannelSources)
+        {
+            List<Integer> indexes = pcs.getOutputProcessorIndexes();
+            double sampleRate = pcs.getSampleRate();
+            long indexCenterFrequency = pcs.getIndexCenterFrequency();
+            long appliedFrequencyOffset = pcs.getFrequencyOffset();
+            long requestedCenterFrequency = pcs.getFrequency();
+
+            sb.append("\n\tPolyphase | Tuner SR:").append(FREQUENCY_FORMAT.format(pcs.getTunerSampleRate() / 1E6d));
+            sb.append(" CF:").append(FREQUENCY_FORMAT.format(pcs.getTunerCenterFrequency() / 1E6d));
+            sb.append(" BW: ").append(FREQUENCY_FORMAT.format(sampleRate / 1E6d));
+            sb.append(" | Channel CF: ").append(FREQUENCY_FORMAT.format(indexCenterFrequency / 1E6d));
+            sb.append(" REQUESTED CF: ").append(FREQUENCY_FORMAT.format(requestedCenterFrequency / 1E6d));
+            sb.append(" MIXER:").append(FREQUENCY_FORMAT.format(appliedFrequencyOffset / 1E6d));
+            sb.append(" | Polyphase Indices: ").append(indexes);
+        }
+
+        return sb.toString();
+    }
+
     public void stopAllChannels()
     {
         mRunning = false;
@@ -278,7 +309,7 @@ public class PolyphaseChannelManager implements ISourceEventProcessor
                 //no-op
                 break;
             default:
-                mLog.info("Unrecognized source event: " + sourceEvent.toString());
+                mLog.info("Unrecognized source event: " + sourceEvent);
                 break;
         }
     }
@@ -427,9 +458,6 @@ public class PolyphaseChannelManager implements ISourceEventProcessor
                         source.dispose();
                     }
                     break;
-                case NOTIFICATION_FREQUENCY_CORRECTION_CHANGE:
-                    //ignore
-                    break;
                 case NOTIFICATION_MEASURED_FREQUENCY_ERROR_SYNC_LOCKED:
                     //Rebroadcast so that the tuner source can process this event
                     mSourceEventBroadcaster.broadcast(sourceEvent);
@@ -445,16 +473,18 @@ public class PolyphaseChannelManager implements ISourceEventProcessor
     /**
      * Processes the incoming buffer stream from the provider and transfers the buffers to the polyphase channelizer.
      *
-     * This monitor incorporates a queue for receiving source events that affect configuration of the channelizer so
-     * that they can be processed on the buffer processor calling thread, avoiding unnecessary locks on the channelizer
-     * and/or the channel sources and output processors.
+     * This monitor incorporates a source event handler that queues a center frequency update so that it can be
+     * handled on the buffer processing thread, avoiding having to lock on the output processor thread.  Since we
+     * anticipate that these two threads will contend for access to this update required flag, we use an update lock
+     * to protect access to the flag.
      */
     public class NativeBufferReceiver implements Listener<INativeBuffer>
     {
         private boolean mOutputProcessorUpdateRequired = false;
+        private ReentrantLock mUpdateFlagLock = new ReentrantLock();
 
         /**
-         * Queues the source event for deferred execution on the buffer processing thread.
+         * Processes tuner center frequency change source events to flag when output processors need updating.
          * @param event that affects configuration of the channelizer (frequency or sample rate change events)
          */
         public void receive(SourceEvent event)
@@ -463,14 +493,31 @@ public class PolyphaseChannelManager implements ISourceEventProcessor
 
             if(mChannelCalculator.getCenterFrequency() != frequency)
             {
-                mChannelCalculator.setCenterFrequency(frequency);
-                mOutputProcessorUpdateRequired = true;
+                mUpdateFlagLock.lock();
+
+                try
+                {
+                    //Update the channel calculator frequency so that it's ready when the output processor update occurs
+                    mChannelCalculator.setCenterFrequency(frequency);
+                    mOutputProcessorUpdateRequired = true;
+                }
+                finally
+                {
+                    mUpdateFlagLock.unlock();
+                }
             }
         }
 
+        /**
+         * Process native buffer streams and update polyphase output channels when the parent tuner center
+         * frequency changes.
+         * @param nativeBuffer of sample to process.
+         */
         @Override
         public void receive(INativeBuffer nativeBuffer)
         {
+            mUpdateFlagLock.lock();
+
             try
             {
                 if(mOutputProcessorUpdateRequired)
@@ -478,21 +525,28 @@ public class PolyphaseChannelManager implements ISourceEventProcessor
                     updateOutputProcessors();
                     mOutputProcessorUpdateRequired = false;
                 }
+            }
+            finally
+            {
+                mUpdateFlagLock.unlock();
+            }
 
-                if(mPolyphaseChannelizer != null)
+            if(mPolyphaseChannelizer != null)
+            {
+                Iterator<InterleavedComplexSamples> iterator = nativeBuffer.iteratorInterleaved();
+
+                while(iterator.hasNext())
                 {
-                    Iterator<InterleavedComplexSamples> iterator = nativeBuffer.iteratorInterleaved();
-
-                    while(iterator.hasNext())
+                    try
                     {
                         mPolyphaseChannelizer.receive(iterator.next());
                     }
+                    catch(Throwable throwable)
+                    {
+                        mLog.error("Error", throwable);
+                    }
                 }
             }
-            catch(Throwable throwable)
-            {
-                mLog.error("Error", throwable);
-            }
         }
     }
 }

src/main/java/io/github/dsheirer/dsp/filter/channelizer/PolyphaseChannelSource.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -28,11 +28,13 @@ import io.github.dsheirer.source.SourceEvent;
 import io.github.dsheirer.source.tuner.channel.StreamProcessorWithHeartbeat;
 import io.github.dsheirer.source.tuner.channel.TunerChannel;
 import io.github.dsheirer.source.tuner.channel.TunerChannelSource;
-import java.util.List;
-import java.util.concurrent.locks.ReentrantLock;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.locks.ReentrantLock;
+
 /**
  * Polyphase Channelizer's Tuner Channel Source implementation.  Wraps a ChannelOutputProcessor instance and
  * provides tuner channel source functionality.  Supports dynamic swapout of the underlying channel output processor
@@ -45,9 +47,13 @@ public class PolyphaseChannelSource extends TunerChannelSource implements Listen
     private StreamProcessorWithHeartbeat<ComplexSamples> mStreamHeartbeatProcessor;
     private double mChannelSampleRate;
     private long mIndexCenterFrequency;
-    private long mChannelFrequencyCorrection;
     private ReentrantLock mOutputProcessorLock = new ReentrantLock();
 
+    private List<Integer> mOutputProcessorIndexes = new ArrayList<>();
+    private double mTunerSampleRate;
+    private double mTunerCenterFrequency;
+
+
     /**
      * Constructs an instance
      *
@@ -66,6 +72,41 @@ public class PolyphaseChannelSource extends TunerChannelSource implements Listen
         updateOutputProcessor(channelCalculator, filterManager);
     }
 
+    /**
+     * Description of the state or configuration of the output processor.
+     */
+    public String getStateDescription()
+    {
+        return mPolyphaseChannelOutputProcessor.getStateDescription();
+    }
+
+    /**
+     * Current output processor indexes.
+     * @return indexes
+     */
+    public List<Integer> getOutputProcessorIndexes()
+    {
+        return mOutputProcessorIndexes;
+    }
+
+    /**
+     * Sample rate or bandwidth of the tuner providing input to the channelizer.
+     * @return sample rate
+     */
+    public double getTunerSampleRate()
+    {
+        return mTunerSampleRate;
+    }
+
+    /**
+     * Center tuned frequency of the tuner providing input to the channelizer.
+     * @return center frequency
+     */
+    public double getTunerCenterFrequency()
+    {
+        return mTunerCenterFrequency;
+    }
+
     @Override
     public void start()
     {
@@ -125,6 +166,11 @@ public class PolyphaseChannelSource extends TunerChannelSource implements Listen
             //calculator will throw an IllegalArgException ... handled below
             List<Integer> indexes = channelCalculator.getChannelIndexes(getTunerChannel());
 
+            mOutputProcessorIndexes.clear();
+            mOutputProcessorIndexes.addAll(indexes);
+            mTunerCenterFrequency = channelCalculator.getCenterFrequency();
+            mTunerSampleRate = channelCalculator.getSampleRate();
+
             //The provided channels are necessarily aligned to the center frequency that this source is providing and an
             //oscillator will mix the provided channels to bring the desired center frequency to baseband.
             setFrequency(channelCalculator.getCenterFrequencyForIndexes(indexes));
@@ -137,7 +183,7 @@ public class PolyphaseChannelSource extends TunerChannelSource implements Listen
                 {
                     try
                     {
-                        float[] filter = filterManager.getFilter(channelCalculator.getSampleRate(),
+                        float[] filter = filterManager.getFilter(channelCalculator.getChannelSampleRate(),
                                 channelCalculator.getChannelBandwidth(), indexes.size());
                         mPolyphaseChannelOutputProcessor.setSynthesisFilter(filter);
                     }
@@ -156,6 +202,7 @@ public class PolyphaseChannelSource extends TunerChannelSource implements Listen
                 if(mPolyphaseChannelOutputProcessor != null)
                 {
                     mPolyphaseChannelOutputProcessor.setListener(null);
+                    mPolyphaseChannelOutputProcessor.stop();
                 }
 
                 mPolyphaseChannelOutputProcessor = null;
@@ -263,59 +310,32 @@ public class PolyphaseChannelSource extends TunerChannelSource implements Listen
         }
     }
 
-    @Override
-    public long getChannelFrequencyCorrection()
-    {
-        return mChannelFrequencyCorrection;
-    }
-
     /**
-     * Adjusts the frequency correction value that is being applied to the channelized output stream by the
-     * polyphase channel output processor.
-     *
-     * @param value to apply for frequency correction in hertz
-     */
-    protected void setChannelFrequencyCorrection(long value)
-    {
-        mChannelFrequencyCorrection = value;
-        updateFrequencyOffset();
-        broadcastConsumerSourceEvent(SourceEvent.frequencyCorrectionChange(mChannelFrequencyCorrection));
-    }
-
-    /**
-     * Sets the center frequency for this channel.frequency for the incoming sample stream channel results and resets frequency correction to zero.
+     * Sets the center frequency for this channel.
      * @param frequency in hertz
      */
     @Override
     public void setFrequency(long frequency)
     {
         mIndexCenterFrequency = frequency;
+    }
 
-        //Set frequency correction to zero to trigger an update to the mixer and allow downstream monitors to
-        //recalculate the frequency error correction again
-        setChannelFrequencyCorrection(0);
+    /**
+     * Center frequency from the incoming index channel(s).
+     * @return frequency in hertz
+     */
+    public long getIndexCenterFrequency()
+    {
+        return mIndexCenterFrequency;
     }
 
     /**
      * Calculates the frequency offset required to mix the incoming signal to center the desired frequency
      * within the channel
      */
-    private long getFrequencyOffset()
+    public long getFrequencyOffset()
     {
-        return mIndexCenterFrequency - getTunerChannel().getFrequency() + mChannelFrequencyCorrection;
-    }
-
-    /**
-     * Updates the frequency offset being applied by the output processor.  Calculates the offset using the center
-     * frequency of the incoming polyphase channel results and the desired output channel frequency adjusted by any
-     * requested frequency correction value.
-     */
-    private void updateFrequencyOffset()
-    {
-        if(mPolyphaseChannelOutputProcessor != null)
-        {
-            mPolyphaseChannelOutputProcessor.setFrequencyOffset(getFrequencyOffset());
-        }
+        return mIndexCenterFrequency - getTunerChannel().getFrequency();
     }
 
     @Override

src/main/java/io/github/dsheirer/dsp/filter/channelizer/TwoChannelSynthesizerM2.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -19,6 +19,7 @@
 package io.github.dsheirer.dsp.filter.channelizer;
 
 import io.github.dsheirer.sample.complex.ComplexSamples;
+import java.util.Arrays;
 import org.apache.commons.math3.util.FastMath;
 import org.jtransforms.fft.FloatFFT_1D;
 import org.slf4j.Logger;
@@ -65,6 +66,20 @@ public class TwoChannelSynthesizerM2
         init(filter);
     }
 
+    /**
+     * Description of the state/configuration of this synthesizer to support debugging.
+     * @return state description.
+     */
+    public String getStateDescription()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("Two-Channel Synthesizer");
+        sb.append("\n\t\t Interleaved Filter: " + Arrays.toString(mIQInterleavedFilter));
+        sb.append("\n\t\t Serpentine Buffer Length: ").append(mSerpentineDataBuffer.length);
+        sb.append("\n\t\t Filter Vector Product Length: ").append(mFilterVectorProduct.length);
+        return sb.toString();
+    }
+
     /**
      * Initializes the synthesizer filter and data buffers for operation.
      *
@@ -73,7 +88,6 @@ public class TwoChannelSynthesizerM2
     private void init(float[] filter)
     {
         int tapsPerChannel = (int) FastMath.ceil(filter.length / 2);
-
         mIQInterleavedFilter = getInterleavedFilter(filter, tapsPerChannel);
         mSerpentineDataBuffer = new float[mIQInterleavedFilter.length];
         mFilterVectorProduct = new float[mIQInterleavedFilter.length];

src/main/java/io/github/dsheirer/dsp/filter/channelizer/output/IPolyphaseChannelOutputProcessor.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -24,6 +24,11 @@ import java.util.List;
 
 public interface IPolyphaseChannelOutputProcessor
 {
+    /**
+     * Description of the state/configuration of this output processor
+     */
+    String getStateDescription();
+
     /**
      * Start processing channel results
      */

src/main/java/io/github/dsheirer/dsp/filter/channelizer/output/OneChannelOutputProcessor.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -45,6 +45,16 @@ public class OneChannelOutputProcessor extends ChannelOutputProcessor
         mMixerAssembler.getMixer().setSampleRate(sampleRate);
     }
 
+    @Override
+    public String getStateDescription()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("One Channel Output Processor");
+        sb.append("\n\tIndex (doubled) [").append(mChannelOffset).append("]");
+        sb.append("\n\tMixer Assembler: none");
+        return sb.toString();
+    }
+
     @Override
     public void setSynthesisFilter(float[] filter)
     {

src/main/java/io/github/dsheirer/dsp/filter/channelizer/output/TwoChannelMixerAssembler.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -42,6 +42,19 @@ public class TwoChannelMixerAssembler extends MixerAssembler
         super(gain);
     }
 
+    /**
+     * Description of the state/configuration of this mixer assembler.
+     */
+    public String getStateDescription()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("Two Channel Mixer Assembler - State Description:");
+        sb.append("\n\tTwo-Channel Synthesizer: ").append(mTwoChannelSynthesizer.getStateDescription());
+        sb.append("\n\tMixer Frequency: ").append(getMixer().getFrequency());
+        sb.append("\n\tGain: ").append(getGain().getGain());
+        return sb.toString();
+    }
+
     /**
      * Sets the filter coefficients to use for two-channel synthesis
      * @param filter

src/main/java/io/github/dsheirer/dsp/filter/channelizer/output/TwoChannelOutputProcessor.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -49,6 +49,16 @@ public class TwoChannelOutputProcessor extends ChannelOutputProcessor
         setSynthesisFilter(filter);
     }
 
+    @Override
+    public String getStateDescription()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("Two Channel Output Processor");
+        sb.append("\n\tIndices (doubled) 1 [").append(mChannelOffset1).append("] 2 [").append(mChannelOffset2).append("]");
+        sb.append("\n\tMixer Assembler: ").append(mMixerAssembler.getStateDescription());
+        return sb.toString();
+    }
+
     /**
      * Sets the frequency offset to apply to the incoming samples to mix the desired signal to baseband.
      *

src/main/java/io/github/dsheirer/dsp/gain/complex/ComplexGain.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -41,7 +41,7 @@ public abstract class ComplexGain
      * Gain value that will be applied to complex samples
      * @return gain value
      */
-    protected float getGain()
+    public float getGain()
     {
         return mGain;
     }

src/main/java/io/github/dsheirer/dsp/mixer/ComplexMixer.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -72,6 +72,15 @@ public abstract class ComplexMixer
         return mOscillator.hasFrequency();
     }
 
+    /**
+     * Current frequency of this oscillator
+     * @return frequency in hertz
+     */
+    public double getFrequency()
+    {
+        return mOscillator.getFrequency();
+    }
+
     /**
      * Sets the sample rate of the underlying oscillator
      * @param sampleRate in Hertz

src/main/java/io/github/dsheirer/dsp/oscillator/AWGNOscillator.java

@@ -0,0 +1,117 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.dsp.oscillator;
+
+import io.github.dsheirer.sample.complex.ComplexSamples;
+import java.util.Random;
+
+/**
+ * Additive white gaussian noise wrapper around a complex oscillator that mixes in gaussian noise to the complex
+ * samples generated by the underlying complex oscillator.
+ */
+public class AWGNOscillator implements IComplexOscillator
+{
+    private final Random mRandom = new Random();
+    private IComplexOscillator mComplexOscillator;
+    private float mNoiseScale;
+
+    /**
+     * Constructs an instance
+     * @param complexOscillator to generate samples
+     * @param noiseScale to apply to generated samples to reduce the power of the noise and increase the SNR.
+     */
+    public AWGNOscillator(IComplexOscillator complexOscillator, float noiseScale)
+    {
+        mComplexOscillator = complexOscillator;
+        mNoiseScale = noiseScale;
+    }
+
+    /**
+     * Produce the next scaled noise sample.
+     * @return next scaled noise sample.
+     */
+    private float nextNoise()
+    {
+        return (float)mRandom.nextGaussian() * mNoiseScale;
+    }
+
+    @Override
+    public float[] generate(int sampleCount)
+    {
+        float[] generated = mComplexOscillator.generate(sampleCount);
+
+        for(int x = 0; x < generated.length; x++)
+        {
+            generated[x] += nextNoise();
+        }
+
+        return generated;
+    }
+
+    @Override
+    public ComplexSamples generateComplexSamples(int sampleCount, long timestamp)
+    {
+        ComplexSamples samples = mComplexOscillator.generateComplexSamples(sampleCount, timestamp);
+
+        for(int x = 0; x < samples.i().length; x++)
+        {
+            samples.i()[x] += nextNoise();
+            samples.q()[x] += nextNoise();
+        }
+
+        return samples;
+    }
+
+    @Override
+    public double getFrequency()
+    {
+        return mComplexOscillator.getFrequency();
+    }
+
+    @Override
+    public void setFrequency(double frequency)
+    {
+        mComplexOscillator.setFrequency(frequency);
+    }
+
+    @Override
+    public boolean hasFrequency()
+    {
+        return mComplexOscillator.hasFrequency();
+    }
+
+    @Override
+    public double getSampleRate()
+    {
+        return mComplexOscillator.getSampleRate();
+    }
+
+    @Override
+    public void setSampleRate(double sampleRate)
+    {
+        mComplexOscillator.setSampleRate(sampleRate);
+    }
+
+    @Override
+    public boolean isEnabled()
+    {
+        return mComplexOscillator.isEnabled();
+    }
+}

src/main/java/io/github/dsheirer/dsp/psk/pll/FrequencyCorrectionSyncMonitor.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2020 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 package io.github.dsheirer.dsp.psk.pll;
 
@@ -101,7 +98,9 @@ public class FrequencyCorrectionSyncMonitor implements ISyncDetectListener, IFre
     @Override
     public void processFrequencyError(long frequencyError)
     {
-        //Only rebroadcast the frequency error if the sync count is more than 2
+        mFeedbackDecoder.broadcast(SourceEvent.pllFrequencyMeasurement(frequencyError));
+
+        //Only rebroadcast as a frequency error measurement if the sync count is more than 2
         if(mSyncCount > 2)
         {
             mFeedbackDecoder.broadcast(SourceEvent.frequencyErrorMeasurement(frequencyError));

src/main/java/io/github/dsheirer/edac/BerlekempMassey.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.edac;
@@ -34,7 +31,7 @@ import org.slf4j.LoggerFactory;
  */
 public class BerlekempMassey
 {
-    public final static Logger mLog = LoggerFactory.getLogger(BerlekempMassey.class);
+    private final static Logger mLog = LoggerFactory.getLogger(BerlekempMassey.class);
 
     /* Golay field size GF( 2 ** MM ) */
     private int MM;

src/main/java/io/github/dsheirer/edac/Checksum_5_DMR.java

@@ -0,0 +1,66 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.edac;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Implements the 5-bit Checksum error detection algorithm specified in TS 102 361-1 paragraph B.3.11
+ */
+public class Checksum_5_DMR
+{
+    private static final Logger LOGGER = LoggerFactory.getLogger(Checksum_5_DMR.class);
+
+    private static final int[] LC_0 = {0, 1, 2, 3, 4, 5, 6, 7};
+    private static final int[] LC_1 = {8, 9, 10, 11, 12, 13, 14, 15};
+    private static final int[] LC_2 = {16, 17, 18, 19, 20, 21, 22, 23};
+    private static final int[] LC_3 = {24, 25, 26, 27, 28, 29, 30, 31};
+    private static final int[] LC_4 = {32, 33, 34, 35, 36, 37, 38, 39};
+    private static final int[] LC_5 = {40, 41, 42, 43, 44, 45, 46, 47};
+    private static final int[] LC_6 = {48, 49, 50, 51, 52, 53, 54, 55};
+    private static final int[] LC_7 = {56, 57, 58, 59, 60, 61, 62, 63};
+    private static final int[] LC_8 = {64, 65, 66, 67, 68, 69, 70, 71};
+    private static final int[] CHECKSUM = {72, 73, 74, 75, 76};
+
+    /**
+     * Indicates if the 77-bit Full Link Control message is valid.
+     * @param message to check
+     * @return true if the checksum matches.
+     */
+    public static boolean isValid(CorrectedBinaryMessage message)
+    {
+        int accumulator = message.getInt(LC_0);
+        accumulator += message.getInt(LC_1);
+        accumulator += message.getInt(LC_2);
+        accumulator += message.getInt(LC_3);
+        accumulator += message.getInt(LC_4);
+        accumulator += message.getInt(LC_5);
+        accumulator += message.getInt(LC_6);
+        accumulator += message.getInt(LC_7);
+        accumulator += message.getInt(LC_8);
+
+        accumulator = accumulator % 31;
+        int checksum = message.getInt(CHECKSUM);
+
+        return accumulator == checksum;
+    }
+}

src/main/java/io/github/dsheirer/edac/ReedSolomon_12_9_4_DMR.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,12 +20,16 @@
 package io.github.dsheirer.edac;
 
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Berlecamp-Massey decoder for Reed Solomon RS(12,9,4) protected messages using DMR generator polynomial
  */
 public class ReedSolomon_12_9_4_DMR extends ReedSolomon_255_DMR
 {
+    private final static Logger mLog = LoggerFactory.getLogger(ReedSolomon_12_9_4_DMR.class);
+
     private static final int[] FLC_CODEWORD_0 = {0, 1, 2, 3, 4, 5, 6, 7};
     private static final int[] FLC_CODEWORD_1 = {8, 9, 10, 11, 12, 13, 14, 15};
     private static final int[] FLC_CODEWORD_2 = {16, 17, 18, 19, 20, 21, 22, 23};
@@ -56,16 +60,16 @@ public class ReedSolomon_12_9_4_DMR extends ReedSolomon_255_DMR
      *
      * @param message to be corrected.
      * @param crcMask as defined in the TS 102-361-1 Table B.21
-     * @return true if the message was corrected.
+     * @return true if the message is correct or if the message was corrected.
      */
     public boolean correctFullLinkControl(CorrectedBinaryMessage message, int crcMask)
     {
         int[] input = new int[255];
         int[] output = new int[255];
 
-        input[0] = message.getInt(FLC_PARITY_2) ^ crcMask;
-        input[1] = message.getInt(FLC_PARITY_1) ^ crcMask;
-        input[2] = message.getInt(FLC_PARITY_0) ^ crcMask;
+        input[0] = (message.getInt(FLC_PARITY_2) ^ crcMask);
+        input[1] = (message.getInt(FLC_PARITY_1) ^ crcMask);
+        input[2] = (message.getInt(FLC_PARITY_0) ^ crcMask);
         input[3] = message.getInt(FLC_CODEWORD_8);
         input[4] = message.getInt(FLC_CODEWORD_7);
         input[5] = message.getInt(FLC_CODEWORD_6);
@@ -106,4 +110,40 @@ public class ReedSolomon_12_9_4_DMR extends ReedSolomon_255_DMR
 
         return true;
     }
+
+    public static void main(String[] args)
+    {
+        int[] output = new int[255];
+        int[] input = new int[255];
+        input[0] = 247;
+        input[1] = 236;
+        input[2] = 171;
+        input[3] = 24;
+        input[4] = 46;
+        input[5] = 177;
+        input[6] = 246;
+        input[7] = 205;
+        input[8] = 232;
+        input[9] = 32;
+        input[10] = 124;
+        input[11] = 0;
+
+//        input[254] = 247;
+//        input[253] = 236;
+//        input[252] = 171;
+//        input[251] = 24;
+//        input[250] = 46;
+//        input[249] = 177;
+//        input[248] = 246;
+//        input[247] = 205;
+//        input[246] = 232;
+//        input[245] = 32;
+//        input[244] = 124;
+//        input[243] = 0;
+
+        ReedSolomon_12_9_4_DMR rs = new ReedSolomon_12_9_4_DMR();
+        boolean irrecoverable = rs.decode(input, output);
+
+        mLog.info("Irrecoverable: " + irrecoverable);
+    }
 }

src/main/java/io/github/dsheirer/gui/JavaFxWindowManager.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -24,6 +24,8 @@ import io.github.dsheirer.alias.AliasModel;
 import io.github.dsheirer.controller.channel.map.ChannelMap;
 import io.github.dsheirer.controller.channel.map.ChannelRange;
 import io.github.dsheirer.eventbus.MyEventBus;
+import io.github.dsheirer.gui.dmr.DMRRecordingViewer;
+import io.github.dsheirer.gui.dmr.ViewDmrRecordingViewerRequest;
 import io.github.dsheirer.gui.icon.IconManager;
 import io.github.dsheirer.gui.icon.ViewIconManagerRequest;
 import io.github.dsheirer.gui.playlist.PlaylistEditor;
@@ -65,6 +67,7 @@ public class JavaFxWindowManager extends Application
     public static final String USER_PREFERENCES_EDITOR = "preferences";
     public static final String STAGE_MONITOR_KEY_CALIBRATION_DIALOG = "calibration.dialog";
     public static final String STAGE_MONITOR_KEY_CHANNEL_MAP_EDITOR = "channel.map";
+    public static final String STAGE_MONITOR_KEY_DMR_MESSAGE_VIEWER = "dmr.message.viewer";
     public static final String STAGE_MONITOR_KEY_ICON_MANAGER_EDITOR = "icon.manager";
     public static final String STAGE_MONITOR_KEY_JMBE_EDITOR = "jmbe.editor";
     public static final String STAGE_MONITOR_KEY_PLAYLIST_EDITOR = "playlist";
@@ -79,12 +82,14 @@ public class JavaFxWindowManager extends Application
     private TunerManager mTunerManager;
     private UserPreferences mUserPreferences;
     private UserPreferencesEditor mUserPreferencesEditor;
+    private DMRRecordingViewer mDmrRecordingViewer;
 
     private Stage mChannelMapStage;
     private Stage mIconManagerStage;
     private Stage mJmbeEditorStage;
     private Stage mPlaylistStage;
     private Stage mUserPreferencesStage;
+    private Stage mDmrRecordingViewerStage;
 
     /**
      * Constructs an instance.  Note: this constructor is used for Swing applications.
@@ -189,6 +194,34 @@ public class JavaFxWindowManager extends Application
         return new CalibrationDialog(userPreferences);
     }
 
+    /**
+     * Stage for the DMR Message Viewer
+     */
+    public Stage getDmrRecordingViewerStage()
+    {
+        if(mDmrRecordingViewerStage == null)
+        {
+            createJFXPanel();
+            Scene scene = new Scene(getDmrRecordingViewer(), 1100, 800);
+            mDmrRecordingViewerStage = new Stage();
+            mDmrRecordingViewerStage.setTitle("sdrtrunk - DMR Recording Viewer");
+            mDmrRecordingViewerStage.setScene(scene);
+            mUserPreferences.getJavaFxPreferences().monitor(mDmrRecordingViewerStage, STAGE_MONITOR_KEY_DMR_MESSAGE_VIEWER);
+        }
+
+        return mDmrRecordingViewerStage;
+    }
+
+    public DMRRecordingViewer getDmrRecordingViewer()
+    {
+        if(mDmrRecordingViewer == null)
+        {
+            mDmrRecordingViewer = new DMRRecordingViewer();
+        }
+
+        return mDmrRecordingViewer;
+    }
+
     public Stage getIconManagerStage()
     {
         if(mIconManagerStage == null)
@@ -416,6 +449,19 @@ public class JavaFxWindowManager extends Application
         });
     }
 
+    /**
+     * Process a channel map editor request
+     */
+    @Subscribe
+    public void process(final ViewDmrRecordingViewerRequest request)
+    {
+        execute(() -> {
+            getDmrRecordingViewerStage().show();
+            getDmrRecordingViewerStage().requestFocus();
+            getDmrRecordingViewerStage().toFront();
+        });
+    }
+
     @Override
     public void start(Stage primaryStage) throws Exception
     {

src/main/java/io/github/dsheirer/gui/SDRTrunk.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -32,6 +32,7 @@ import io.github.dsheirer.controller.channel.ChannelAutoStartFrame;
 import io.github.dsheirer.controller.channel.ChannelException;
 import io.github.dsheirer.controller.channel.ChannelSelectionManager;
 import io.github.dsheirer.eventbus.MyEventBus;
+import io.github.dsheirer.gui.dmr.ViewDmrRecordingViewerRequest;
 import io.github.dsheirer.gui.icon.ViewIconManagerRequest;
 import io.github.dsheirer.gui.playlist.ViewPlaylistRequest;
 import io.github.dsheirer.gui.preference.CalibrateRequest;
@@ -59,6 +60,26 @@ import io.github.dsheirer.spectrum.SpectralDisplayPanel;
 import io.github.dsheirer.util.ThreadPool;
 import io.github.dsheirer.util.TimeStamp;
 import io.github.dsheirer.vector.calibrate.CalibrationManager;
+import java.awt.AWTException;
+import java.awt.Desktop;
+import java.awt.Dimension;
+import java.awt.EventQueue;
+import java.awt.GraphicsEnvironment;
+import java.awt.Point;
+import java.awt.Robot;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.KeyEvent;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.nio.file.FileSystems;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+import java.util.Locale;
+import java.util.Optional;
 import javafx.application.Platform;
 import javafx.scene.control.ButtonType;
 import jiconfont.icons.font_awesome.FontAwesome;
@@ -80,26 +101,6 @@ import javax.swing.UIManager;
 import javax.swing.event.MenuEvent;
 import javax.swing.event.MenuListener;
 import javax.swing.plaf.metal.MetalLookAndFeel;
-import java.awt.AWTException;
-import java.awt.Desktop;
-import java.awt.Dimension;
-import java.awt.EventQueue;
-import java.awt.GraphicsEnvironment;
-import java.awt.Point;
-import java.awt.Robot;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.event.KeyEvent;
-import java.awt.event.WindowAdapter;
-import java.awt.event.WindowEvent;
-import java.awt.image.BufferedImage;
-import java.io.IOException;
-import java.nio.file.FileSystems;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.List;
-import java.util.Locale;
-import java.util.Optional;
 
 public class SDRTrunk implements Listener<TunerEvent>
 {
@@ -413,9 +414,11 @@ public class SDRTrunk implements Listener<TunerEvent>
         viewPlaylistItem.addActionListener(e -> MyEventBus.getGlobalEventBus().post(new ViewPlaylistRequest()));
         viewMenu.add(viewPlaylistItem);
 
-        JMenuItem preferencesItem = new JMenuItem("User Preferences");
-        preferencesItem.addActionListener(e -> MyEventBus.getGlobalEventBus().post(new ViewUserPreferenceEditorRequest()));
-        viewMenu.add(preferencesItem);
+        viewMenu.add(new JSeparator());
+
+        JMenuItem dmrMessageViewerMenu = new JMenuItem("DMR Recording Viewer");
+        dmrMessageViewerMenu.addActionListener(e -> MyEventBus.getGlobalEventBus().post(new ViewDmrRecordingViewerRequest()));
+        viewMenu.add(dmrMessageViewerMenu);
 
         JMenuItem settingsMenu = new JMenuItem("Icon Manager");
         settingsMenu.addActionListener(arg0 -> MyEventBus.getGlobalEventBus().post(new ViewIconManagerRequest()));
@@ -436,15 +439,19 @@ public class SDRTrunk implements Listener<TunerEvent>
                     mLog.error("Couldn't open file explorer");
 
                     JOptionPane.showMessageDialog(mMainGui,
-                        "Can't launch file explorer - files are located at: " +
-                            getHomePath().toString(),
-                        "Can't launch file explorer",
-                        JOptionPane.ERROR_MESSAGE);
+                            "Can't launch file explorer - files are located at: " +
+                                    getHomePath().toString(),
+                            "Can't launch file explorer",
+                            JOptionPane.ERROR_MESSAGE);
                 }
             }
         });
         viewMenu.add(logFilesMenu);
 
+        JMenuItem preferencesItem = new JMenuItem("User Preferences");
+        preferencesItem.addActionListener(e -> MyEventBus.getGlobalEventBus().post(new ViewUserPreferenceEditorRequest()));
+        viewMenu.add(preferencesItem);
+
         viewMenu.add(new JSeparator());
         viewMenu.add(new TunersMenu());
         viewMenu.add(new JSeparator());

src/main/java/io/github/dsheirer/gui/channelizer/ChannelizerViewer2.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,6 +20,7 @@ package io.github.dsheirer.gui.channelizer;
 
 import io.github.dsheirer.buffer.FloatNativeBuffer;
 import io.github.dsheirer.buffer.INativeBuffer;
+import io.github.dsheirer.dsp.filter.channelizer.PolyphaseChannelSource;
 import io.github.dsheirer.sample.Listener;
 import io.github.dsheirer.sample.complex.ComplexSamples;
 import io.github.dsheirer.settings.SettingsManager;
@@ -36,6 +37,12 @@ import io.github.dsheirer.spectrum.ComplexDftProcessor;
 import io.github.dsheirer.spectrum.DFTSize;
 import io.github.dsheirer.spectrum.SpectrumPanel;
 import io.github.dsheirer.spectrum.converter.ComplexDecibelConverter;
+import java.awt.Dimension;
+import java.awt.EventQueue;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.ArrayList;
+import java.util.List;
 import net.miginfocom.swing.MigLayout;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -50,12 +57,6 @@ import javax.swing.JToggleButton;
 import javax.swing.SpinnerNumberModel;
 import javax.swing.event.ChangeEvent;
 import javax.swing.event.ChangeListener;
-import java.awt.Dimension;
-import java.awt.EventQueue;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.util.ArrayList;
-import java.util.List;
 
 public class ChannelizerViewer2 extends JFrame
 {
@@ -194,9 +195,9 @@ public class ChannelizerViewer2 extends JFrame
 
                             getTopChannelArrayPanel().addChannel(tunerChannel);
                         }
-                        catch(Exception exception)
+                        catch(Exception e1)
                         {
-                            mLog.error("Can't parse frequency from value: " + value);
+                            mLog.error("Can't parse frequency from value: " + value, e1);
                         }
                     }
                 }
@@ -229,9 +230,9 @@ public class ChannelizerViewer2 extends JFrame
 
                             getBottomChannelArrayPanel().addChannel(tunerChannel);
                         }
-                        catch(Exception exception)
+                        catch(Exception e1)
                         {
-                            mLog.error("Can't parse frequency from value: " + value);
+                            mLog.error("Can't parse frequency from value: " + value, e1);
                         }
                     }
                 }
@@ -388,6 +389,26 @@ public class ChannelizerViewer2 extends JFrame
                     mComplexDftProcessor.receive(new FloatNativeBuffer(complexSamples.toInterleaved()));
                 });
 
+                if(mSource instanceof PolyphaseChannelSource pcs)
+                {                    List<Integer> indexes = pcs.getOutputProcessorIndexes();
+                    double sRate = pcs.getSampleRate();
+                    long indexCenterFrequency = pcs.getIndexCenterFrequency();
+                    long appliedFrequencyOffset = pcs.getFrequencyOffset();
+                    long requestedCenterFrequency = pcs.getFrequency();
+
+                    StringBuilder sb = new StringBuilder();
+                    sb.append("Polyphase Channel - Bandwidth: ").append(sRate);
+                    sb.append(" Channel/Requested/Offset: ").append(indexCenterFrequency);
+                    sb.append("/").append(requestedCenterFrequency);
+                    sb.append("/").append(appliedFrequencyOffset);
+                    sb.append(" Indexes: ").append(indexes);
+                    sb.append(" Tuner SR:").append(pcs.getTunerSampleRate());
+                    sb.append(" Tuner CF:").append(pcs.getTunerCenterFrequency());
+                    mLog.info(sb.toString());
+
+
+                }
+
                 mSource.start();
             }
             else

src/main/java/io/github/dsheirer/gui/dmr/DMRRecordingViewer.java

@@ -0,0 +1,479 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.gui.dmr;
+
+import io.github.dsheirer.message.IMessage;
+import io.github.dsheirer.module.decode.dmr.DMRMessageFramer;
+import io.github.dsheirer.module.decode.dmr.DMRMessageProcessor;
+import io.github.dsheirer.module.decode.dmr.DecodeConfigDMR;
+import io.github.dsheirer.record.binary.BinaryReader;
+import java.io.File;
+import java.nio.ByteBuffer;
+import java.util.function.Predicate;
+import java.util.prefs.Preferences;
+import javafx.application.Application;
+import javafx.application.Platform;
+import javafx.beans.property.SimpleStringProperty;
+import javafx.beans.value.ObservableValue;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.collections.transformation.FilteredList;
+import javafx.geometry.Insets;
+import javafx.geometry.Pos;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+import javafx.scene.control.CheckBox;
+import javafx.scene.control.Label;
+import javafx.scene.control.TableColumn;
+import javafx.scene.control.TableView;
+import javafx.scene.control.TextField;
+import javafx.scene.control.cell.PropertyValueFactory;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.Priority;
+import javafx.scene.layout.VBox;
+import javafx.stage.FileChooser;
+import javafx.stage.Stage;
+import javafx.util.Callback;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Utility application to load and view a DMR .bits recording file with the messages fully parsed.
+ */
+public class DMRRecordingViewer extends VBox
+{
+    private static final Logger mLog = LoggerFactory.getLogger(DMRRecordingViewer.class);
+    private static final String LAST_SELECTED_DIRECTORY = "last.selected.directory";
+    private Preferences mPreferences = Preferences.userNodeForPackage(DMRRecordingViewer.class);
+    private Scene mScene;
+    private Button mSelectFileButton;
+    private Label mSelectedFileLabel;
+    private TableView<IMessage> mMessageTableView;
+    private ObservableList<IMessage> mMessages = FXCollections.observableArrayList();
+    private FilteredList<IMessage> mFilteredMessages = new FilteredList<>(mMessages);
+    private CheckBox mShowTS0;
+    private CheckBox mShowTS1;
+    private CheckBox mShowTS2;
+    private CheckBox mUseCompressedTalkgroups;
+    private TextField mSearchText;
+    private TextField mFindText;
+    private Button mFindButton;
+    private Button mFindNextButton;
+
+    public DMRRecordingViewer()
+    {
+        setPadding(new Insets(5));
+        setSpacing(5);
+
+        HBox fileBox = new HBox();
+        fileBox.setMaxWidth(Double.MAX_VALUE);
+        fileBox.setAlignment(Pos.CENTER_LEFT);
+        fileBox.setSpacing(5);
+        HBox.setHgrow(getSelectFileButton(), Priority.NEVER);
+        HBox.setHgrow(getSelectedFileLabel(), Priority.ALWAYS);
+        getSelectedFileLabel().setAlignment(Pos.BASELINE_CENTER);
+
+        HBox compressedBox = new HBox();
+        compressedBox.setAlignment(Pos.CENTER_RIGHT);
+        compressedBox.setMaxWidth(Double.MAX_VALUE);
+        compressedBox.getChildren().addAll(getUseCompressedTalkgroups());
+        HBox.setHgrow(compressedBox, Priority.ALWAYS);
+
+        fileBox.getChildren().addAll(getSelectFileButton(), getSelectedFileLabel(), compressedBox);
+
+        HBox filterBox = new HBox();
+        filterBox.setMaxWidth(Double.MAX_VALUE);
+        filterBox.setAlignment(Pos.BASELINE_CENTER);
+        filterBox.setSpacing(5);
+
+        Label showLabel = new Label("Show:");
+        HBox.setMargin(showLabel, new Insets(0,0,0,15));
+        Label searchLabel = new Label("Message Filter:");
+        HBox.setMargin(searchLabel, new Insets(0,0,0,15));
+        Label findLabel = new Label("Find:");
+
+        HBox.setHgrow(getFindText(), Priority.ALWAYS);
+        HBox.setHgrow(getSearchText(), Priority.ALWAYS);
+
+        filterBox.getChildren().addAll(findLabel, getFindText(), getFindButton(), getFindNextButton(), searchLabel,
+                getSearchText(), showLabel, getShowTS0(), getShowTS1(), getShowTS2());
+
+        VBox.setVgrow(fileBox, Priority.NEVER);
+        VBox.setVgrow(filterBox, Priority.NEVER);
+        VBox.setVgrow(getMessageTableView(), Priority.ALWAYS);
+
+        getChildren().addAll(fileBox, filterBox, getMessageTableView());
+    }
+
+    /**
+     * Processes the recording file and loads the content into the viewer
+     * @param file containing a .bits recording of decoded DMR data.
+     */
+    private void load(File file)
+    {
+        if(file != null && file.exists())
+        {
+            getSelectedFileLabel().setText(file.getName());
+            mMessages.clear();
+
+            DMRMessageFramer messageFramer = new DMRMessageFramer(null);
+            DecodeConfigDMR config = new DecodeConfigDMR();
+            if(getUseCompressedTalkgroups().isSelected())
+            {
+                config.setUseCompressedTalkgroups(true);
+            }
+            DMRMessageProcessor messageProcessor = new DMRMessageProcessor(config);
+            messageFramer.setListener(messageProcessor);
+            messageProcessor.setMessageListener(message -> mMessages.add(message));
+
+            try(BinaryReader reader = new BinaryReader(file.toPath(), 200))
+            {
+                while(reader.hasNext())
+                {
+                    ByteBuffer buffer = reader.next();
+                    messageFramer.receive(buffer);
+                }
+            }
+            catch(Exception ioe)
+            {
+                ioe.printStackTrace();
+            }
+        }
+    }
+
+    /**
+     * Updates the filter(s) applies to the list of messages
+     */
+    private void updateFilters()
+    {
+        Predicate<IMessage> timeslotPredicate = message ->
+               (getShowTS0().isSelected() && (message.getTimeslot() == 0)) ||
+               (getShowTS1().isSelected() && (message.getTimeslot() == 1)) ||
+               (getShowTS2().isSelected() && (message.getTimeslot() == 2));
+
+        String filterText = getSearchText().getText();
+
+        if(filterText == null || filterText.isEmpty())
+        {
+            mFilteredMessages.setPredicate(timeslotPredicate);
+        }
+        else
+        {
+            Predicate<IMessage> textPredicate = message -> message.toString().toLowerCase().contains(filterText.toLowerCase());
+            mFilteredMessages.setPredicate(timeslotPredicate.and(textPredicate));
+        }
+    }
+
+    /**
+     * Finds and selects the first row containing the text argument.
+     * @param text to search for.
+     */
+    private void find(String text)
+    {
+        if(text != null && !text.isEmpty())
+        {
+            for(IMessage message: mFilteredMessages)
+            {
+                if(message.toString().toLowerCase().contains(text.toLowerCase()))
+                {
+                    getMessageTableView().getSelectionModel().select(message);
+                    getMessageTableView().scrollTo(message);
+                    return;
+                }
+            }
+        }
+    }
+
+    /**
+     * Finds and selects the first row containing the text argument, after the currently selected row.
+     * @param text to search for.
+     */
+    private void findNext(String text)
+    {
+        if(text != null && !text.isEmpty())
+        {
+            IMessage selected = getMessageTableView().getSelectionModel().getSelectedItem();
+
+            if(selected == null)
+            {
+                find(text);
+                return;
+            }
+
+            int row = mFilteredMessages.indexOf(selected);
+
+            for(int x = row + 1; x < mFilteredMessages.size(); x++)
+            {
+                if(x < mFilteredMessages.size())
+                {
+                    IMessage message = mFilteredMessages.get(x);
+
+                    if(message.toString().toLowerCase().contains(text.toLowerCase()))
+                    {
+                        getMessageTableView().getSelectionModel().select(message);
+                        getMessageTableView().scrollTo(message);
+                        return;
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * List view control with DMR messages
+     */
+    private TableView<IMessage> getMessageTableView()
+    {
+        if(mMessageTableView == null)
+        {
+            mMessageTableView = new TableView<>(mFilteredMessages);
+
+            TableColumn timestampColumn = new TableColumn();
+            timestampColumn.setPrefWidth(110);
+            timestampColumn.setText("Time");
+            timestampColumn.setCellValueFactory(new PropertyValueFactory<>("timestamp"));
+
+            TableColumn timeslotColumn = new TableColumn();
+            timeslotColumn.setPrefWidth(35);
+            timeslotColumn.setText("TS");
+            timeslotColumn.setCellValueFactory(new PropertyValueFactory<>("timeslot"));
+
+            TableColumn validColumn = new TableColumn();
+            validColumn.setPrefWidth(50);
+            validColumn.setText("Valid");
+            validColumn.setCellValueFactory(new PropertyValueFactory<>("valid"));
+
+            TableColumn messageColumn = new TableColumn();
+            messageColumn.setPrefWidth(1000);
+            messageColumn.setText("Message");
+            messageColumn.setCellValueFactory((Callback<TableColumn.CellDataFeatures, ObservableValue>) param -> {
+                SimpleStringProperty property = new SimpleStringProperty();
+                if(param.getValue() instanceof IMessage message)
+                {
+                    property.set(message.toString());
+                }
+
+                return property;
+            });
+
+            mMessageTableView.getColumns().addAll(timestampColumn, validColumn, timeslotColumn, messageColumn);
+        }
+
+        return mMessageTableView;
+    }
+
+    /**
+     * File selection button
+     * @return button
+     */
+    private Button getSelectFileButton()
+    {
+        if(mSelectFileButton == null)
+        {
+            mSelectFileButton = new Button("Select ...");
+            mSelectFileButton.onActionProperty().set(event -> {
+                FileChooser fileChooser = new FileChooser();
+                fileChooser.setTitle("Select DMR .bits Recording");
+                String lastDirectory = mPreferences.get(LAST_SELECTED_DIRECTORY, null);
+                if(lastDirectory != null)
+                {
+                    File file = new File(lastDirectory);
+                    if(file.exists() && file.isDirectory())
+                    {
+                        fileChooser.setInitialDirectory(file);
+                    }
+                }
+                fileChooser.setSelectedExtensionFilter(new FileChooser.ExtensionFilter("sdrtrunk bits recording", "*.bits"));
+                File selected = fileChooser.showOpenDialog(getScene().getWindow());
+
+                if(selected != null)
+                {
+                    mLog.info("Last Selected Directory updated to [" + selected.getParent() +"]");
+                    mPreferences.put(LAST_SELECTED_DIRECTORY, selected.getParent());
+                    load(selected);
+                }
+            });
+        }
+
+        return mSelectFileButton;
+    }
+
+    /**
+     * Selected file path label.
+     */
+    private Label getSelectedFileLabel()
+    {
+        if(mSelectedFileLabel == null)
+        {
+            mSelectedFileLabel = new Label(" ");
+        }
+
+        return mSelectedFileLabel;
+    }
+
+    /**
+     * Check box to apply filter to show/hide TS0 messages
+     * @return check box control
+     */
+    private CheckBox getShowTS0()
+    {
+        if(mShowTS0 == null)
+        {
+            mShowTS0 = new CheckBox("TS0");
+            mShowTS0.setSelected(true);
+            mShowTS0.setOnAction(event -> updateFilters());
+        }
+
+        return mShowTS0;
+    }
+
+    /**
+     * Check box to apply filter to show/hide TS0 messages
+     * @return check box control
+     */
+    private CheckBox getShowTS1()
+    {
+        if(mShowTS1 == null)
+        {
+            mShowTS1 = new CheckBox("TS1");
+            mShowTS1.setSelected(true);
+            mShowTS1.setOnAction(event -> updateFilters());
+        }
+
+        return mShowTS1;
+    }
+
+    /**
+     * Check box to apply filter to show/hide TS0 messages
+     * @return check box control
+     */
+    private CheckBox getShowTS2()
+    {
+        if(mShowTS2 == null)
+        {
+            mShowTS2 = new CheckBox("TS2");
+            mShowTS2.setSelected(true);
+            mShowTS2.setOnAction(event -> updateFilters());
+        }
+
+        return mShowTS2;
+    }
+
+    /**
+     * Search text filter box
+     * @return text control for entering search text
+     */
+    private TextField getSearchText()
+    {
+        if(mSearchText == null)
+        {
+            mSearchText = new TextField();
+            mSearchText.textProperty().addListener((observable, oldValue, newValue) -> updateFilters());
+        }
+
+        return mSearchText;
+    }
+
+    /**
+     * Text box for find text
+     */
+    private TextField getFindText()
+    {
+        if(mFindText == null)
+        {
+            mFindText = new TextField();
+            mFindText.textProperty().addListener((observable, oldValue, newValue) -> updateFilters());
+        }
+
+        return mFindText;
+    }
+
+    /**
+     * Find button to search for the text in the find text box.
+     * @return button
+     */
+    private Button getFindButton()
+    {
+        if(mFindButton == null)
+        {
+            mFindButton = new Button("Find");
+            mFindButton.setOnAction(event -> find(getFindText().getText()));
+        }
+
+        return mFindButton;
+    }
+
+    /**
+     * Find next button to search for the text in the find text box.
+     * @return button
+     */
+    private Button getFindNextButton()
+    {
+        if(mFindNextButton == null)
+        {
+            mFindNextButton = new Button("Next");
+            mFindNextButton.setOnAction(event -> findNext(getFindText().getText()));
+        }
+
+        return mFindNextButton;
+    }
+
+    /**
+     * Use Hytera Tier 3 Compressed Talkgroups
+     * @return
+     */
+    private CheckBox getUseCompressedTalkgroups()
+    {
+        if(mUseCompressedTalkgroups == null)
+        {
+            mUseCompressedTalkgroups = new CheckBox("Use Compressed Talkgroups");
+        }
+
+        return mUseCompressedTalkgroups;
+    }
+
+    public static void main(String[] args)
+    {
+        Application viewer = new Application()
+        {
+            @Override
+            public void start(Stage primaryStage) throws Exception
+            {
+                Scene scene = new Scene(new DMRRecordingViewer(), 1100, 800);
+                primaryStage.setTitle("DMR Recording Viewer");
+                primaryStage.setScene(scene);
+                primaryStage.show();
+            }
+        };
+
+        Runnable r = () -> {
+            try
+            {
+                viewer.start(new Stage());
+            }
+            catch(Exception e)
+            {
+                mLog.error("Error starting DMR recording viewer application", e);
+            }
+        };
+
+        Platform.startup(r);
+    }
+}

src/main/java/io/github/dsheirer/gui/dmr/ViewDmrRecordingViewerRequest.java

@@ -0,0 +1,33 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.gui.dmr;
+
+import io.github.dsheirer.gui.JavaFxWindowRequest;
+
+/**
+ * Request to show the DMR recording viewer
+ */
+public class ViewDmrRecordingViewerRequest extends JavaFxWindowRequest
+{
+    /**
+     * Constructs an instance
+     */
+    public ViewDmrRecordingViewerRequest() {}
+}

src/main/java/io/github/dsheirer/gui/playlist/alias/identifier/RadioIdEditor.java

@@ -217,6 +217,9 @@ public class RadioIdEditor extends IdentifierEditor<Radio>
             }
         }
 
+        mLog.warn("Unable to find radio id editor for protocol [" + protocol + "] and format [" + integerFormat +
+                "] - using default editor");
+
         //Use a default instance
         for(RadioDetail detail: mRadioDetails)
         {

src/main/java/io/github/dsheirer/gui/playlist/alias/identifier/RadioIdRangeEditor.java

@@ -159,7 +159,7 @@ public class RadioIdRangeEditor extends IdentifierEditor<RadioRange>
             else
             {
                 mLog.warn("Couldn't find radio ID detail for protocol [" + getItem().getProtocol() +
-                    "] and format [" + format + "]");
+                        "] and format [" + format + "]");
                 getFormatLabel().setText(" ");
             }
         }
@@ -267,6 +267,9 @@ public class RadioIdRangeEditor extends IdentifierEditor<RadioRange>
             }
         }
 
+        mLog.warn("Unable to find radio id range editor for protocol [" + protocol + "] and format [" + integerFormat +
+                "] - using default editor");
+
         //Use a default instance
         for(RadioIdDetail detail: mRadioDetails)
         {
@@ -287,20 +290,23 @@ public class RadioIdRangeEditor extends IdentifierEditor<RadioRange>
     {
         List<RadioIdDetail> details = new ArrayList<>();
         details.add(new RadioIdDetail(Protocol.APCO25, IntegerFormat.DECIMAL, new IntegerFormatter(0,0xFFFFFF),
-            new IntegerFormatter(0,0xFFFFFF), "Format: 0 - 16777215"));
+                new IntegerFormatter(0,0xFFFFFF), "Format: 0 - 16777215"));
         details.add(new RadioIdDetail(Protocol.APCO25, IntegerFormat.HEXADECIMAL, new HexFormatter(0,0xFFFFFF),
-            new HexFormatter(0,0xFFFFFF), "Format: 0 - FFFFFF"));
+                new HexFormatter(0,0xFFFFFF), "Format: 0 - FFFFFF"));
         details.add(new RadioIdDetail(Protocol.PASSPORT, IntegerFormat.DECIMAL, new IntegerFormatter(0,0x7FFFFF),
-            new IntegerFormatter(0,0x7FFFFF), "Format: 0 - 8388607"));
+                new IntegerFormatter(0,0x7FFFFF), "Format: 0 - 8388607"));
         details.add(new RadioIdDetail(Protocol.PASSPORT, IntegerFormat.HEXADECIMAL, new HexFormatter(0,0x7FFFFF),
-            new HexFormatter(0,0x7FFFFF), "Format: 0 - 7FFFFF"));
+                new HexFormatter(0,0x7FFFFF), "Format: 0 - 7FFFFF"));
         details.add(new RadioIdDetail(Protocol.UNKNOWN, IntegerFormat.DECIMAL, new IntegerFormatter(0,16777215),
-            new IntegerFormatter(0,16777215), "Format: 0 - FFFFFF"));
+                new IntegerFormatter(0,16777215), "Format: 0 - FFFFFF"));
         details.add(new RadioIdDetail(Protocol.UNKNOWN, IntegerFormat.FORMATTED, new IntegerFormatter(0,16777215),
-            new IntegerFormatter(0,16777215), "Format: 0 - FFFFFF"));
+                new IntegerFormatter(0,16777215), "Format: 0 - FFFFFF"));
         details.add(new RadioIdDetail(Protocol.UNKNOWN, IntegerFormat.HEXADECIMAL, new HexFormatter(0,16777215),
-            new HexFormatter(0,16777215), "Format: 0 - FFFFFF"));
-
+                new HexFormatter(0,16777215), "Format: 0 - FFFFFF"));
+        details.add(new RadioIdDetail(Protocol.DMR, IntegerFormat.DECIMAL, new IntegerFormatter(0,16777215),
+                new IntegerFormatter(0,16777215), "Format: 0 - 16777215"));
+        details.add(new RadioIdDetail(Protocol.DMR, IntegerFormat.HEXADECIMAL, new HexFormatter(0,16777215),
+                new HexFormatter(0,16777215), "Format: 0 - FFFFFF"));
         return details;
     }
 

src/main/java/io/github/dsheirer/gui/playlist/alias/identifier/TalkgroupEditor.java

@@ -135,7 +135,7 @@ public class TalkgroupEditor extends IdentifierEditor<Talkgroup>
             else
             {
                 mLog.warn("Couldn't find talkgroup detail for protocol [" + getItem().getProtocol() +
-                    "] and format [" + format + "]");
+                        "] and format [" + format + "]");
             }
 
             getFormatLabel().setText(talkgroupDetail.getTooltip());
@@ -219,6 +219,9 @@ public class TalkgroupEditor extends IdentifierEditor<Talkgroup>
             }
         }
 
+        mLog.warn("Unable to find talkgroup editor for protocol [" + protocol + "] and format [" + integerFormat +
+                "] - using default editor");
+
         //Use a default instance
         for(TalkgroupDetail detail: mTalkgroupDetails)
         {
@@ -236,37 +239,37 @@ public class TalkgroupEditor extends IdentifierEditor<Talkgroup>
     {
         mTalkgroupDetails.clear();
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.APCO25, IntegerFormat.DECIMAL, new IntegerFormatter(0,65535),
-            "Format: 0 - 65535"));
+                "Format: 0 - 65535"));
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.APCO25, IntegerFormat.HEXADECIMAL, new HexFormatter(0,65535),
-            "Format: 0 - FFFF"));
-        mTalkgroupDetails.add(new TalkgroupDetail(Protocol.DMR, IntegerFormat.DECIMAL, new IntegerFormatter(0,0xFFFFFF),
-            "Format: 0 - 16,777,215"));
-        mTalkgroupDetails.add(new TalkgroupDetail(Protocol.DMR, IntegerFormat.HEXADECIMAL, new HexFormatter(0,0xFFFFFF),
-            "Format: 0 - FFFFFF"));
+                "Format: 0 - FFFF"));
+        mTalkgroupDetails.add(new TalkgroupDetail(Protocol.DMR, IntegerFormat.DECIMAL, new IntegerFormatter(1,0xFFFFFF),
+                "Format: 1 - 16,777,215"));
+        mTalkgroupDetails.add(new TalkgroupDetail(Protocol.DMR, IntegerFormat.HEXADECIMAL, new HexFormatter(1,0xFFFFFF),
+                "Format: 1 - FFFFFF"));
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.FLEETSYNC, IntegerFormat.FORMATTED,
-            new PrefixIdentFormatter(0,0xFFFFF), "Format: PPP-IIII = Prefix (0-127), Ident (0-8191)"));
+                new PrefixIdentFormatter(0,0xFFFFF), "Format: PPP-IIII = Prefix (0-127), Ident (0-8191)"));
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.LTR, IntegerFormat.FORMATTED, new LtrFormatter(0,0x3FFF),
-            "Format: A-HH-TTT = Area (0-1), Home (1-31), Talkgroup (1-255)"));
+                "Format: A-HH-TTT = Area (0-1), Home (1-31), Talkgroup (1-255)"));
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.MDC1200, IntegerFormat.DECIMAL, new IntegerFormatter(0,0xFFFF),
-            "Format: 0 - 65535"));
+                "Format: 0 - 65535"));
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.MDC1200, IntegerFormat.HEXADECIMAL, new HexFormatter(0,0xFFFF),
-            "Format: 0 - FFFF"));
+                "Format: 0 - FFFF"));
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.MPT1327, IntegerFormat.FORMATTED,
-            new PrefixIdentFormatter(0,0xFFFFF), "Format: PPP-IIII = Prefix (0-127), Ident (0-8191)"));
+                new PrefixIdentFormatter(0,0xFFFFF), "Format: PPP-IIII = Prefix (0-127), Ident (0-8191)"));
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.NBFM, IntegerFormat.DECIMAL, new IntegerFormatter(1,0xFFFF),
-            "Format: 1 - 65535"));
+                "Format: 1 - 65535"));
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.NBFM, IntegerFormat.HEXADECIMAL, new HexFormatter(1,0xFFFF),
-            "Format: 1 - FFFF"));
+                "Format: 1 - FFFF"));
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.PASSPORT, IntegerFormat.DECIMAL, new IntegerFormatter(0,0xFFFF),
                 "Format: 0 - 65535"));
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.PASSPORT, IntegerFormat.HEXADECIMAL, new HexFormatter(0,0xFFFF),
                 "Format: 0 - FFFF"));
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.UNKNOWN, IntegerFormat.DECIMAL, new IntegerFormatter(0,16777215),
-            "Format: 0 - FFFFFF"));
+                "Format: 0 - FFFFFF"));
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.UNKNOWN, IntegerFormat.FORMATTED, new IntegerFormatter(0,16777215),
-            "Format: 0 - FFFFFF"));
+                "Format: 0 - FFFFFF"));
         mTalkgroupDetails.add(new TalkgroupDetail(Protocol.UNKNOWN, IntegerFormat.HEXADECIMAL, new HexFormatter(0,16777215),
-            "Format: 0 - FFFFFF"));
+                "Format: 0 - FFFFFF"));
     }
 
     public static class TalkgroupDetail

src/main/java/io/github/dsheirer/gui/playlist/alias/identifier/TalkgroupRangeEditor.java

@@ -161,7 +161,7 @@ public class TalkgroupRangeEditor extends IdentifierEditor<TalkgroupRange>
             else
             {
                 mLog.warn("Couldn't find talkgroup detail for protocol [" + getItem().getProtocol() +
-                    "] and format [" + format + "]");
+                        "] and format [" + format + "]");
                 getFormatLabel().setText(" ");
             }
         }
@@ -269,6 +269,9 @@ public class TalkgroupRangeEditor extends IdentifierEditor<TalkgroupRange>
             }
         }
 
+        mLog.warn("Unable to find talkgroup range editor for protocol [" + protocol + "] and format [" + integerFormat +
+                "] - using default editor");
+
         //Use a default instance
         for(TalkgroupDetail detail: mTalkgroupDetails)
         {
@@ -289,31 +292,35 @@ public class TalkgroupRangeEditor extends IdentifierEditor<TalkgroupRange>
     {
         List<TalkgroupDetail> details = new ArrayList<>();
         details.add(new TalkgroupDetail(Protocol.APCO25, IntegerFormat.DECIMAL, new IntegerFormatter(0,65535),
-            new IntegerFormatter(0,65535), "Format: 0 - 65535"));
+                new IntegerFormatter(0,65535), "Format: 0 - 65535"));
         details.add(new TalkgroupDetail(Protocol.APCO25, IntegerFormat.HEXADECIMAL, new HexFormatter(0,65535),
-            new HexFormatter(0,65535), "Format: 0 - FFFF"));
+                new HexFormatter(0,65535), "Format: 0 - FFFF"));
         details.add(new TalkgroupDetail(Protocol.FLEETSYNC, IntegerFormat.FORMATTED,
-            new PrefixIdentFormatter(0,0xFFFFF), new PrefixIdentFormatter(0,0xFFFFF),
-            "Format: PPP-IIII = Prefix (0-127), Ident (0-8191)"));
+                new PrefixIdentFormatter(0,0xFFFFF), new PrefixIdentFormatter(0,0xFFFFF),
+                "Format: PPP-IIII = Prefix (0-127), Ident (0-8191)"));
         details.add(new TalkgroupDetail(Protocol.LTR, IntegerFormat.FORMATTED, new LtrFormatter(0,0x3FFF),
-            new LtrFormatter(0,0x3FFF), "Format: A-HH-TTT = Area (0-1), Home (1-31), Talkgroup (1-255)"));
+                new LtrFormatter(0,0x3FFF), "Format: A-HH-TTT = Area (0-1), Home (1-31), Talkgroup (1-255)"));
         details.add(new TalkgroupDetail(Protocol.MDC1200, IntegerFormat.DECIMAL, new IntegerFormatter(0,0xFFFF),
-            new IntegerFormatter(0,0xFFFF), "Format: 0 - 65535"));
+                new IntegerFormatter(0,0xFFFF), "Format: 0 - 65535"));
         details.add(new TalkgroupDetail(Protocol.MDC1200, IntegerFormat.HEXADECIMAL, new HexFormatter(0,0xFFFF),
-            new HexFormatter(0,0xFFFF), "Format: 0 - FFFF"));
+                new HexFormatter(0,0xFFFF), "Format: 0 - FFFF"));
         details.add(new TalkgroupDetail(Protocol.MPT1327, IntegerFormat.FORMATTED,
-            new PrefixIdentFormatter(0,0xFFFFF), new PrefixIdentFormatter(0,0xFFFFF),
-            "Format: PPP-IIII = Prefix (0-127), Ident (1-8191)"));
+                new PrefixIdentFormatter(0,0xFFFFF), new PrefixIdentFormatter(0,0xFFFFF),
+                "Format: PPP-IIII = Prefix (0-127), Ident (1-8191)"));
         details.add(new TalkgroupDetail(Protocol.PASSPORT, IntegerFormat.DECIMAL, new IntegerFormatter(0,0xFFFF),
-            new IntegerFormatter(0,0xFFFF), "Format: 0 - 65535"));
+                new IntegerFormatter(0,0xFFFF), "Format: 0 - 65535"));
         details.add(new TalkgroupDetail(Protocol.PASSPORT, IntegerFormat.HEXADECIMAL, new HexFormatter(0,0xFFFF),
-            new HexFormatter(0,0xFFFF), "Format: 0 - FFFF"));
+                new HexFormatter(0,0xFFFF), "Format: 0 - FFFF"));
         details.add(new TalkgroupDetail(Protocol.UNKNOWN, IntegerFormat.DECIMAL, new IntegerFormatter(0,16777215),
-            new IntegerFormatter(0,16777215), "Format: 0 - FFFFFF"));
+                new IntegerFormatter(0,16777215), "Format: 0 - 16777215"));
         details.add(new TalkgroupDetail(Protocol.UNKNOWN, IntegerFormat.FORMATTED, new IntegerFormatter(0,16777215),
-            new IntegerFormatter(0,16777215), "Format: 0 - FFFFFF"));
+                new IntegerFormatter(0,16777215), "Format: 0 - FFFFFF"));
         details.add(new TalkgroupDetail(Protocol.UNKNOWN, IntegerFormat.HEXADECIMAL, new HexFormatter(0,16777215),
-            new HexFormatter(0,16777215), "Format: 0 - FFFFFF"));
+                new HexFormatter(0,16777215), "Format: 0 - FFFFFF"));
+        details.add(new TalkgroupDetail(Protocol.DMR, IntegerFormat.DECIMAL, new IntegerFormatter(1,16777215),
+                new IntegerFormatter(1,16777215), "Format: 1 - 16777215"));
+        details.add(new TalkgroupDetail(Protocol.DMR, IntegerFormat.HEXADECIMAL, new HexFormatter(1,0XFFFFFF),
+                new HexFormatter(1, 0xFFFFFF), "Format: 0 - FFFFFF"));
 
         return details;
     }

src/main/java/io/github/dsheirer/gui/playlist/channel/DMRConfigurationEditor.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -38,6 +38,8 @@ import io.github.dsheirer.record.RecorderType;
 import io.github.dsheirer.record.config.RecordConfiguration;
 import io.github.dsheirer.source.config.SourceConfiguration;
 import io.github.dsheirer.source.tuner.manager.TunerManager;
+import java.util.ArrayList;
+import java.util.List;
 import javafx.beans.property.SimpleStringProperty;
 import javafx.beans.property.StringProperty;
 import javafx.beans.value.ChangeListener;
@@ -65,9 +67,6 @@ import org.controlsfx.control.ToggleSwitch;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.ArrayList;
-import java.util.List;
-
 /**
  * DMR channel configuration editor
  */
@@ -83,6 +82,7 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
     private RecordConfigurationEditor mRecordConfigurationEditor;
     private ToggleSwitch mIgnoreDataCallsButton;
     private ToggleSwitch mIgnoreCRCChecksumsButton;
+    private ToggleSwitch mUseCompressedTalkgroupsToggle;
     private Spinner<Integer> mTrafficChannelPoolSizeSpinner;
     private TableView<TimeslotFrequency> mTimeslotFrequencyTable;
     private IntegerTextField mLogicalSlotNumberField;
@@ -164,6 +164,14 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
             GridPane.setConstraints(ignoreCRCLabel, 5, row);
             gridPane.getChildren().add(ignoreCRCLabel);
 
+            GridPane.setConstraints(getUseCompressedTalkgroupsToggle(), 6, row);
+            gridPane.getChildren().add(getUseCompressedTalkgroupsToggle());
+
+            Label useCompressedTalkgroupsLabel = new Label("Use Compressed Talkgroups");
+            GridPane.setHalignment(useCompressedTalkgroupsLabel, HPos.LEFT);
+            GridPane.setConstraints(useCompressedTalkgroupsLabel, 7, row);
+            gridPane.getChildren().add(useCompressedTalkgroupsLabel);
+
             Label timeslotTableLabel = new Label("Logical Slot Number (LSN) to Frequency Map. Required for: Connect Plus and Tier-III systems that don't use absolute frequencies");
             GridPane.setHalignment(timeslotTableLabel, HPos.LEFT);
             GridPane.setConstraints(timeslotTableLabel, 0, ++row, 6, 1);
@@ -512,6 +520,24 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
         return mIgnoreCRCChecksumsButton;
     }
 
+    /**
+     * Use compressed talkgroups toggle switch.  Let's the user select to turn on compressed talkgroups for Hytera
+     * Tier-III systems.
+     * @return toggle.
+     */
+    private ToggleSwitch getUseCompressedTalkgroupsToggle()
+    {
+        if(mUseCompressedTalkgroupsToggle == null)
+        {
+            mUseCompressedTalkgroupsToggle = new ToggleSwitch();
+            mUseCompressedTalkgroupsToggle.setTooltip(new Tooltip("Use Compressed Talkgroups.  This is only for Hytera Tier-III Trunked Systems"));
+            mUseCompressedTalkgroupsToggle.setDisable(true);
+            mUseCompressedTalkgroupsToggle.selectedProperty().addListener((observable, oldValue, newValue) -> modifiedProperty().set(true));
+        }
+
+        return mUseCompressedTalkgroupsToggle;
+    }
+
     private Spinner<Integer> getTrafficChannelPoolSizeSpinner()
     {
         if(mTrafficChannelPoolSizeSpinner == null)
@@ -578,6 +604,7 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
     {
         getIgnoreCRCChecksumsButton().setDisable(config == null);
         getIgnoreDataCallsButton().setDisable(config == null);
+        getUseCompressedTalkgroupsToggle().setDisable(config == null);
         getTrafficChannelPoolSizeSpinner().setDisable(config == null);
         getTimeslotTable().getItems().clear();
         getTimeslotTable().setDisable(config == null);
@@ -597,6 +624,7 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
 
             getIgnoreDataCallsButton().setSelected(decodeConfig.getIgnoreDataCalls());
             getIgnoreCRCChecksumsButton().setSelected(decodeConfig.getIgnoreCRCChecksums());
+            getUseCompressedTalkgroupsToggle().setSelected(decodeConfig.isUseCompressedTalkgroups());
             getTrafficChannelPoolSizeSpinner().getValueFactory().setValue(decodeConfig.getTrafficChannelPoolSize());
 
             for(TimeslotFrequency timeslotFrequency: decodeConfig.getTimeslotMap())
@@ -608,6 +636,7 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
         {
             getIgnoreCRCChecksumsButton().setSelected(false);
             getIgnoreDataCallsButton().setSelected(false);
+            getUseCompressedTalkgroupsToggle().setSelected(false);
             getTrafficChannelPoolSizeSpinner().getValueFactory().setValue(0);
             getChannelRotationDelaySpinner().getValueFactory().setValue(200);
         }
@@ -630,6 +659,7 @@ public class DMRConfigurationEditor extends ChannelConfigurationEditor
         config.setIgnoreCRCChecksums(getIgnoreCRCChecksumsButton().isSelected());
         config.setIgnoreDataCalls(getIgnoreDataCallsButton().isSelected());
         config.setTrafficChannelPoolSize(getTrafficChannelPoolSizeSpinner().getValue());
+        config.setUseCompressedTalkgroups(getUseCompressedTalkgroupsToggle().isSelected());
         config.setTimeslotMap(new ArrayList<>(getTimeslotTable().getItems()));
         getItem().setDecodeConfiguration(config);
     }

src/main/java/io/github/dsheirer/gui/playlist/radioreference/SystemEditor.java

@@ -34,6 +34,11 @@ import io.github.dsheirer.rrapi.type.Type;
 import io.github.dsheirer.rrapi.type.Voice;
 import io.github.dsheirer.service.radioreference.RadioReference;
 import io.github.dsheirer.util.ThreadPool;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Map;
 import javafx.application.Platform;
 import javafx.beans.binding.Bindings;
 import javafx.beans.property.IntegerProperty;
@@ -55,12 +60,6 @@ import jiconfont.javafx.IconNode;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-import java.util.Map;
-
 /**
  * Radio Reference editor for trunked radio systems
  */
@@ -293,7 +292,13 @@ public class SystemEditor extends VBox
                     List<EnrichedSite> enrichedSites = new ArrayList<>();
                     for(Site site: sites)
                     {
-                        CountyInfo countyInfo = mRadioReference.getService().getCountyInfo(site.getCountyId());
+                        CountyInfo countyInfo = null;
+
+                        if(site.getCountyId() > 0)
+                        {
+                            countyInfo = mRadioReference.getService().getCountyInfo(site.getCountyId());
+                        }
+
                         enrichedSites.add(new EnrichedSite(site, countyInfo));
                     }
 

src/main/java/io/github/dsheirer/gui/power/ChannelPowerPanel.java

@@ -1,12 +1,52 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
 package io.github.dsheirer.gui.power;
 
 import io.github.dsheirer.controller.channel.Channel;
+import io.github.dsheirer.dsp.filter.channelizer.PolyphaseChannelSource;
 import io.github.dsheirer.dsp.squelch.ISquelchConfiguration;
 import io.github.dsheirer.gui.control.DbPowerMeter;
 import io.github.dsheirer.module.ProcessingChain;
 import io.github.dsheirer.playlist.PlaylistManager;
 import io.github.dsheirer.sample.Listener;
+import io.github.dsheirer.sample.complex.ComplexSamplesToNativeBufferModule;
+import io.github.dsheirer.settings.SettingsManager;
+import io.github.dsheirer.source.Source;
 import io.github.dsheirer.source.SourceEvent;
+import io.github.dsheirer.source.tuner.channel.HalfBandTunerChannelSource;
+import io.github.dsheirer.source.tuner.channel.TunerChannel;
+import io.github.dsheirer.source.tuner.channel.TunerChannelSource;
+import io.github.dsheirer.spectrum.ComplexDftProcessor;
+import io.github.dsheirer.spectrum.FrequencyOverlayPanel;
+import io.github.dsheirer.spectrum.SpectrumPanel;
+import io.github.dsheirer.spectrum.converter.ComplexDecibelConverter;
+import io.github.dsheirer.spectrum.converter.DFTResultsConverter;
+import java.awt.Component;
+import java.awt.EventQueue;
+import java.awt.event.ComponentEvent;
+import java.awt.event.ComponentListener;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseWheelEvent;
+import java.text.DecimalFormat;
+import java.text.NumberFormat;
+import java.util.List;
 import jiconfont.icons.font_awesome.FontAwesome;
 import jiconfont.swing.IconFontSwing;
 import net.miginfocom.swing.MigLayout;
@@ -16,9 +56,12 @@ import org.slf4j.LoggerFactory;
 import javax.swing.Icon;
 import javax.swing.JButton;
 import javax.swing.JLabel;
+import javax.swing.JLayeredPane;
 import javax.swing.JPanel;
-import java.awt.EventQueue;
-import java.text.DecimalFormat;
+import javax.swing.JSeparator;
+import javax.swing.JSpinner;
+import javax.swing.SpinnerNumberModel;
+import javax.swing.event.MouseInputAdapter;
 
 /**
  * Display for channel power and squelch details
@@ -27,28 +70,42 @@ public class ChannelPowerPanel extends JPanel implements Listener<ProcessingChai
 {
     private static final Logger mLog = LoggerFactory.getLogger(ChannelPowerPanel.class);
     private static final DecimalFormat DECIMAL_FORMAT = new DecimalFormat("0.0");
+    private static final DecimalFormat FREQUENCY_FORMAT = new DecimalFormat("0.00000");
     private static final String NOT_AVAILABLE = "Not Available";
     private PlaylistManager mPlaylistManager;
     private ProcessingChain mProcessingChain;
+    private ComplexSamplesToNativeBufferModule mSampleStreamTapModule = new ComplexSamplesToNativeBufferModule();
+    private ComplexDftProcessor mComplexDftProcessor = new ComplexDftProcessor();
+    private DFTResultsConverter mDFTResultsConverter = new ComplexDecibelConverter();
+    private JLayeredPane mLayeredPanel;
+    private SpectrumPanel mSpectrumPanel;
+    private FrequencyOverlayPanel mFrequencyOverlayPanel;
     private DbPowerMeter mPowerMeter = new DbPowerMeter();
     private PeakMonitor mPeakMonitor = new PeakMonitor(DbPowerMeter.DEFAULT_MINIMUM_POWER);
     private SourceEventProcessor mSourceEventProcessor = new SourceEventProcessor();
+    private SpinnerNumberModel mNoiseFloorSpinnerModel;
+    private JSpinner mNoiseFloorSpinner;
     private JLabel mPowerLabel;
     private JLabel mPeakLabel;
     private JLabel mSquelchLabel;
     private JLabel mSquelchValueLabel;
+    private JLabel mPllFrequencyLabel;
+    private JLabel mPllFrequencyValueLabel;
     private JButton mSquelchUpButton;
     private JButton mSquelchDownButton;
+    private JButton mLogIndexesButton;
     private double mSquelchThreshold;
+    private boolean mPanelVisible = false;
+    private boolean mDftProcessing = false;
 
     /**
      * Constructs an instance.
      */
-    public ChannelPowerPanel(PlaylistManager playlistManager)
+    public ChannelPowerPanel(PlaylistManager playlistManager, SettingsManager settingsManager)
     {
         mPlaylistManager = playlistManager;
 
-        setLayout(new MigLayout("", "[][grow,fill]", "[grow,fill]"));
+        setLayout(new MigLayout("", "[][][][grow,fill]", "[grow,fill]"));
         mPowerMeter.setPeakVisible(true);
         mPowerMeter.setSquelchThresholdVisible(true);
         add(mPowerMeter);
@@ -85,6 +142,184 @@ public class ChannelPowerPanel extends JPanel implements Listener<ProcessingChai
         valuePanel.add(mSquelchDownButton);
 
         add(valuePanel);
+        add(new JSeparator(JSeparator.VERTICAL));
+
+        JPanel fftPanel = new JPanel();
+        fftPanel.setLayout(new MigLayout("insets 0", "[grow,fill]", "[][grow,fill]"));
+
+        JPanel labelPanel = new JPanel();
+        labelPanel.setLayout(new MigLayout("insets 0", "[grow,fill][right][grow,fill][right][grow,fill][]", ""));
+        labelPanel.add(new JLabel("Channel Spectrum"));
+
+        mPllFrequencyLabel = new JLabel("PLL:");
+        mPllFrequencyLabel.setEnabled(false);
+        labelPanel.add(mPllFrequencyLabel);
+        mPllFrequencyValueLabel = new JLabel("0 Hz");
+        mPllFrequencyValueLabel.setEnabled(false);
+        labelPanel.add(mPllFrequencyValueLabel);
+
+        mNoiseFloorSpinnerModel = new SpinnerNumberModel(18, 8, 36, 1);
+        mNoiseFloorSpinnerModel.addChangeListener(e -> {
+            Number number = mNoiseFloorSpinnerModel.getNumber();
+            mSpectrumPanel.setSampleSize(number.doubleValue());
+        });
+        mNoiseFloorSpinner = new JSpinner(mNoiseFloorSpinnerModel);
+        labelPanel.add(mNoiseFloorSpinner);
+        labelPanel.add(new JLabel("Noise Floor"));
+
+        mLogIndexesButton = new JButton("Log Settings");
+        mLogIndexesButton.addActionListener(e -> {
+            if(mProcessingChain != null)
+            {
+                Source source = mProcessingChain.getSource();
+
+                if(source instanceof PolyphaseChannelSource pcs)
+                {
+                    List<Integer> indexes = pcs.getOutputProcessorIndexes();
+                    double sampleRate = pcs.getSampleRate();
+                    long indexCenterFrequency = pcs.getIndexCenterFrequency();
+                    long appliedFrequencyOffset = pcs.getFrequencyOffset();
+                    long requestedCenterFrequency = pcs.getFrequency();
+
+                    StringBuilder sb = new StringBuilder();
+                    sb.append("Polyphase Channel - BW: ").append(FREQUENCY_FORMAT.format(sampleRate / 1E6d));
+                    sb.append(" Center/Requested/Mixer: ").append(FREQUENCY_FORMAT.format(indexCenterFrequency / 1E6d));
+                    sb.append("/").append(FREQUENCY_FORMAT.format(requestedCenterFrequency / 1E6d));
+                    sb.append("/").append(FREQUENCY_FORMAT.format(appliedFrequencyOffset / 1E6d));
+                    sb.append(" Polyphase Indexes: ").append(indexes);
+                    sb.append(" Tuner SR:").append(FREQUENCY_FORMAT.format(pcs.getTunerSampleRate() / 1E6d));
+                    sb.append(" CF:").append(FREQUENCY_FORMAT.format(pcs.getTunerCenterFrequency() / 1E6d));
+                    mLog.info(sb.toString());
+                    mLog.info("Output Processor: " + pcs.getStateDescription());
+                }
+                else if(source instanceof HalfBandTunerChannelSource<?> hbtcs)
+                {
+                    StringBuilder sb = new StringBuilder();
+                    sb.append("Heterodyne Channel - CF:").append(FREQUENCY_FORMAT.format(hbtcs.getFrequency() / 1E6d));
+                    sb.append(" SR:").append(FREQUENCY_FORMAT.format(hbtcs.getSampleRate() / 1E6d));
+                    sb.append(" Mixer:").append(FREQUENCY_FORMAT.format(hbtcs.getMixerFrequency() / 1E6d));
+                    mLog.info(sb.toString());
+                }
+                else
+                {
+                    mLog.info("Unsupported channel type: " + (source != null ? source.getClass() : " null"));
+                }
+            }
+        });
+        labelPanel.add(mLogIndexesButton);
+
+        fftPanel.add(labelPanel, "wrap");
+
+        mFrequencyOverlayPanel = new FrequencyOverlayPanel(settingsManager);
+
+        mSpectrumPanel = new SpectrumPanel(settingsManager);
+        mSpectrumPanel.setSampleSize(18.0);
+
+        /**
+         * The layered pane holds the overlapping spectrum and channel panels
+         * and manages the sizing of each panel with the resize listener
+         */
+        mLayeredPanel = new JLayeredPane();
+        mLayeredPanel.addComponentListener(new ResizeListener());
+
+        /**
+         * Create a mouse adapter to handle mouse events over the spectrum
+         * and waterfall panels
+         */
+        MouseEventProcessor mouser = new MouseEventProcessor();
+
+        mFrequencyOverlayPanel.addMouseListener(mouser);
+        mFrequencyOverlayPanel.addMouseMotionListener(mouser);
+        mFrequencyOverlayPanel.addMouseWheelListener(mouser);
+
+        //Add the spectrum and channel panels to the layered panel
+        mLayeredPanel.add(mSpectrumPanel, 0, 0);
+        mLayeredPanel.add(mFrequencyOverlayPanel, 1, 0);
+
+        fftPanel.add(mLayeredPanel);
+        add(fftPanel);
+
+        mSampleStreamTapModule.setListener(mComplexDftProcessor);
+        mComplexDftProcessor.addConverter(mDFTResultsConverter);
+        mDFTResultsConverter.addListener(mSpectrumPanel);
+        mSpectrumPanel.clearSpectrum();
+    }
+
+    /**
+     * Signals this panel to indicate if this panel is visible to turn on the FFT processor when the panel is visible
+     * and turn off the FFT processor when it's not.
+     *
+     * Note: this method is intended to be called by the Swing event thread to ensure that only a single thread is
+     * invoking either this method, or the receive() method, since there is no thread synchronization between these
+     * two methods and they each depend on stable access to the mPanelVisible variable.
+     *
+     * @param visible true to indicate that this panel is showing/visible.
+     */
+    public void setPanelVisible(boolean visible)
+    {
+        mPanelVisible = visible;
+        updateFFTProcessing();
+    }
+
+    /**
+     * Updates processing state for the DFT processor.  Turns on DFT processing when we have a processing chain and
+     * when the user has this tab selected and visible.  Otherwise, turns off DFT processing.
+     */
+    private void updateFFTProcessing()
+    {
+        if(mPanelVisible && mProcessingChain != null)
+        {
+            startDftProcessing();
+        }
+        else
+        {
+            stopDftProcessing();
+        }
+    }
+
+    /**
+     * Starts DFT processing
+     */
+    private void startDftProcessing()
+    {
+        if(!mDftProcessing)
+        {
+            mDftProcessing = true;
+            mSampleStreamTapModule.setListener(mComplexDftProcessor);
+            mComplexDftProcessor.start();
+        }
+    }
+
+    /**
+     * Stops DFT processing
+     */
+    private void stopDftProcessing()
+    {
+        if(mDftProcessing)
+        {
+            mSampleStreamTapModule.removeListener();
+            mComplexDftProcessor.stop();
+            mSpectrumPanel.clearSpectrum();
+            mDftProcessing = false;
+        }
+    }
+
+    /**
+     * Updates the decoder's PLL frequency on the swing dispatch thread
+     * @param trackingFrequency that is currently measured.
+     */
+    private void updatePllFrequency(long trackingFrequency)
+    {
+        //Note: we flip the sign on the error measurement because the value represents the amount of offset the PLL
+        //has to apply to move the signal to center/baseband
+        EventQueue.invokeLater(() -> {
+            String formattedValue = NumberFormat.getInstance().format(-trackingFrequency);
+            mPllFrequencyValueLabel.setText(formattedValue + " Hz");
+            mPllFrequencyValueLabel.setEnabled(true);
+            mPllFrequencyLabel.setEnabled(true);
+        });
+
+        mFrequencyOverlayPanel.setPllTrackingFrequency(trackingFrequency);
     }
 
     /**
@@ -124,6 +359,13 @@ public class ChannelPowerPanel extends JPanel implements Listener<ProcessingChai
 
         mPeakLabel.setText("0");
         mPowerLabel.setText("0");
+        mPllFrequencyLabel.setEnabled(false);
+        mPllFrequencyValueLabel.setText("0 Hz");
+        mPllFrequencyValueLabel.setEnabled(false);
+        mFrequencyOverlayPanel.process(SourceEvent.frequencyChange(null, 0));
+        mFrequencyOverlayPanel.process(SourceEvent.sampleRateChange(0));
+        mFrequencyOverlayPanel.setPllTrackingFrequency(0);
+        mFrequencyOverlayPanel.setChannelBandwidth(0);
 
         mSquelchLabel.setEnabled(false);
         mSquelchValueLabel.setText("Not Available");
@@ -138,9 +380,11 @@ public class ChannelPowerPanel extends JPanel implements Listener<ProcessingChai
     @Override
     public void receive(ProcessingChain processingChain)
     {
+        //Disconnect the FFT panel
         if(mProcessingChain != null)
         {
             mProcessingChain.removeSourceEventListener(mSourceEventProcessor);
+            mProcessingChain.removeModule(mSampleStreamTapModule);
         }
 
         //Invoking reset - we're on the Swing dispatch thread here
@@ -151,11 +395,35 @@ public class ChannelPowerPanel extends JPanel implements Listener<ProcessingChai
         if(mProcessingChain != null)
         {
             mProcessingChain.addSourceEventListener(mSourceEventProcessor);
+            mProcessingChain.addModule(mSampleStreamTapModule);
+
+            Source source = mProcessingChain.getSource();
+
+            if(source instanceof TunerChannelSource tcs)
+            {
+                mFrequencyOverlayPanel.process(SourceEvent.frequencyChange(null, tcs.getFrequency()));
+                mFrequencyOverlayPanel.process(SourceEvent.sampleRateChange(tcs.getSampleRate()));
+            }
+
+            Channel channel = mPlaylistManager.getChannelProcessingManager().getChannel(mProcessingChain);
+
+            if(channel != null)
+            {
+                TunerChannel tunerChannel = channel.getTunerChannel();
+
+                if(tunerChannel != null)
+                {
+                    mFrequencyOverlayPanel.setChannelBandwidth(tunerChannel.getBandwidth());
+                }
+            }
         }
 
+        updateFFTProcessing();
+
         broadcast(SourceEvent.requestCurrentSquelchThreshold(null));
     }
 
+
     /**
      * Processor for source event stream to capture power level and squelch related source events.
      */
@@ -171,17 +439,12 @@ public class ChannelPowerPanel extends JPanel implements Listener<ProcessingChai
                         final double power = sourceEvent.getValue().doubleValue();
                         final double peak = mPeakMonitor.process(power);
 
-                        EventQueue.invokeLater(new Runnable()
-                        {
-                            @Override
-                            public void run()
-                            {
-                                mPowerMeter.setPower(power);
-                                mPowerLabel.setText(DECIMAL_FORMAT.format(power));
+                        EventQueue.invokeLater(() -> {
+                            mPowerMeter.setPower(power);
+                            mPowerLabel.setText(DECIMAL_FORMAT.format(power));
 
-                                mPowerMeter.setPeak(peak);
-                                mPeakLabel.setText(DECIMAL_FORMAT.format(peak));
-                            }
+                            mPowerMeter.setPeak(peak);
+                            mPeakLabel.setText(DECIMAL_FORMAT.format(peak));
                         });
 
                     }
@@ -205,7 +468,70 @@ public class ChannelPowerPanel extends JPanel implements Listener<ProcessingChai
                                 }
                             });
                         }
+                case NOTIFICATION_PLL_FREQUENCY ->
+                {
+                    if(sourceEvent.hasValue())
+                    {
+                        updatePllFrequency(sourceEvent.getValue().longValue());
+                    }
+                }
             }
         }
     }
+
+    /**
+     * Monitors the sizing of the layered pane and resizes the spectrum and
+     * channel panels whenever the layered pane is resized
+     */
+    public class ResizeListener implements ComponentListener
+    {
+        @Override public void componentResized(ComponentEvent e)
+        {
+            Component c = e.getComponent();
+
+            mSpectrumPanel.setBounds(0, 0, c.getWidth(), c.getHeight());
+            mFrequencyOverlayPanel.setBounds(0, 0, c.getWidth(), c.getHeight());
+        }
+
+        @Override public void componentHidden(ComponentEvent arg0) {}
+        @Override public void componentMoved(ComponentEvent arg0) {}
+        @Override public void componentShown(ComponentEvent arg0) {}
+    }
+
+    /**
+     * Mouse event handler for the spectral display panel.
+     */
+    public class MouseEventProcessor extends MouseInputAdapter
+    {
+        public MouseEventProcessor()
+        {
+        }
+
+        @Override public void mouseWheelMoved(MouseWheelEvent e) {}
+        @Override public void mouseMoved(MouseEvent event)
+        {
+            update(event);
+        }
+        @Override public void mouseDragged(MouseEvent event) {}
+        @Override public void mousePressed(MouseEvent e) {}
+        @Override public void mouseClicked(MouseEvent event) {}
+
+        /**
+         * Updates the cursor display while the mouse is performing actions
+         */
+        private void update(MouseEvent event)
+        {
+            mFrequencyOverlayPanel.setCursorLocation(event.getPoint());
+        }
+
+        @Override public void mouseEntered(MouseEvent e)
+        {
+            mFrequencyOverlayPanel.setCursorVisible(true);
+        }
+
+        @Override public void mouseExited(MouseEvent e)
+        {
+            mFrequencyOverlayPanel.setCursorVisible(false);
+        }
+    }
 }

src/main/java/io/github/dsheirer/gui/preference/mp3/MP3PreferenceEditor.java

@@ -25,6 +25,7 @@ import io.github.dsheirer.preference.UserPreferences;
 import io.github.dsheirer.preference.mp3.MP3Preference;
 import javafx.geometry.HPos;
 import javafx.geometry.Insets;
+import javafx.scene.control.Alert;
 import javafx.scene.control.CheckBox;
 import javafx.scene.control.ComboBox;
 import javafx.scene.control.Label;
@@ -99,12 +100,47 @@ public class MP3PreferenceEditor extends HBox
             mMP3SettingComboBox.getItems().addAll(MP3Setting.values());
             mMP3SettingComboBox.getSelectionModel().select(mMP3Preference.getMP3Setting());
             mMP3SettingComboBox.getSelectionModel().selectedItemProperty()
-                    .addListener((observable, oldValue, newValue) -> mMP3Preference.setMP3Setting(newValue));
+                    .addListener((observable, oldValue, newValue) -> {
+                        mMP3Preference.setMP3Setting(newValue);
+                        updateAudioSampleRateComboBox();
+                    });
         }
 
         return mMP3SettingComboBox;
     }
 
+    /**
+     * Updates the input sample rate combo box values and alerts the user whenever we auto-change an input sample rate
+     * due to a change in the MP3 setting value.
+     */
+    private void updateAudioSampleRateComboBox()
+    {
+        InputAudioFormat currentSelection = getAudioSampleRateComboBox().getSelectionModel().getSelectedItem();
+        MP3Setting setting = getMP3SettingComboBox().getSelectionModel().getSelectedItem();
+
+        getAudioSampleRateComboBox().getItems().clear();
+        getAudioSampleRateComboBox().getItems().addAll(setting.getSupportedSampleRates());
+
+        if(currentSelection != null && getAudioSampleRateComboBox().getItems().contains(currentSelection))
+        {
+            getAudioSampleRateComboBox().getSelectionModel().select(currentSelection);
+        }
+        else
+        {
+            getAudioSampleRateComboBox().getSelectionModel().select(InputAudioFormat.getDefault());
+
+            Alert alert = new Alert(Alert.AlertType.INFORMATION);
+            alert.setTitle("Sample Rate Updated");
+            alert.setHeaderText("Input Sample Rate Updated");
+
+            Label wrappingLabel = new Label("Previous input sample rate [" + currentSelection +
+                    "] is not supported with encoder setting [" + setting + "].  Sample rate updated to default.");
+            wrappingLabel.setWrapText(true);
+            alert.getDialogPane().setContent(wrappingLabel);
+            alert.show();
+        }
+    }
+
     private ComboBox<InputAudioFormat> getAudioSampleRateComboBox()
     {
         if(mAudioSampleRateComboBox == null)
@@ -113,7 +149,12 @@ public class MP3PreferenceEditor extends HBox
             mAudioSampleRateComboBox.getItems().addAll(InputAudioFormat.values());
             mAudioSampleRateComboBox.getSelectionModel().select(mMP3Preference.getAudioSampleRate());
             mAudioSampleRateComboBox.getSelectionModel().selectedItemProperty()
-                    .addListener((observable, oldValue, newValue) -> mMP3Preference.setAudioSampleRate(newValue));
+                    .addListener((observable, oldValue, newValue) -> {
+                        if(newValue != null)
+                        {
+                            mMP3Preference.setAudioSampleRate(newValue);
+                        }
+                    });
         }
 
         return mAudioSampleRateComboBox;

src/main/java/io/github/dsheirer/icon/IconModel.java

@@ -1,18 +1,20 @@
 /*
- * *********************************************************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2017 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2022 Dennis Sheirer
  *
- * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
- * License as published by  the Free Software Foundation, either version 3 of the License, or  (at your option) any
- * later version.
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
- * This program is distributed in the hope that it will be useful,  but WITHOUT ANY WARRANTY; without even the implied
- * warranty of  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License  along with this program.
- * If not, see <http://www.gnu.org/licenses/>
- * *********************************************************************************************************************
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 package io.github.dsheirer.icon;
 
@@ -22,15 +24,6 @@ import com.fasterxml.jackson.dataformat.xml.JacksonXmlModule;
 import com.fasterxml.jackson.dataformat.xml.XmlMapper;
 import io.github.dsheirer.properties.SystemProperties;
 import io.github.dsheirer.util.ThreadPool;
-import javafx.beans.property.SimpleStringProperty;
-import javafx.beans.property.StringProperty;
-import javafx.collections.FXCollections;
-import javafx.collections.ListChangeListener;
-import javafx.collections.ObservableList;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.swing.ImageIcon;
 import java.awt.Image;
 import java.io.IOException;
 import java.io.InputStream;
@@ -43,6 +36,15 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
+import javafx.beans.property.SimpleStringProperty;
+import javafx.beans.property.StringProperty;
+import javafx.collections.FXCollections;
+import javafx.collections.ListChangeListener;
+import javafx.collections.ObservableList;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.swing.ImageIcon;
 
 public class IconModel
 {
@@ -241,7 +243,6 @@ public class IconModel
         if(path != null)
         {
             Icon icon = new Icon("", path);
-
             return getScaledIcon(icon.getIcon(), height);
         }
 

src/main/java/io/github/dsheirer/identifier/Form.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -53,6 +53,7 @@ public enum Form
     SITE,
     STATE,
     SYSTEM,
+    TALKER_ALIAS,
     TALKGROUP,
     TELEPHONE_NUMBER,
     TONE,

src/main/java/io/github/dsheirer/identifier/Identifier.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -19,7 +19,6 @@
 package io.github.dsheirer.identifier;
 
 import io.github.dsheirer.protocol.Protocol;
-
 import java.util.Objects;
 
 /**
@@ -70,6 +69,15 @@ public abstract class Identifier<T>
         return mValue;
     }
 
+    /**
+     * Allow subclass implementations to set or update the value after construction.
+     * @param value to update or set.
+     */
+    protected void setValue(T value)
+    {
+        mValue = value;
+    }
+
     /**
      * Class/type of identifier
      */

src/main/java/io/github/dsheirer/identifier/alias/DmrTalkerAliasIdentifier.java

@@ -0,0 +1,54 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.identifier.alias;
+
+import io.github.dsheirer.protocol.Protocol;
+
+/**
+ * Talker alias value provided by the network for the current talker (ie FROM).
+ */
+public class DmrTalkerAliasIdentifier extends TalkerAliasIdentifier
+{
+    /**
+     * Constructs an instance.
+     * @param value of the talker alias
+     */
+    public DmrTalkerAliasIdentifier(String value)
+    {
+        super(value);
+    }
+
+    @Override
+    public boolean isValid()
+    {
+        return getValue() != null && !getValue().isEmpty();
+    }
+
+    @Override
+    public Protocol getProtocol()
+    {
+        return Protocol.DMR;
+    }
+
+    public static DmrTalkerAliasIdentifier create(String value)
+    {
+        return new DmrTalkerAliasIdentifier(value);
+    }
+}

src/main/java/io/github/dsheirer/identifier/alias/TalkerAliasIdentifier.java

@@ -0,0 +1,46 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.identifier.alias;
+
+import io.github.dsheirer.identifier.Form;
+import io.github.dsheirer.identifier.IdentifierClass;
+import io.github.dsheirer.identifier.Role;
+import io.github.dsheirer.identifier.string.StringIdentifier;
+
+/**
+ * Talker alias value provided by the network for the current talker (ie FROM).
+ */
+public abstract class TalkerAliasIdentifier extends StringIdentifier
+{
+    /**
+     * Constructs an instance.
+     * @param value of the string/alias identifier
+     */
+    public TalkerAliasIdentifier(String value)
+    {
+        super(value, IdentifierClass.USER, Form.TALKER_ALIAS, Role.FROM);
+    }
+
+    @Override
+    public boolean isValid()
+    {
+        return getValue() != null && !getValue().isEmpty();
+    }
+}

src/main/java/io/github/dsheirer/module/ProcessingChain.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -72,14 +72,15 @@ import io.github.dsheirer.source.SourceEvent;
 import io.github.dsheirer.source.heartbeat.Heartbeat;
 import io.github.dsheirer.source.heartbeat.IHeartbeatListener;
 import io.github.dsheirer.source.heartbeat.IHeartbeatProvider;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.locks.ReentrantLock;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Processing chain provides a framework for connecting a complex or real sample
@@ -116,12 +117,15 @@ public class ProcessingChain implements Listener<ChannelEvent>
     private Broadcaster<IMessage> mMessageBroadcaster = new Broadcaster<>();
     private Broadcaster<SquelchStateEvent> mSquelchStateEventBroadcaster = new Broadcaster<>();
     private AtomicBoolean mRunning = new AtomicBoolean();
-    private List<Module> mModules = new ArrayList<>();
     private DecodeEventHistory mDecodeEventHistory = new DecodeEventHistory(500);
     private MessageHistory mMessageHistory = new MessageHistory(500);
     private AbstractChannelState mChannelState;
     private EventBus mEventBus;
     protected Source mSource;
+    //Lock to protect access to the modules list.
+    private ReentrantLock mModuleLock = new ReentrantLock();
+    private List<Module> mModules = new ArrayList<>();
+
 
     /**
      * Creates a processing chain for managing a set of modules
@@ -196,30 +200,46 @@ public class ProcessingChain implements Listener<ChannelEvent>
      */
     public void removeTrafficChannelManager()
     {
-        Iterator<Module> it = mModules.iterator();
+        mModuleLock.lock();
 
-        while(it.hasNext())
+        try
         {
-            if(it.next() instanceof TrafficChannelManager)
+            Iterator<Module> it = mModules.iterator();
+
+            while(it.hasNext())
             {
-                it.remove();
+                if(it.next() instanceof TrafficChannelManager)
+                {
+                    it.remove();
+                }
             }
         }
+        finally
+        {
+            mModuleLock.unlock();
+        }
     }
 
     public void dispose()
     {
         stop();
 
-        List<Module> modules = new ArrayList<>(mModules);
+        mModuleLock.lock();
 
-        for(Module module : modules)
+        try
         {
-            removeModule(module);
-            module.dispose();
-        }
+            List<Module> modulesToRemove = new ArrayList<>(mModules);
 
-        mModules.clear();
+            for(Module module : modulesToRemove)
+            {
+                removeModule(module);
+                module.dispose();
+            }
+        }
+        finally
+        {
+            mModuleLock.unlock();
+        }
 
         mAudioSegmentBroadcaster.dispose();
         mDecodeEventBroadcaster.dispose();
@@ -269,12 +289,21 @@ public class ProcessingChain implements Listener<ChannelEvent>
         addModule(mSource);
     }
 
+    /**
+     * Source of sample data for this channel.
+     * @return source, may be null.
+     */
+    public Source getSource()
+    {
+        return mSource;
+    }
+
     /**
      * List of current modules for this processing chain
      */
     public List<Module> getModules()
     {
-        return mModules;
+        return Collections.unmodifiableList(mModules);
     }
 
     /**
@@ -284,13 +313,22 @@ public class ProcessingChain implements Listener<ChannelEvent>
     {
         List<DecoderState> decoderStates = new ArrayList<>();
 
-        for(Module module : mModules)
+        mModuleLock.lock();
+
+        try
         {
-            if(module instanceof DecoderState)
+            for(Module module : mModules)
             {
-                decoderStates.add((DecoderState)module);
+                if(module instanceof DecoderState)
+                {
+                    decoderStates.add((DecoderState)module);
+                }
             }
         }
+        finally
+        {
+            mModuleLock.unlock();
+        }
 
         return decoderStates;
     }
@@ -322,7 +360,17 @@ public class ProcessingChain implements Listener<ChannelEvent>
      */
     public void addModule(Module module)
     {
-        mModules.add(module);
+        mModuleLock.lock();
+
+        try
+        {
+            mModules.add(module);
+        }
+        finally
+        {
+            mModuleLock.unlock();
+        }
+
         module.setInterModuleEventBus(getEventBus());
         registerListeners(module);
         registerProviders(module);
@@ -337,7 +385,17 @@ public class ProcessingChain implements Listener<ChannelEvent>
         unregisterListeners(module);
         unregisterProviders(module);
         module.setInterModuleEventBus(null);
-        mModules.remove(module);
+
+        mModuleLock.lock();
+
+        try
+        {
+            mModules.remove(module);
+        }
+        finally
+        {
+            mModuleLock.unlock();
+        }
     }
 
     /**
@@ -656,18 +714,27 @@ public class ProcessingChain implements Listener<ChannelEvent>
                             + "sample type - cannot start processing chain");
                 }
 
-                /* Start each of the modules */
-                for(Module module : mModules)
+                mModuleLock.lock();
+
+                try
                 {
-                    try
+                    /* Start each of the modules */
+                    for(Module module : mModules)
                     {
-                        module.start();
-                    }
-                    catch(Exception e)
-                    {
-                        mLog.error("Error starting module", e);
+                        try
+                        {
+                            module.start();
+                        }
+                        catch(Exception e)
+                        {
+                            mLog.error("Error starting module", e);
+                        }
                     }
                 }
+                finally
+                {
+                    mModuleLock.unlock();
+                }
             }
             else
             {
@@ -708,15 +775,28 @@ public class ProcessingChain implements Listener<ChannelEvent>
             }
 
             /* Stop each of the remaining modules */
-            for(Module module : mModules)
-            {
-                module.stop();
-            }
+            mModuleLock.lock();
 
-            //Reset each of the modules
-            for(Module module : mModules)
+            try
             {
-                module.reset();
+                for(Module module : mModules)
+                {
+                    module.stop();
+                }
+
+                //Reset each of the modules
+                for(Module module : mModules)
+                {
+                    module.reset();
+                }
+            }
+            catch(Exception e)
+            {
+                mLog.error("Error stopping or resetting modules", e);
+            }
+            finally
+            {
+                mModuleLock.unlock();
             }
         }
     }
@@ -728,13 +808,22 @@ public class ProcessingChain implements Listener<ChannelEvent>
     {
         List<Module> eventLoggingModules = new ArrayList<>();
 
-        for(Module module : mModules)
+        mModuleLock.lock();
+
+        try
         {
-            if(module instanceof EventLogger)
+            for(Module module : mModules)
             {
-                eventLoggingModules.add(module);
+                if(module instanceof EventLogger)
+                {
+                    eventLoggingModules.add(module);
+                }
             }
         }
+        finally
+        {
+            mModuleLock.unlock();
+        }
 
         for(Module eventLoggingModule : eventLoggingModules)
         {
@@ -749,21 +838,30 @@ public class ProcessingChain implements Listener<ChannelEvent>
     {
         List<Module> recordingModules = new ArrayList<>();
 
-        for(Module module : mModules)
+        mModuleLock.lock();
+
+        try
         {
-            if(module instanceof ComplexSamplesWaveRecorder)
+            for(Module module : mModules)
             {
-                recordingModules.add(module);
-            }
-            else if(module instanceof MBECallSequenceRecorder)
-            {
-                recordingModules.add(module);
-            }
-            else if(module instanceof BinaryRecorder)
-            {
-                recordingModules.add(module);
+                if(module instanceof ComplexSamplesWaveRecorder)
+                {
+                    recordingModules.add(module);
+                }
+                else if(module instanceof MBECallSequenceRecorder)
+                {
+                    recordingModules.add(module);
+                }
+                else if(module instanceof BinaryRecorder)
+                {
+                    recordingModules.add(module);
+                }
             }
         }
+        finally
+        {
+            mModuleLock.unlock();
+        }
 
         for(Module recordingModule : recordingModules)
         {

src/main/java/io/github/dsheirer/module/decode/dmr/DMRDecoderState.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -59,6 +59,7 @@ import io.github.dsheirer.module.decode.dmr.message.data.header.HeaderMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.LCMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.GPSInformation;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.GroupVoiceChannelUser;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.full.TalkerAliasComplete;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.UnitToUnitVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.hytera.HyteraGroupVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.hytera.HyteraUnitToUnitVoiceChannelUser;
@@ -66,6 +67,7 @@ import io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola.Capaci
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola.CapacityPlusWideAreaVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.shorty.CapacityPlusRestChannel;
 import io.github.dsheirer.module.decode.dmr.message.data.packet.DMRPacketMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.packet.UDTShortMessageService;
 import io.github.dsheirer.module.decode.dmr.message.data.terminator.Terminator;
 import io.github.dsheirer.module.decode.dmr.message.type.ServiceOptions;
 import io.github.dsheirer.module.decode.dmr.message.voice.VoiceMessage;
@@ -75,13 +77,12 @@ import io.github.dsheirer.module.decode.event.PlottableDecodeEvent;
 import io.github.dsheirer.protocol.Protocol;
 import io.github.dsheirer.source.tuner.channel.rotation.AddChannelRotationActiveStateRequest;
 import io.github.dsheirer.util.PacketUtil;
-import org.jdesktop.swingx.mapviewer.GeoPosition;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
+import org.jdesktop.swingx.mapviewer.GeoPosition;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Decoder state for an DMR channel.  Maintains the call/data/idle state of the channel and produces events by
@@ -207,6 +208,10 @@ public class DMRDecoderState extends TimeslotDecoderState
             {
                 processPacket((DMRPacketMessage)message);
             }
+            else if(message instanceof UDTShortMessageService sms)
+            {
+                processSMS(sms);
+            }
             else if(message instanceof DMRMessage)
             {
                 broadcast(new DecoderStateEvent(this, Event.CONTINUATION, State.ACTIVE, getTimeslot()));
@@ -269,6 +274,24 @@ public class DMRDecoderState extends TimeslotDecoderState
         }
     }
 
+    /**
+     * Processes a short data message carrying SMS text
+     * @param sms
+     */
+    private void processSMS(UDTShortMessageService sms)
+    {
+        broadcast(new DecoderStateEvent(this, Event.START, State.DATA, getTimeslot()));
+
+        DecodeEvent smsEvent = DMRDecodeEvent.builder(sms.getTimestamp())
+                .eventType(DecodeEventType.SMS)
+                .eventDescription(DecodeEventType.SMS.toString())
+                .details("MESSAGE: " + sms.getSMS())
+                .identifiers(new IdentifierCollection(sms.getIdentifiers()))
+                .timeslot(sms.getTimeslot())
+                .build();
+        broadcast(smsEvent);
+    }
+
     /**
      * Processes a packet message
      */
@@ -1127,6 +1150,12 @@ public class DMRDecoderState extends TimeslotDecoderState
                     broadcast(gpsEvent);
                 }
                 break;
+            case FULL_STANDARD_TALKER_ALIAS_COMPLETE:
+                if(message instanceof TalkerAliasComplete tac && tac.hasTalkerAliasIdentifier())
+                {
+                    getIdentifierCollection().update(tac.getTalkerAliasIdentifier());
+                }
+                break;
         }
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/DMRMessageProcessor.java

@@ -1,52 +1,56 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 package io.github.dsheirer.module.decode.dmr;
 
+import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.message.IMessage;
 import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
+import io.github.dsheirer.module.decode.dmr.identifier.DMRTalkgroup;
 import io.github.dsheirer.module.decode.dmr.message.CACH;
 import io.github.dsheirer.module.decode.dmr.message.DMRBurst;
+import io.github.dsheirer.module.decode.dmr.message.data.IDLEMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.block.DataBlock;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.Aloha;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.Preamble;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.announcement.Announcement;
 import io.github.dsheirer.module.decode.dmr.message.data.header.MBCHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.PacketSequenceHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.ProprietaryDataHeader;
+import io.github.dsheirer.module.decode.dmr.message.data.header.UDTHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.FLCAssembler;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.FullLCMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.full.TalkerAliasAssembler;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.shorty.SLCAssembler;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.shorty.ShortLCMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.mbc.MBCAssembler;
 import io.github.dsheirer.module.decode.dmr.message.data.mbc.MBCContinuationBlock;
 import io.github.dsheirer.module.decode.dmr.message.data.packet.PacketSequenceAssembler;
+import io.github.dsheirer.module.decode.dmr.message.data.terminator.Terminator;
 import io.github.dsheirer.module.decode.dmr.message.voice.VoiceEMBMessage;
 import io.github.dsheirer.sample.Listener;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.TreeMap;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Processes DMR messages and performs re-assembly of link control fragments
@@ -54,12 +58,13 @@ import java.util.TreeMap;
 public class DMRMessageProcessor implements Listener<IMessage>
 {
     private final static Logger mLog = LoggerFactory.getLogger(DMRMessageProcessor.class);
-
+    private DecodeConfigDMR mConfigDMR;
     private FLCAssembler mFLCAssemblerTimeslot1 = new FLCAssembler(1);
     private FLCAssembler mFLCAssemblerTimeslot2 = new FLCAssembler(2);
     private MBCAssembler mMBCAssembler = new MBCAssembler();
     private PacketSequenceAssembler mPacketSequenceAssembler;
     private SLCAssembler mSLCAssembler = new SLCAssembler();
+    private TalkerAliasAssembler mTalkerAliasAssembler = new TalkerAliasAssembler();
     private Listener<IMessage> mMessageListener;
     private Map<Integer,TimeslotFrequency> mTimeslotFrequencyMap = new TreeMap<>();
 
@@ -68,6 +73,8 @@ public class DMRMessageProcessor implements Listener<IMessage>
      */
     public DMRMessageProcessor(DecodeConfigDMR config)
     {
+        mConfigDMR = config;
+
         for(TimeslotFrequency timeslotFrequency: config.getTimeslotMap())
         {
             mTimeslotFrequencyMap.put(timeslotFrequency.getNumber(), timeslotFrequency);
@@ -157,22 +164,43 @@ public class DMRMessageProcessor implements Listener<IMessage>
             }
 
             //Packet Sequence Message Assembly ...
-            if(message instanceof Preamble)
+            if(message instanceof Preamble preamble)
             {
-                mPacketSequenceAssembler.process((Preamble)message);
+                mPacketSequenceAssembler.process(preamble);
             }
-            else if(message instanceof PacketSequenceHeader)
+            else if(message instanceof PacketSequenceHeader header)
             {
-                mPacketSequenceAssembler.process((PacketSequenceHeader)message);
+                mPacketSequenceAssembler.process(header);
             }
-            else if(message instanceof ProprietaryDataHeader)
+            else if(message instanceof ProprietaryDataHeader header)
             {
-                mPacketSequenceAssembler.process(((ProprietaryDataHeader)message));
+                mPacketSequenceAssembler.process(header);
             }
-            else if(message instanceof DataBlock)
+            else if(message instanceof DataBlock dataBlock)
             {
-                mPacketSequenceAssembler.process((DataBlock)message);
+                mPacketSequenceAssembler.process(dataBlock);
             }
+            else if(message instanceof UDTHeader header)
+            {
+                mPacketSequenceAssembler.process(header);
+            }
+            else if((message instanceof IDLEMessage || message instanceof Aloha || message instanceof Announcement) &&
+                    message.getTimeslot() != 0)
+            {
+                mPacketSequenceAssembler.dispatchPacketSequence(message.getTimeslot());
+            }
+
+            //Reset talker alias assembler on Idle or Terminator
+            if(message.isValid() && (message instanceof IDLEMessage || message instanceof Terminator))
+            {
+                mTalkerAliasAssembler.reset(message.getTimeslot());
+            }
+        }
+
+        //Assemble Talker Alias from FLC message fragments (header & blocks 1-3)
+        if(message instanceof FullLCMessage flc && flc.getOpcode().isTalkerAliasOpcode() && message.isValid())
+        {
+            dispatch(mTalkerAliasAssembler.process(flc));
         }
 
         //Now that the message has been (potentially) enriched, dispatch it to the modules
@@ -186,6 +214,26 @@ public class DMRMessageProcessor implements Listener<IMessage>
     {
         if(mMessageListener != null && message != null)
         {
+            //Configure compressed talkgroups for the DMR talkgroup identifiers in the message.
+            if(mConfigDMR.isUseCompressedTalkgroups())
+            {
+                try
+                {
+                    for(Identifier identifier: message.getIdentifiers())
+                    {
+                        if(identifier instanceof DMRTalkgroup talkgroup)
+                        {
+                            talkgroup.setCompressed(true);
+                        }
+                    }
+                }
+                catch(Exception e)
+                {
+                    mLog.error("Error applying compressed talkgroup setting to identifier in message: " + message +
+                            " [" + message.getClass() + "]");
+                }
+            }
+
             mMessageListener.receive(message);
         }
     }

src/main/java/io/github/dsheirer/module/decode/dmr/DecodeConfigDMR.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2020 Dennis Sheirer, Zhenyu Mao
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 package io.github.dsheirer.module.decode.dmr;
 
@@ -25,7 +24,6 @@ import io.github.dsheirer.module.decode.DecoderType;
 import io.github.dsheirer.module.decode.config.DecodeConfiguration;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
 import io.github.dsheirer.source.tuner.channel.ChannelSpecification;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -40,6 +38,7 @@ public class DecodeConfigDMR extends DecodeConfiguration
     private int mTrafficChannelPoolSize = TRAFFIC_CHANNEL_LIMIT_DEFAULT;
     private boolean mIgnoreDataCalls = true;
     private boolean mIgnoreCRCChecksums = false;
+    private boolean mUseCompressedTalkgroups = false;
     private List<TimeslotFrequency> mTimeslotMap = new ArrayList<>();
 
     public DecodeConfigDMR()
@@ -109,6 +108,28 @@ public class DecodeConfigDMR extends DecodeConfiguration
         mIgnoreCRCChecksums = ignore;
     }
 
+    /**
+     * Indicates if decoder should use compressed talkgroups
+     */
+    @JacksonXmlProperty(isAttribute = true, localName = "use_compressed_talkgroups")
+    public boolean isUseCompressedTalkgroups()
+    {
+        return mUseCompressedTalkgroups;
+    }
+
+    /**
+     * Sets flag to use compressed talkgroups.
+     *
+     * Converts the air interface value to a compressed value described in ETSI 102 361-2, V.2.4.1, Paragraph C2.1.2
+     * This has been observed in use on Hytera Tier III systems.
+     * See: https://cwh050.blogspot.com/2021/03/converting-flat-number-to-dmr-id.html?m=1
+     * @param useCompressedTalkgroups true to use compressed talkgroups.
+     */
+    public void setUseCompressedTalkgroups(boolean useCompressedTalkgroups)
+    {
+        mUseCompressedTalkgroups = useCompressedTalkgroups;
+    }
+
     /**
      * Traffic channel pool size.
      * @return

src/main/java/io/github/dsheirer/module/decode/dmr/identifier/DMRTalkgroup.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.dmr.identifier;
@@ -26,16 +23,33 @@ import io.github.dsheirer.identifier.Role;
 import io.github.dsheirer.identifier.talkgroup.TalkgroupIdentifier;
 import io.github.dsheirer.protocol.Protocol;
 
+/**
+ * DMR Talkgroup identifier
+ */
 public class DMRTalkgroup extends TalkgroupIdentifier
 {
-    public DMRTalkgroup(Integer value)
+    private boolean mCompressed = false;
+    private int mOriginalValue;
+
+    /**
+     * Constructs an instance
+     * @param value of the talkgroup
+     */
+    public DMRTalkgroup(int value)
     {
         super(value, Role.TO);
+        mOriginalValue = value;
     }
 
-    public DMRTalkgroup(Integer value, Role role)
+    /**
+     * Constructs an instance
+     * @param value of the talkgroup
+     * @param role of the talkgroup
+     */
+    public DMRTalkgroup(int value, Role role)
     {
         super(value, role);
+        mOriginalValue = value;
     }
 
     @Override
@@ -44,6 +58,84 @@ public class DMRTalkgroup extends TalkgroupIdentifier
         return Protocol.DMR;
     }
 
+    @Override
+    public String toString()
+    {
+        if(mCompressed)
+        {
+            return super.toString() + "(c)";
+        }
+        else
+        {
+            return super.toString();
+        }
+    }
+
+    /**
+     * Sets the compressed flag for this value.
+     *
+     * Talkgroup compression is an alternate format for DMR systems that allows the end user to dial a 7-digit number
+     * on their mobile keypad using just the digits 0 - 9, to address a talkgroup.  The downside to this is that the
+     * total available talkgroup address space is reduced to just those dialable talkgroups.
+     *
+     * @param compressed true when using compressed talkgroup format.
+     */
+    public void setCompressed(boolean compressed)
+    {
+        mCompressed = compressed;
+
+        if(mCompressed)
+        {
+            setValue(getCompressed(mOriginalValue));
+        }
+        else
+        {
+            setValue(mOriginalValue);
+        }
+    }
+
+    /**
+     * Converts the air interface value to a compressed value described in ETSI 102 361-2, V.2.4.1, Paragraph C2.1.2
+     *
+     * This has been observed in use on Hytera Tier III systems.
+     *
+     * See: https://cwh050.blogspot.com/2021/03/converting-flat-number-to-dmr-id.html?m=1
+     *
+     * @param original value to convert
+     * @return converted value.
+     */
+    public static int getCompressed(int original)
+    {
+        int converted = 0;
+        int units = original / 1_464_100;
+        converted += (units * 1_000_000);
+        original -= (units * 1_464_100);
+
+        units = original / 146_410;
+        converted += (units * 100_000);
+        original -= (units * 146_410);
+
+        units = original / 14_641;
+        converted += (units * 10_000);
+        original -= (units * 14_641);
+
+        units = original / 1_331;
+        converted += (units * 1_000);
+        original -= (units * 1_331);
+
+        units = original / 121;
+        converted += (units * 100);
+        original -= (units * 121);
+
+        units = original / 11;
+        converted += (units * 10);
+        original -= (units * 11);
+
+        converted += original;
+
+        return converted;
+    }
+
     /**
      * Creates a DMR TO talkgroup identifier
      */

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/CSBKMessageFactory.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -24,7 +24,12 @@ import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
 import io.github.dsheirer.module.decode.dmr.message.CACH;
 import io.github.dsheirer.module.decode.dmr.message.data.SlotType;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera.HyteraAdjacentSiteInformation;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera.HyteraAloha;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera.HyteraAnnouncement;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera.HyteraCsbko32;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera.HyteraCsbko44;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera.HyteraCsbko47;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera.HyteraSmsWaitingNotification;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera.HyteraXPTPreamble;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera.HyteraXPTSiteState;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.motorola.CapacityMaxAloha;
@@ -49,6 +54,7 @@ import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.Aloha;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.Clear;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.MoveTSCC;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.Preamble;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.Protect;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.acknowledge.Acknowledge;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.acknowledge.AcknowledgeStatus;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.acknowledge.RegistrationAccepted;
@@ -78,7 +84,6 @@ import io.github.dsheirer.module.decode.dmr.message.data.mbc.MBCContinuationBloc
 import io.github.dsheirer.module.decode.dmr.message.data.mbc.UnknownMultiCSBK;
 import io.github.dsheirer.module.decode.dmr.message.type.AnnouncementType;
 import io.github.dsheirer.module.decode.dmr.message.type.ServiceKind;
-
 import java.util.List;
 
 /**
@@ -200,6 +205,9 @@ public class CSBKMessageFactory
                 case STANDARD_PRIVATE_VOICE_CHANNEL_GRANT:
                     csbk = new PrivateVoiceChannelGrant(pattern, message, cach, slotType, timestamp, timeslot);
                     break;
+                case STANDARD_PROTECT:
+                    csbk = new Protect(pattern, message, cach, slotType, timestamp, timeslot);
+                    break;
                 case STANDARD_TALKGROUP_DATA_CHANNEL_GRANT_SINGLE_ITEM:
                     csbk = new TalkgroupDataChannelGrant(pattern, message, cach, slotType, timestamp, timeslot);
                     break;
@@ -213,6 +221,9 @@ public class CSBKMessageFactory
                     csbk = new Preamble(pattern, message, cach, slotType, timestamp, timeslot);
                     break;
 
+                case HYTERA_ALOHA:
+                    csbk = new HyteraAloha(pattern, message, cach, slotType, timestamp, timeslot);
+                    break;
                 case HYTERA_08_ANNOUNCEMENT:
                 case HYTERA_68_ANNOUNCEMENT:
                     AnnouncementType announcementType = HyteraAnnouncement.getAnnouncementType(message);
@@ -232,7 +243,18 @@ public class CSBKMessageFactory
                 case HYTERA_XPT_SITE_STATE:
                     csbk = new HyteraXPTSiteState(pattern, message, cach, slotType, timestamp, timeslot);
                     break;
-
+                case HYTERA_CSBKO_32:
+                    csbk = new HyteraCsbko32(pattern, message, cach, slotType, timestamp, timeslot);
+                    break;
+                case HYTERA_CSBKO_44:
+                    csbk = new HyteraCsbko44(pattern, message, cach, slotType, timestamp, timeslot);
+                    break;
+                case HYTERA_CSBKO_47:
+                    csbk = new HyteraCsbko47(pattern, message, cach, slotType, timestamp, timeslot);
+                    break;
+                case HYTERA_CSBKO_62:
+                    csbk = new HyteraSmsWaitingNotification(pattern, message, cach, slotType, timestamp, timeslot);
+                    break;
                 case MOTOROLA_CAPMAX_ALOHA:
                     csbk = new CapacityMaxAloha(pattern, message, cach, slotType, timestamp, timeslot);
                     break;

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/Opcode.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,7 +20,6 @@
 package io.github.dsheirer.module.decode.dmr.message.data.csbk;
 
 import io.github.dsheirer.module.decode.dmr.message.type.Vendor;
-
 import java.util.EnumMap;
 import java.util.EnumSet;
 import java.util.Map;
@@ -50,8 +49,8 @@ public enum Opcode
     STANDARD_ACKNOWLEDGE_RESPONSE_INBOUND_PAYLOAD(Vendor.STANDARD, 35, "ACKNOWLEDGE RESPONSE INBOUND PAYLOAD"),
     STANDARD_UNIFIED_DATA_TRANSPORT_FOR_DGNA_OUTBOUND_HEADER(Vendor.STANDARD, 36, "UNIFIED DATA TRANSPORT OUTBOUND HEADER"),
     STANDARD_UNIFIED_DATA_TRANSPORT_FOR_DGNA_INBOUND_HEADER(Vendor.STANDARD, 37, "UNIFIED DATA TRANSPORT OUTBOUND HEADER"),
-    STANDARD_ANNOUNCEMENT(Vendor.STANDARD, 40, "ANNOUNCEMENT"),
     STANDARD_NEGATIVE_ACKNOWLEDGE_RESPONSE(Vendor.STANDARD, 38, "NEGATIVE ACKNOWLEDGE RESPONSE"),
+    STANDARD_ANNOUNCEMENT(Vendor.STANDARD, 40, "ANNOUNCEMENT"),
     STANDARD_MAINTENANCE(Vendor.STANDARD, 42, "MAINTENANCE"),
     STANDARD_CLEAR(Vendor.STANDARD, 46, "CLEAR"),
     STANDARD_PROTECT(Vendor.STANDARD, 47, "PROTECT"),
@@ -90,12 +89,17 @@ public enum Opcode
     MOTOROLA_CAPPLUS_PREAMBLE(Vendor.MOTOROLA_CAPACITY_PLUS, 61, "PREAMBLE"),
     MOTOROLA_CAPPLUS_SYSTEM_STATUS(Vendor.MOTOROLA_CAPACITY_PLUS, 62, "SYSTEM STATUS"),
 
-    HYTERA_XPT_SITE_STATE(Vendor.HYTERA_68, 10, "HYTERA XPT SITE STATE"),
+    HYTERA_CSBKO_32(Vendor.HYTERA_8, 32, "T-III HYTERA 08 CSBKO 32"),
     HYTERA_08_ANNOUNCEMENT(Vendor.HYTERA_8, 40, "T-III 08 ANNOUNCEMENT"),
-    HYTERA_68_ANNOUNCEMENT(Vendor.HYTERA_68, 40, "T-III 68 ANNOUNCEMENT"),
+    HYTERA_CSBKO_44(Vendor.HYTERA_8, 44, "T-III HYTERA 08 CSBKO 44"),
+    HYTERA_CSBKO_47(Vendor.HYTERA_8, 47, "T-III HYTERA 08 CSBKO 47"),
+
+    HYTERA_XPT_SITE_STATE(Vendor.HYTERA_68, 10, "HYTERA XPT SITE STATE"),
+    HYTERA_ALOHA(Vendor.HYTERA_68, 25, "HYTERA ALOHA"),
+    HYTERA_68_ANNOUNCEMENT(Vendor.HYTERA_68, 40, "T-III 68 ANNOUNCEMENT"),
+    HYTERA_XPT_PREAMBLE(Vendor.HYTERA_68, 61, "HYTERA XPT PREAMBLE"), //Opcode 54 and/or 55 - See patent on Hytera call forwarding
+    HYTERA_CSBKO_62(Vendor.HYTERA_68, 62, "HYTERA CSBKO 62"),
 
-    //Opcode 54 and/or 55 - See patent on Hytera call forwarding
-    HYTERA_XPT_PREAMBLE(Vendor.HYTERA_68, 61, "HYTERA XPT PREAMBLE"),
 
     UNKNOWN(Vendor.UNKNOWN, -1, "UNKNOWN");
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/hytera/HyteraAloha.java

@@ -0,0 +1,198 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.identifier.Identifier;
+import io.github.dsheirer.identifier.radio.RadioIdentifier;
+import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
+import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
+import io.github.dsheirer.module.decode.dmr.message.CACH;
+import io.github.dsheirer.module.decode.dmr.message.data.SlotType;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.CSBKMessage;
+import io.github.dsheirer.module.decode.dmr.message.type.ServiceFunction;
+import io.github.dsheirer.module.decode.dmr.message.type.SystemIdentityCode;
+import io.github.dsheirer.module.decode.dmr.message.type.Version;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Hytera DMR Tier III - Aloha Message
+ */
+public class HyteraAloha extends CSBKMessage
+{
+    //TODO: not sure what bits 16 to 31 are used for ... awaiting documentation.
+    //TODO: bits 32 to 79 seem to align with the standard aloha.
+
+    private static final int[] RESERVED = new int[]{16, 17};
+    private static final int SITE_TIMESLOT_SYNCHRONIZATION = 18;
+    private static final int[] VERSION = new int[]{19, 20, 21};
+    private static final int TIMING_OFFSET = 22;
+    private static final int ACTIVE_NETWORK_CONNECTION_FLAG = 23;
+    private static final int[] MASK = new int[]{24, 25, 26, 27, 28};
+    private static final int[] SERVICE_FUNCTION = new int[]{29, 30};
+    private static final int[] N_RAND_WAIT = new int[]{31, 32, 33, 34};
+    private static final int REGISTRATION_REQUIRED_FLAG = 35;
+    private static final int[] BACKOFF = new int[]{36, 37, 38, 39};
+    private static final int SYSTEM_IDENTITY_CODE_OFFSET = 40;
+    private static final int[] RADIO = new int[]{56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72,
+        73, 74, 75, 76, 77, 78, 79};
+
+    private SystemIdentityCode mSystemIdentityCode;
+    private RadioIdentifier mRadioIdentifier;
+    private List<Identifier> mIdentifiers;
+
+    /**
+     * Constructs an instance
+     *
+     * @param syncPattern for the CSBK
+     * @param message bits
+     * @param cach for the DMR burst
+     * @param slotType for this message
+     * @param timestamp
+     * @param timeslot
+     */
+    public HyteraAloha(DMRSyncPattern syncPattern, CorrectedBinaryMessage message, CACH cach, SlotType slotType, long timestamp, int timeslot)
+    {
+        super(syncPattern, message, cach, slotType, timestamp, timeslot);
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+
+        if(!isValid())
+        {
+            sb.append("[CRC-ERROR] ");
+        }
+
+        sb.append("CC:").append(getSlotType().getColorCode());
+        sb.append(" HYTERA ALOHA");
+
+        if(hasRadioIdentifier())
+        {
+            sb.append(" TO:").append(getRadioIdentifier());
+        }
+
+        sb.append(" ").append(getSystemIdentityCode().getModel());
+        sb.append(" NETWORK:").append(getSystemIdentityCode().getNetwork());
+        sb.append(" SITE:").append(getSystemIdentityCode().getSite());
+        if(hasActiveNetworkConnection())
+        {
+            sb.append(" NET-CONNECTED");
+        }
+        else
+        {
+            sb.append(" NET-DISCONNECTED");
+        }
+
+        sb.append(" SERVICES:").append(getServiceFunction());
+
+        sb.append(" ETSI VER:").append(getVersion());
+        sb.append(" MASK:").append(getMask());
+
+        if(getSystemIdentityCode().getPAR().isMultipleControlChannels())
+        {
+            sb.append(" ").append(getSystemIdentityCode().getPAR());
+        }
+
+        sb.append(" ").append(getMessage().toHexString());
+
+        return sb.toString();
+    }
+
+    /**
+     * Services provided by the control channel.
+     */
+    public ServiceFunction getServiceFunction()
+    {
+        return ServiceFunction.fromValue(getMessage().getInt(SERVICE_FUNCTION));
+    }
+
+    /**
+     * Mobile subscriber ID masking value.  See: 102 361-4 p6.1.3
+     */
+    public int getMask()
+    {
+        return getMessage().getInt(MASK);
+    }
+
+    public boolean hasActiveNetworkConnection()
+    {
+        return getMessage().get(ACTIVE_NETWORK_CONNECTION_FLAG);
+    }
+
+    /**
+     * DMR Tier III ETSI 102 361-4 ICD Version Number supported by this system
+     */
+    public Version getVersion()
+    {
+        return Version.fromValue(getMessage().getInt(VERSION));
+    }
+
+    /**
+     * Acknowledged radio identifier
+     */
+    public RadioIdentifier getRadioIdentifier()
+    {
+        if(mRadioIdentifier == null)
+        {
+            mRadioIdentifier = DMRRadio.createTo(getMessage().getInt(RADIO));
+        }
+
+        return mRadioIdentifier;
+    }
+
+    public boolean hasRadioIdentifier()
+    {
+        return getMessage().getInt(RADIO) != 0;
+    }
+
+    /**
+     * System Identity Code structure
+     */
+    public SystemIdentityCode getSystemIdentityCode()
+    {
+        if(mSystemIdentityCode == null)
+        {
+            mSystemIdentityCode = new SystemIdentityCode(getMessage(), SYSTEM_IDENTITY_CODE_OFFSET, true);
+        }
+
+        return mSystemIdentityCode;
+    }
+
+    @Override
+    public List<Identifier> getIdentifiers()
+    {
+        if(mIdentifiers == null)
+        {
+            mIdentifiers = new ArrayList<>();
+            if(hasRadioIdentifier())
+            {
+                mIdentifiers.add(getRadioIdentifier());
+            }
+            mIdentifiers.add(getSystemIdentityCode().getNetwork());
+            mIdentifiers.add(getSystemIdentityCode().getSite());
+        }
+
+        return mIdentifiers;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/hytera/HyteraAnnouncement.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -28,7 +28,6 @@ import io.github.dsheirer.module.decode.dmr.message.data.SlotType;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.CSBKMessage;
 import io.github.dsheirer.module.decode.dmr.message.type.AnnouncementType;
 import io.github.dsheirer.module.decode.dmr.message.type.SystemIdentityCode;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -78,7 +77,7 @@ public class HyteraAnnouncement extends CSBKMessage
         }
 
         sb.append("CC:").append(getSlotType().getColorCode());
-        sb.append(" HYTERA ").append(getAnnouncementType());
+        sb.append(" HYTERA ANNOUNCEMENT-TYPE:").append(getAnnouncementType());
         sb.append(" ").append(getSystemIdentityCode().getModel());
         sb.append(" NETWORK:").append(getSystemIdentityCode().getNetwork());
         sb.append(" SITE:").append(getSystemIdentityCode().getSite());

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/hytera/HyteraCsbko32.java

@@ -0,0 +1,137 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.identifier.Identifier;
+import io.github.dsheirer.identifier.radio.RadioIdentifier;
+import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
+import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
+import io.github.dsheirer.module.decode.dmr.message.CACH;
+import io.github.dsheirer.module.decode.dmr.message.data.SlotType;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.CSBKMessage;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Hytera DMR Tier III - CSBKO 32 - Possibly Acknowledge Response
+ *
+ * Analysis: ... this was transmitted on the traffic channel while the mobile was at the end of a call, in the terminator
+ * sequence.  Since this comes from the SMS gateway 16776906, I wonder if this is a traffic channel message waiting notification?
+ */
+public class HyteraCsbko32 extends CSBKMessage
+{
+    private static final int[] UNKNOWN_1 = new int[]{16, 17, 18, 19, 20, 21, 22, 23};
+    private static final int[] UNKNOWN_2 = new int[]{24, 25, 26, 27, 28, 29, 30, 31};
+    private static final int[] DESTINATION_RADIO = new int[]{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
+            49, 50, 51, 52, 53, 54, 55};
+    private static final int[] SOURCE_RADIO = new int[]{56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72,
+            73, 74, 75, 76, 77, 78, 79};
+
+    private List<Identifier> mIdentifiers;
+    private RadioIdentifier mDestinationRadio;
+    private RadioIdentifier mSourceRadio;
+
+    /**
+     * Constructs an instance
+     *
+     * @param syncPattern for the CSBK
+     * @param message bits
+     * @param cach for the DMR burst
+     * @param slotType for this message
+     * @param timestamp
+     * @param timeslot
+     */
+    public HyteraCsbko32(DMRSyncPattern syncPattern, CorrectedBinaryMessage message, CACH cach, SlotType slotType, long timestamp, int timeslot)
+    {
+        super(syncPattern, message, cach, slotType, timestamp, timeslot);
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+
+        if(!isValid())
+        {
+            sb.append("[CRC-ERROR] ");
+        }
+
+        sb.append("CC:").append(getSlotType().getColorCode());
+        sb.append(" HYTERA CSBKO=32 PROBABLE ACKNOWLEDGE RESPONSE");
+        sb.append(" FM:").append(getSourceRadio());
+        sb.append(" TO:").append(getDestinationRadio());
+        sb.append(" UNK1:").append(getUnknown1());
+        sb.append(" UNK2:").append(getUnknown2());
+        sb.append(" MSG:").append(getMessage().toHexString());
+
+        return sb.toString();
+    }
+
+    /**
+     * Addressed (ie TO) radio identifier
+     * @return radio identifier
+     */
+    public RadioIdentifier getDestinationRadio()
+    {
+        if(mDestinationRadio == null)
+        {
+            mDestinationRadio = DMRRadio.createTo(getMessage().getInt(DESTINATION_RADIO));
+        }
+
+        return mDestinationRadio;
+    }
+
+    public String getUnknown1()
+    {
+        return getMessage().getHex(UNKNOWN_1, 2);
+    }
+
+    public String getUnknown2()
+    {
+        return getMessage().getHex(UNKNOWN_2, 2);
+    }
+
+    /**
+     * Source radio.  Should be 16,777,906 the Hytera SMS gateway.
+     */
+    public RadioIdentifier getSourceRadio()
+    {
+        if(mSourceRadio == null)
+        {
+            mSourceRadio = DMRRadio.createFrom(getMessage().getInt(SOURCE_RADIO));
+        }
+
+        return mSourceRadio;
+    }
+
+    @Override
+    public List<Identifier> getIdentifiers()
+    {
+        if(mIdentifiers == null)
+        {
+            mIdentifiers = new ArrayList<>();
+            mIdentifiers.add(getDestinationRadio());
+            mIdentifiers.add(getSourceRadio());
+        }
+
+        return mIdentifiers;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/hytera/HyteraCsbko44.java

@@ -0,0 +1,80 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.identifier.Identifier;
+import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
+import io.github.dsheirer.module.decode.dmr.message.CACH;
+import io.github.dsheirer.module.decode.dmr.message.data.SlotType;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.CSBKMessage;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Hytera DMR Tier III - CSBKO 44 -
+ *
+ * Analysis: ... this was transmitted on the Tier III traffic channel during call termination.  This CSBK was
+ * interleaved with every other Terminator message, starting after the first 2x terminator messages.  This continued
+ * through the final teardown which was 3x Clear messages.
+ */
+public class HyteraCsbko44 extends CSBKMessage
+{
+    private static final int[] UNKNOWN_1 = new int[]{16, 17, 18, 19, 20, 21, 22, 23};
+
+    private List<Identifier> mIdentifiers;
+
+    /**
+     * Constructs an instance
+     *
+     * @param syncPattern for the CSBK
+     * @param message bits
+     * @param cach for the DMR burst
+     * @param slotType for this message
+     * @param timestamp
+     * @param timeslot
+     */
+    public HyteraCsbko44(DMRSyncPattern syncPattern, CorrectedBinaryMessage message, CACH cach, SlotType slotType, long timestamp, int timeslot)
+    {
+        super(syncPattern, message, cach, slotType, timestamp, timeslot);
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+
+        if(!isValid())
+        {
+            sb.append("[CRC-ERROR] ");
+        }
+
+        sb.append("CC:").append(getSlotType().getColorCode());
+        sb.append(" HYTERA UNKNOWN CSBKO=44");
+        sb.append(" MSG:").append(getMessage().toHexString());
+
+        return sb.toString();
+    }
+    @Override
+    public List<Identifier> getIdentifiers()
+    {
+        return Collections.emptyList();
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/hytera/HyteraCsbko47.java

@@ -0,0 +1,138 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.identifier.Identifier;
+import io.github.dsheirer.identifier.radio.RadioIdentifier;
+import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
+import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
+import io.github.dsheirer.module.decode.dmr.message.CACH;
+import io.github.dsheirer.module.decode.dmr.message.data.SlotType;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.CSBKMessage;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Hytera DMR Tier III - CSBKO 47 -
+ *
+ * Analysis: ... this was transmitted on the traffic channel while the mobile was at the end of a call, in the terminator
+ * sequence.  Since this comes from the SMS gateway 16776906, I wonder if this is a traffic channel message waiting notification?
+ */
+public class HyteraCsbko47 extends CSBKMessage
+{
+    private static final int[] UNKNOWN_1 = new int[]{16, 17, 18, 19, 20, 21, 22, 23};
+    private static final int[] UNKNOWN_2 = new int[]{24, 25, 26, 27, 28, 29, 30, 31};
+    private static final int[] DESTINATION_RADIO = new int[]{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
+            49, 50, 51, 52, 53, 54, 55};
+    private static final int[] SOURCE_RADIO = new int[]{56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72,
+            73, 74, 75, 76, 77, 78, 79};
+
+    private List<Identifier> mIdentifiers;
+    private RadioIdentifier mDestinationRadio;
+    private RadioIdentifier mSourceRadio;
+
+    /**
+     * Constructs an instance
+     *
+     * @param syncPattern for the CSBK
+     * @param message bits
+     * @param cach for the DMR burst
+     * @param slotType for this message
+     * @param timestamp
+     * @param timeslot
+     */
+    public HyteraCsbko47(DMRSyncPattern syncPattern, CorrectedBinaryMessage message, CACH cach, SlotType slotType, long timestamp, int timeslot)
+    {
+        super(syncPattern, message, cach, slotType, timestamp, timeslot);
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+
+        if(!isValid())
+        {
+            sb.append("[CRC-ERROR] ");
+        }
+
+        sb.append("CC:").append(getSlotType().getColorCode());
+        sb.append(" HYTERA CSBKO=47  #########  UNKNOWN");
+        sb.append(" FM:").append(getSourceRadio());
+        sb.append(" TO:").append(getDestinationRadio());
+        sb.append(" UNK1:").append(getUnknown1());
+        sb.append(" UNK2:").append(getUnknown2());
+
+        sb.append(" MSG:").append(getMessage().toHexString());
+
+        return sb.toString();
+    }
+
+    /**
+     * Addressed (ie TO) radio identifier
+     * @return radio identifier
+     */
+    public RadioIdentifier getDestinationRadio()
+    {
+        if(mDestinationRadio == null)
+        {
+            mDestinationRadio = DMRRadio.createTo(getMessage().getInt(DESTINATION_RADIO));
+        }
+
+        return mDestinationRadio;
+    }
+
+    public String getUnknown1()
+    {
+        return getMessage().getHex(UNKNOWN_1, 2);
+    }
+
+    public String getUnknown2()
+    {
+        return getMessage().getHex(UNKNOWN_2, 2);
+    }
+
+    /**
+     * Source radio.  Should be 16,777,906 the Hytera SMS gateway.
+     */
+    public RadioIdentifier getSourceRadio()
+    {
+        if(mSourceRadio == null)
+        {
+            mSourceRadio = DMRRadio.createFrom(getMessage().getInt(SOURCE_RADIO));
+        }
+
+        return mSourceRadio;
+    }
+
+    @Override
+    public List<Identifier> getIdentifiers()
+    {
+        if(mIdentifiers == null)
+        {
+            mIdentifiers = new ArrayList<>();
+            mIdentifiers.add(getDestinationRadio());
+            mIdentifiers.add(getSourceRadio());
+        }
+
+        return mIdentifiers;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/hytera/HyteraSmsWaitingNotification.java

@@ -0,0 +1,138 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.csbk.hytera;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.identifier.Identifier;
+import io.github.dsheirer.identifier.radio.RadioIdentifier;
+import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
+import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
+import io.github.dsheirer.module.decode.dmr.message.CACH;
+import io.github.dsheirer.module.decode.dmr.message.data.SlotType;
+import io.github.dsheirer.module.decode.dmr.message.data.csbk.CSBKMessage;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Hytera DMR Tier III - CSBKO 62 -
+ *
+ * Analysis: this message gets sent on timeslot 2 (not the Tier III control timeslot 1) from the SMS gateway (16776906)
+ * and gets sent to each of the radios involved in the SMS transfer (sender/receiver).  I suspect that the network tells
+ * each of the radios to join the control channel and prepare for the SMS message.
+ */
+public class HyteraSmsWaitingNotification extends CSBKMessage
+{
+    private static final int[] UNKNOWN_1 = new int[]{16, 17, 18, 19, 20, 21, 22, 23};
+    private static final int[] UNKNOWN_2 = new int[]{24, 25, 26, 27, 28, 29, 30, 31};
+    private static final int[] DESTINATION_RADIO = new int[]{32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
+            49, 50, 51, 52, 53, 54, 55};
+    private static final int[] SOURCE_RADIO = new int[]{56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72,
+            73, 74, 75, 76, 77, 78, 79};
+
+    private List<Identifier> mIdentifiers;
+    private RadioIdentifier mDestinationRadio;
+    private RadioIdentifier mSourceRadio;
+
+    /**
+     * Constructs an instance
+     *
+     * @param syncPattern for the CSBK
+     * @param message bits
+     * @param cach for the DMR burst
+     * @param slotType for this message
+     * @param timestamp
+     * @param timeslot
+     */
+    public HyteraSmsWaitingNotification(DMRSyncPattern syncPattern, CorrectedBinaryMessage message, CACH cach, SlotType slotType, long timestamp, int timeslot)
+    {
+        super(syncPattern, message, cach, slotType, timestamp, timeslot);
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+
+        if(!isValid())
+        {
+            sb.append("[CRC-ERROR] ");
+        }
+
+        sb.append("CC:").append(getSlotType().getColorCode());
+        sb.append(" HYTERA PREPARE FOR SMS MESSAGE FOR:").append(getDestinationRadio());
+        sb.append(" FM:").append(getSourceRadio());
+        sb.append(" UNK1:").append(getUnknown1());
+        sb.append(" UNK2:").append(getUnknown2());
+
+        sb.append(" MSG:").append(getMessage().toHexString());
+
+        return sb.toString();
+    }
+
+    /**
+     * Addressed (ie TO) radio identifier
+     * @return radio identifier
+     */
+    public RadioIdentifier getDestinationRadio()
+    {
+        if(mDestinationRadio == null)
+        {
+            mDestinationRadio = DMRRadio.createTo(getMessage().getInt(DESTINATION_RADIO));
+        }
+
+        return mDestinationRadio;
+    }
+
+    public String getUnknown1()
+    {
+        return getMessage().getHex(UNKNOWN_1, 2);
+    }
+
+    public String getUnknown2()
+    {
+        return getMessage().getHex(UNKNOWN_2, 2);
+    }
+
+    /**
+     * Source radio.  Should be 16,777,906 the Hytera SMS gateway.
+     */
+    public RadioIdentifier getSourceRadio()
+    {
+        if(mSourceRadio == null)
+        {
+            mSourceRadio = DMRRadio.createFrom(getMessage().getInt(SOURCE_RADIO));
+        }
+
+        return mSourceRadio;
+    }
+
+    @Override
+    public List<Identifier> getIdentifiers()
+    {
+        if(mIdentifiers == null)
+        {
+            mIdentifiers = new ArrayList<>();
+            mIdentifiers.add(getDestinationRadio());
+            mIdentifiers.add(getSourceRadio());
+        }
+
+        return mIdentifiers;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/csbk/standard/Clear.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -37,7 +37,6 @@ import io.github.dsheirer.module.decode.dmr.message.data.csbk.CSBKMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.mbc.MBCContinuationBlock;
 import io.github.dsheirer.module.decode.dmr.message.type.AbsoluteChannelParameters;
 import io.github.dsheirer.module.decode.dmr.message.type.DataType;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -118,6 +117,7 @@ public class Clear extends CSBKMessage implements ITimeslotFrequencyReceiver
         sb.append(" CLEAR - RETURN TO ").append(getMoveToChannel());
         sb.append(" FM:").append(getSourceRadio());
         sb.append(" TO:").append(getDestinationId());
+        sb.append(" MSG:").append(getMessage().toHexString());
         return sb.toString();
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/header/UDTHeader.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -32,7 +32,6 @@ import io.github.dsheirer.module.decode.dmr.message.data.csbk.Opcode;
 import io.github.dsheirer.module.decode.dmr.message.type.ServiceAccessPoint;
 import io.github.dsheirer.module.decode.dmr.message.type.UnifiedDataTransportFormat;
 import io.github.dsheirer.module.decode.dmr.message.type.Vendor;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -84,13 +83,13 @@ public class UDTHeader extends DataHeader
             sb.append(" [CRC ERROR]");
         }
         sb.append(" UDT HEADER");
-        if(isSupplementaryData())
+        if(isShortData())
         {
-            sb.append(" SUPPLEMENTARY DATA");
+            sb.append(" SHORT DATA");
         }
         else
         {
-            sb.append(" SHORT DATA");
+            sb.append(" SUPPLEMENTARY DATA");
         }
         sb.append(" FM:").append(getSourceLLID());
         sb.append(" TO:").append(getDestinationLLID());
@@ -106,7 +105,7 @@ public class UDTHeader extends DataHeader
             sb.append(" OPCODE:").append(getOpcode());
         }
         sb.append(" PAD NIBBLES:").append(getPadNibbleCount());
-        sb.append(" ").append(getServiceAccessPoint());
+        sb.append(" SAP:").append(getServiceAccessPoint());
         return sb.toString();
     }
 
@@ -121,7 +120,15 @@ public class UDTHeader extends DataHeader
     }
 
     /**
-     * Indicates if the header contains supplementary data (true) or short data (false)
+     * Indicates if the header is for a short data sequence
+     */
+    public boolean isShortData()
+    {
+        return !isSupplementaryData();
+    }
+
+    /**
+     * Indicates if the header is for supplementary data
      */
     public boolean isSupplementaryData()
     {

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/LCMessageFactory.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -21,10 +21,15 @@ package io.github.dsheirer.module.decode.dmr.message.data.lc;
 
 import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.edac.CRCDMR;
+import io.github.dsheirer.edac.Checksum_5_DMR;
 import io.github.dsheirer.edac.ReedSolomon_12_9_4_DMR;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.FullLCMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.GPSInformation;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.GroupVoiceChannelUser;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.full.TalkerAliasBlock1;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.full.TalkerAliasBlock2;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.full.TalkerAliasBlock3;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.full.TalkerAliasHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.TerminatorData;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.UnitToUnitVoiceChannelUser;
 import io.github.dsheirer.module.decode.dmr.message.data.lc.full.UnknownFullLCMessage;
@@ -71,9 +76,22 @@ public class LCMessageFactory
             throw new IllegalArgumentException("Message cannot be null");
         }
 
-        //RS(12,9,4) can correct up to floor(4/2) = 1 bit error.
-        boolean corrected = REED_SOLOMON_12_9_4_DMR.correctFullLinkControl(message,
-            isTerminator ? TERMINATOR_LINK_CONTROL_CRC_MASK : VOICE_LINK_CONTROL_CRC_MASK);
+        boolean valid = true;
+
+        if(message.size() == 77)
+        {
+            valid = Checksum_5_DMR.isValid(message);
+        }
+        else if(message.size() == 96)
+        {
+            //RS(12,9,4) can correct up to floor(4/2) = 1 bit error.
+            valid = REED_SOLOMON_12_9_4_DMR.correctFullLinkControl(message,
+                    isTerminator ? TERMINATOR_LINK_CONTROL_CRC_MASK : VOICE_LINK_CONTROL_CRC_MASK);
+        }
+        else
+        {
+            mLog.warn("Unrecognized Link Control Message Size: " + message.size());
+        }
 
         LCOpcode opcode = FullLCMessage.getOpcode(message);
 
@@ -110,15 +128,24 @@ public class LCMessageFactory
                 flc = new HyteraTerminator(message, timestamp, timeslot);
                 break;
             case FULL_STANDARD_TALKER_ALIAS_HEADER:
+                flc = new TalkerAliasHeader(message, timestamp, timeslot);
+                break;
             case FULL_STANDARD_TALKER_ALIAS_BLOCK_1:
+                flc = new TalkerAliasBlock1(message, timestamp, timeslot);
+                break;
             case FULL_STANDARD_TALKER_ALIAS_BLOCK_2:
+                flc = new TalkerAliasBlock2(message, timestamp, timeslot);
+                break;
             case FULL_STANDARD_TALKER_ALIAS_BLOCK_3:
+                flc = new TalkerAliasBlock3(message, timestamp, timeslot);
+                break;
             default:
                 flc = new UnknownFullLCMessage(message, timestamp, timeslot);
                 break;
         }
 
-        flc.setValid(corrected);
+        flc.setValid(valid);
+
         return flc;
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/LCOpcode.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,8 +20,8 @@
 package io.github.dsheirer.module.decode.dmr.message.data.lc;
 
 import io.github.dsheirer.module.decode.dmr.message.type.Vendor;
-
 import java.util.EnumMap;
+import java.util.EnumSet;
 import java.util.Map;
 import java.util.TreeMap;
 
@@ -39,6 +39,7 @@ public enum LCOpcode
     FULL_STANDARD_TALKER_ALIAS_BLOCK_1(Vendor.STANDARD,true, 5, "TALKER ALIAS BLOCK 1"),
     FULL_STANDARD_TALKER_ALIAS_BLOCK_2(Vendor.STANDARD,true, 6, "TALKER ALIAS BLOCK 2"),
     FULL_STANDARD_TALKER_ALIAS_BLOCK_3(Vendor.STANDARD,true, 7, "TALKER ALIAS BLOCK 3"),
+    FULL_STANDARD_TALKER_ALIAS_COMPLETE(Vendor.STANDARD, true, -1, "TALKER ALIAS COMPLETE"), //Not part of ICD
     FULL_STANDARD_GPS_INFO(Vendor.STANDARD,true, 8, "GPS INFO"),
     FULL_STANDARD_TERMINATOR_DATA(Vendor.STANDARD, true, 48, "TERMINATOR DATA"),
     FULL_STANDARD_UNKNOWN(Vendor.STANDARD,true, -1, "FULL UNKNOWN"),
@@ -67,6 +68,9 @@ public enum LCOpcode
 
     SHORT_STANDARD_UNKNOWN(Vendor.STANDARD,false,-1, "SHORT UNKNOWN");
 
+    private static final EnumSet<LCOpcode> TALKER_ALIAS_OPCODES = EnumSet.of(FULL_STANDARD_TALKER_ALIAS_HEADER,
+            FULL_STANDARD_TALKER_ALIAS_BLOCK_1, FULL_STANDARD_TALKER_ALIAS_BLOCK_2, FULL_STANDARD_TALKER_ALIAS_BLOCK_3);
+
     private Vendor mVendor;
     private boolean mFull;
     private int mValue;
@@ -111,6 +115,14 @@ public enum LCOpcode
         return !mFull;
     }
 
+    /**
+     * Indicates if this entry is one of the four talker alias opcodes.
+     */
+    public boolean isTalkerAliasOpcode()
+    {
+        return TALKER_ALIAS_OPCODES.contains(this);
+    }
+
     public int getValue()
     {
         return mValue;

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/FLCAssembler.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -93,7 +93,7 @@ public class FLCAssembler
     }
 
     /**
-     * Dispatches a fully-received messsage
+     * Dispatches a fully-received message
      */
     private FullLCMessage dispatch()
     {
@@ -133,6 +133,7 @@ public class FLCAssembler
             for(int row = 0; row < 8; row++)
             {
                 int rowErrorCount = Hamming16.checkAndCorrect(descrambled, row * 16);
+
                 errorCount += rowErrorCount;
 
                 if(errorCount > 1)
@@ -179,6 +180,9 @@ public class FLCAssembler
                 {
                     extractedMessage.set(pointer++, descrambled.get(row * 16 + column));
                 }
+
+                //Transfer the checksum parity bit from this row
+                extractedMessage.set(70 + row, descrambled.get(row * 16 + 10));
             }
 
             extractedMessage.setCorrectedBitCount(errorCount);

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/FullLCMessage.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -99,4 +99,13 @@ public abstract class FullLCMessage extends LCMessage
     {
         return getMessage().get(ENCRYPTION_FLAG);
     }
+
+    /**
+     * Indicates if the reserved bit is set.
+     * @return true if set
+     */
+    public boolean isReservedBitSet()
+    {
+        return getMessage().get(RESERVED);
+    }
 }

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/GroupVoiceChannelUser.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -25,7 +25,6 @@ import io.github.dsheirer.identifier.radio.RadioIdentifier;
 import io.github.dsheirer.identifier.talkgroup.TalkgroupIdentifier;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRTalkgroup;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -69,6 +68,7 @@ public class GroupVoiceChannelUser extends AbstractVoiceChannelUser
         sb.append(getRadio());
         sb.append(" TO:").append(getTalkgroup());
         sb.append(" ").append(getServiceOptions());
+        sb.append(" MSG:").append(getMessage().toHexString());
         return sb.toString();
     }
 

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/TalkerAliasAssembler.java

@@ -0,0 +1,224 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.lc.full;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+
+/**
+ * Aggregates a sequence of talker alias full link control messages to reconstruct the talker alias.
+ */
+public class TalkerAliasAssembler
+{
+    //Timeslot 1 fragments
+    private TalkerAliasHeader mHeaderTs1;
+    private TalkerAliasBlock1 mBlock1Ts1;
+    private TalkerAliasBlock2 mBlock2Ts1;
+    private TalkerAliasBlock3 mBlock3Ts1;
+
+    //Timeslot 2 fragments
+    private TalkerAliasHeader mHeaderTs2;
+    private TalkerAliasBlock1 mBlock1Ts2;
+    private TalkerAliasBlock2 mBlock2Ts2;
+    private TalkerAliasBlock3 mBlock3Ts2;
+
+    //Flags indicating if we have any non-null fragments for the specified timeslot to support resetting.
+    private boolean mEmptyTs1 = true;
+    private boolean mEmptyTs2 = true;
+
+    /**
+     * Constructs an instance.
+     */
+    public TalkerAliasAssembler()
+    {
+    }
+
+    /**
+     * Resets the contents of either timeslot 1 or 2 when a terminator or idle message is received.
+     * @param timeslot 1 or 2
+     */
+    public void reset(int timeslot)
+    {
+        if(timeslot == 1 && !mEmptyTs1)
+        {
+            mHeaderTs1 = null;
+            mBlock1Ts1 = null;
+            mBlock2Ts1 = null;
+            mBlock3Ts1 = null;
+            mEmptyTs1 = true;
+        }
+        else if(timeslot == 2 && !mEmptyTs2)
+        {
+            mHeaderTs2 = null;
+            mBlock1Ts2 = null;
+            mBlock2Ts2 = null;
+            mBlock3Ts2 = null;
+            mEmptyTs2 = true;
+        }
+    }
+
+    /**
+     * Processes the FLC talker alias header or block and returns a fully assembled alias when all fragments are received.
+     * @param message containing FLC talker alias header or blocks 1-3
+     * @return fully assembled talker alias, if available, or null.
+     */
+    public TalkerAliasComplete process(FullLCMessage message)
+    {
+        switch(message.getOpcode())
+        {
+            case FULL_STANDARD_TALKER_ALIAS_HEADER:
+                if(message instanceof TalkerAliasHeader tah)
+                {
+                    if(message.getTimeslot() == 1)
+                    {
+                        mHeaderTs1 = tah;
+                        mEmptyTs1 = false;
+                        return assemble(1);
+                    }
+                    else
+                    {
+                        mHeaderTs2 = tah;
+                        mEmptyTs2 = false;
+                        return assemble(2);
+                    }
+                }
+            case FULL_STANDARD_TALKER_ALIAS_BLOCK_1:
+                if(message instanceof TalkerAliasBlock1 tab1)
+                {
+                    if(message.getTimeslot() == 1)
+                    {
+                        mBlock1Ts1 = tab1;
+                        mEmptyTs1 = false;
+                        return assemble(1);
+                    }
+                    else
+                    {
+                        mBlock1Ts2 = tab1;
+                        mEmptyTs2 = false;
+                        return assemble(2);
+                    }
+                }
+            case FULL_STANDARD_TALKER_ALIAS_BLOCK_2:
+                if(message instanceof TalkerAliasBlock2 tab2)
+                {
+                    if(message.getTimeslot() == 1)
+                    {
+                        mBlock2Ts1 = tab2;
+                        mEmptyTs1 = false;
+                        return assemble(1);
+                    }
+                    else
+                    {
+                        mBlock2Ts2 = tab2;
+                        mEmptyTs2 = false;
+                        return assemble(2);
+                    }
+                }
+            case FULL_STANDARD_TALKER_ALIAS_BLOCK_3:
+                if(message instanceof TalkerAliasBlock3 tab3)
+                {
+                    if(message.getTimeslot() == 1)
+                    {
+                        mBlock3Ts1 = tab3;
+                        mEmptyTs1 = false;
+                        return assemble(1);
+                    }
+                    else
+                    {
+                        mBlock3Ts2 = tab3;
+                        mEmptyTs2 = false;
+                        return assemble(2);
+                    }
+                }
+        }
+
+        return null;
+    }
+
+    /**
+     * Assembles the complete alias.
+     * @param timeslot to assemble.
+     * @return assembled alias or null.
+     */
+    private TalkerAliasComplete assemble(int timeslot)
+    {
+        if(timeslot == 1)
+        {
+            return assemble(mHeaderTs1, mBlock1Ts1, mBlock2Ts1, mBlock3Ts1);
+        }
+        else
+        {
+            return assemble(mHeaderTs2, mBlock1Ts2, mBlock2Ts2, mBlock3Ts2);
+        }
+    }
+
+    /**
+     * Assembles a complete alias from the header and block fragments.
+     * @param header of the alias
+     * @param block1 of the alias, optional
+     * @param block2 of the alias, optional
+     * @param block3 of the alias, optional
+     * @return assembled alias or null.
+     */
+    private TalkerAliasComplete assemble(TalkerAliasHeader header,
+                                         TalkerAliasBlock1 block1,
+                                         TalkerAliasBlock2 block2,
+                                         TalkerAliasBlock3 block3)
+    {
+        if(header != null)
+        {
+            int bitLength = header.getTotalBitLength();
+
+            if(1 <= bitLength && bitLength <= 49)
+            {
+                return new TalkerAliasComplete(header.getPayloadFragment(), header.getFormat(), header.getCharacterLength(),
+                        header.getTimestamp(), header.getTimeslot());
+            }
+            else if(50 <= bitLength && bitLength <= 105 && block1 != null)
+            {
+                CorrectedBinaryMessage message = new CorrectedBinaryMessage(105);
+                message.load(0, header.getPayloadFragment());
+                message.load(49, block1.getPayloadFragment());
+                return new TalkerAliasComplete(message, header.getFormat(), header.getCharacterLength(),
+                        header.getTimestamp(), header.getTimeslot());
+            }
+            else if(106 <= bitLength && bitLength <= 161 && block1 != null && block2 != null)
+            {
+                CorrectedBinaryMessage message = new CorrectedBinaryMessage(161);
+                message.load(0, header.getPayloadFragment());
+                message.load(49, block1.getPayloadFragment());
+                message.load(105, block2.getPayloadFragment());
+                return new TalkerAliasComplete(message, header.getFormat(), header.getCharacterLength(),
+                        header.getTimestamp(), header.getTimeslot());
+            }
+            else if(162 <= bitLength && bitLength <= 217 && block1 != null && block2 != null && block3 != null)
+            {
+                CorrectedBinaryMessage message = new CorrectedBinaryMessage(217);
+                message.load(0, header.getPayloadFragment());
+                message.load(49, block1.getPayloadFragment());
+                message.load(105, block2.getPayloadFragment());
+                message.load(161, block3.getPayloadFragment());
+                return new TalkerAliasComplete(message, header.getFormat(), header.getCharacterLength(),
+                        header.getTimestamp(), header.getTimeslot());
+            }
+        }
+
+        return null;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/TalkerAliasBlock1.java

@@ -0,0 +1,70 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.lc.full;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.identifier.Identifier;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Talker alias continuation block 1.
+ */
+public class TalkerAliasBlock1 extends FullLCMessage
+{
+    private static final int PAYLOAD_START = 16;
+    private static final int PAYLOAD_END = 72;
+
+    /**
+     * Constructs an instance
+     *
+     * @param message for link control payload
+     * @param timestamp for the message
+     * @param timeslot where the message was transmitted
+     */
+    public TalkerAliasBlock1(CorrectedBinaryMessage message, long timestamp, int timeslot)
+    {
+        super(message, timestamp, timeslot);
+    }
+
+    /**
+     * Payload fragment carried by the header.
+     * @return payload fragment.
+     */
+    public CorrectedBinaryMessage getPayloadFragment()
+    {
+        return getMessage().getSubMessage(PAYLOAD_START, PAYLOAD_END);
+    }
+
+    @Override
+    public List<Identifier> getIdentifiers()
+    {
+        return Collections.emptyList();
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("FLC TALKER ALIAS BLOCK 1");
+        sb.append(" MSG:").append(getMessage().toHexString());
+        return sb.toString();
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/TalkerAliasBlock2.java

@@ -0,0 +1,70 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.lc.full;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.identifier.Identifier;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Talker alias continuation block 2.
+ */
+public class TalkerAliasBlock2 extends FullLCMessage
+{
+    private static final int PAYLOAD_START = 16;
+    private static final int PAYLOAD_END = 72;
+
+    /**
+     * Constructs an instance
+     *
+     * @param message for link control payload
+     * @param timestamp for the message
+     * @param timeslot where the message was transmitted
+     */
+    public TalkerAliasBlock2(CorrectedBinaryMessage message, long timestamp, int timeslot)
+    {
+        super(message, timestamp, timeslot);
+    }
+
+    /**
+     * Payload fragment carried by the header.
+     * @return payload fragment.
+     */
+    public CorrectedBinaryMessage getPayloadFragment()
+    {
+        return getMessage().getSubMessage(PAYLOAD_START, PAYLOAD_END);
+    }
+
+    @Override
+    public List<Identifier> getIdentifiers()
+    {
+        return Collections.emptyList();
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("FLC TALKER ALIAS BLOCK 2");
+        sb.append(" MSG:").append(getMessage().toHexString());
+        return sb.toString();
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/TalkerAliasBlock3.java

@@ -0,0 +1,70 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.lc.full;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.identifier.Identifier;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Talker alias continuation block 3.
+ */
+public class TalkerAliasBlock3 extends FullLCMessage
+{
+    private static final int PAYLOAD_START = 16;
+    private static final int PAYLOAD_END = 72;
+
+    /**
+     * Constructs an instance
+     *
+     * @param message for link control payload
+     * @param timestamp for the message
+     * @param timeslot where the message was transmitted
+     */
+    public TalkerAliasBlock3(CorrectedBinaryMessage message, long timestamp, int timeslot)
+    {
+        super(message, timestamp, timeslot);
+    }
+
+    /**
+     * Payload fragment carried by the header.
+     * @return payload fragment.
+     */
+    public CorrectedBinaryMessage getPayloadFragment()
+    {
+        return getMessage().getSubMessage(PAYLOAD_START, PAYLOAD_END);
+    }
+
+    @Override
+    public List<Identifier> getIdentifiers()
+    {
+        return Collections.emptyList();
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("FLC TALKER ALIAS BLOCK 3");
+        sb.append(" MSG:").append(getMessage().toHexString());
+        return sb.toString();
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/TalkerAliasComplete.java

@@ -0,0 +1,180 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.lc.full;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.identifier.Identifier;
+import io.github.dsheirer.identifier.alias.DmrTalkerAliasIdentifier;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.LCOpcode;
+import io.github.dsheirer.module.decode.dmr.message.type.TalkerAliasDataFormat;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Complete talker alias assembled from talker alias header and 0 or more talker alias blocks.
+ */
+public class TalkerAliasComplete extends FullLCMessage
+{
+    private static final Logger LOGGER = LoggerFactory.getLogger(TalkerAliasComplete.class);
+
+    private TalkerAliasDataFormat mDataFormat;
+    private int mCharacterCount;
+    private String mAlias;
+    private DmrTalkerAliasIdentifier mTalkerAliasIdentifier;
+
+    /**
+     * Constructs an instance
+     *
+     * @param message for link control payload
+     * @param timestamp for the header
+     * @param timeslot for the header and blocks
+     */
+    public TalkerAliasComplete(CorrectedBinaryMessage message, TalkerAliasDataFormat format, int characterCount,
+                               long timestamp, int timeslot)
+    {
+        super(message, timestamp, timeslot);
+        mDataFormat = format;
+        mCharacterCount = characterCount;
+    }
+
+    @Override
+    public LCOpcode getOpcode()
+    {
+        return LCOpcode.FULL_STANDARD_TALKER_ALIAS_COMPLETE;
+    }
+
+    @Override
+    public int getOpcodeValue()
+    {
+        return getOpcode().getValue();
+    }
+
+    /**
+     * Alias value
+     * @return alias value if it can be decoded or empty string.
+     */
+    public String getAliasValue()
+    {
+        if(mAlias == null)
+        {
+            switch(mDataFormat)
+            {
+                //Note: there are 31 possible 7-bit characters, 27 possible 8-bit characters and 13.5 possible 16-bit
+                //characters.  We check each format to ensure character count is at least one and no more than max.
+                case BIT_7:
+                    if(1 <= mCharacterCount && mCharacterCount <= 31)
+                    {
+                        mAlias = getMessage().parseISO7(0, mCharacterCount);
+                    }
+                    break;
+                case BIT_8:
+                    if(1 <= mCharacterCount && mCharacterCount <= 27)
+                    {
+                        mAlias = getMessage().parseISO8(1, mCharacterCount);
+                    }
+                    break;
+                case UTF_8:
+                    if(1 <= mCharacterCount && mCharacterCount <= 27)
+                    {
+                        try
+                        {
+                            mAlias = getMessage().parseUTF8(1, mCharacterCount);
+                        }
+                        catch(Exception e)
+                        {
+                            LOGGER.info("Error decoding talker alias as UTF-8: " + e.getLocalizedMessage());
+                        }
+                    }
+                    break;
+                case UNICODE_UTF_16_BE:
+                    if(1 <= mCharacterCount && mCharacterCount <= 13)
+                    {
+                        mAlias = getMessage().parseUnicode(1, mCharacterCount);
+                    }
+                    break;
+            }
+
+            //If we couldn't decode, set it to empty so that we don't reprocess every time.
+            if(mAlias == null)
+            {
+                mAlias = "";
+            }
+        }
+
+        return mAlias;
+    }
+
+    /**
+     * Talker Alias identifier.
+     * @return identifier or null if the alias string is null or empty, meaning it could not be decoded.
+     */
+    public DmrTalkerAliasIdentifier getTalkerAliasIdentifier()
+    {
+        if(mTalkerAliasIdentifier == null && getAliasValue() != null && !getAliasValue().isEmpty())
+        {
+            mTalkerAliasIdentifier = DmrTalkerAliasIdentifier.create(getAliasValue());
+        }
+
+        return mTalkerAliasIdentifier;
+    }
+
+    /**
+     * Indicates if the talker alias identifier is non-null.
+     * @return true if non-null.
+     */
+    public boolean hasTalkerAliasIdentifier()
+    {
+        return getTalkerAliasIdentifier() != null;
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("FLC TALKER ALIAS:");
+
+        if(hasTalkerAliasIdentifier())
+        {
+            sb.append(getTalkerAliasIdentifier());
+        }
+        else
+        {
+            sb.append("(empty/error)");
+        }
+
+        return sb.toString();
+    }
+
+    @Override
+    public List<Identifier> getIdentifiers()
+    {
+        if(hasTalkerAliasIdentifier())
+        {
+            List<Identifier> identifiers = new ArrayList<>();
+            identifiers.add(getTalkerAliasIdentifier());
+            return identifiers;
+        }
+
+        return Collections.emptyList();
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/TalkerAliasHeader.java

@@ -0,0 +1,109 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.lc.full;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.identifier.Identifier;
+import io.github.dsheirer.module.decode.dmr.message.type.TalkerAliasDataFormat;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Talker alias header with format and length description and a fragment of the alias data.
+ */
+public class TalkerAliasHeader extends FullLCMessage
+{
+    private static final int[] FORMAT = new int[]{16, 17};
+    private static final int[] LENGTH = new int[]{18, 19, 20, 21, 22};
+    private static final int PAYLOAD_START = 23;
+    private static final int PAYLOAD_END = 72;
+
+    /**
+     * Constructs an instance
+     *
+     * @param message for link control payload
+     * @param timestamp for the message
+     * @param timeslot where the message was transmitted
+     */
+    public TalkerAliasHeader(CorrectedBinaryMessage message, long timestamp, int timeslot)
+    {
+        super(message, timestamp, timeslot);
+    }
+
+    /**
+     * Formatting used for the alias characters.
+     * @return format
+     */
+    public TalkerAliasDataFormat getFormat()
+    {
+        return TalkerAliasDataFormat.fromValue(getMessage().getInt(FORMAT));
+    }
+
+    /**
+     * Length of the alias in characters.
+     * @return length in characters.
+     */
+    public int getCharacterLength()
+    {
+        return getMessage().getInt(LENGTH);
+    }
+
+    /**
+     * Total bit length of the alias characters.
+     */
+    public int getTotalBitLength()
+    {
+        int total = getFormat().getBitsPerCharacter() * getCharacterLength();
+
+        //Max payload bit length is 217 (49 + 56 + 56 + 56)
+        if(total > 217)
+        {
+            return 217;
+        }
+
+        return total;
+    }
+
+    /**
+     * Payload fragment carried by the header.
+     * @return payload fragment.
+     */
+    public CorrectedBinaryMessage getPayloadFragment()
+    {
+        return getMessage().getSubMessage(PAYLOAD_START, PAYLOAD_END);
+    }
+
+    @Override
+    public List<Identifier> getIdentifiers()
+    {
+        return Collections.emptyList();
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("FLC TALKER ALIAS HEADER");
+        sb.append(" FORMAT:").append(getFormat());
+        sb.append(" CHARACTERS:").append(getCharacterLength());
+        sb.append(" MSG:").append(getMessage().toHexString());
+        return sb.toString();
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/motorola/CapacityPlusGroupVoiceChannelUser.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -28,20 +28,22 @@ import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRTalkgroup;
-import io.github.dsheirer.module.decode.dmr.message.data.lc.full.AbstractVoiceChannelUser;
-
 import java.util.ArrayList;
 import java.util.List;
 
 /**
  * Motorola Capacity Plus - Group Voice Channel User
  */
-public class CapacityPlusGroupVoiceChannelUser extends AbstractVoiceChannelUser implements ITimeslotFrequencyReceiver
+public class CapacityPlusGroupVoiceChannelUser extends CapacityPlusVoiceChannelUser implements ITimeslotFrequencyReceiver
 {
-    private static final int[] GROUP_ADDRESS = new int[]{40, 41, 42, 43, 44, 45, 46, 47};
+    private static final int[] CAPACITY_PLUS_GROUP_ADDRESS = new int[]{40, 41, 42, 43, 44, 45, 46, 47};
+    private static final int[] CONVENTIONAL_GROUP_ADDRESS = new int[]{24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
+            36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47};
     private static final int[] VOICE_CHANNEL_REPEATER = new int[]{51, 52, 53, 54};
     private static final int[] VOICE_CHANNEL_TIMESLOT = new int[]{55};
-    private static final int[] SOURCE_ADDRESS = new int[]{56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71};
+    private static final int[] CAPACITY_PLUS_SOURCE_ADDRESS = new int[]{56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71};
+    private static final int[] CONVENTIONAL_SOURCE_ADDRESS = new int[]{48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+            60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71};
     private static final int[] UNKNOWN = new int[]{72, 73, 74, 75, 76, 77, 78, 79};
 
     private RadioIdentifier mRadio;
@@ -69,20 +71,33 @@ public class CapacityPlusGroupVoiceChannelUser extends AbstractVoiceChannelUser
             sb.append("[CRC-ERROR] ");
         }
 
-        sb.append("FLC MOTOROLA CAP+ GROUP VOICE CHANNEL USER FM:");
-        sb.append(getRadio());
-        sb.append(" TO:").append(getTalkgroup());
-        sb.append(" ON CHANNEL:");
-        if(hasVoiceChannel())
+        if(isEncrypted())
         {
-            sb.append(getVoiceChannel());
+            sb.append(" ENCRYPTED");
+        }
+
+        if(isReservedBitSet())
+        {
+            sb.append(" RESERVED-BIT");
+        }
+
+        if(getServiceOptions().isCapacityPlus())
+        {
+            sb.append("FLC MOTOROLA CAP+ GROUP VOICE CHANNEL USER");
         }
         else
         {
-            sb.append("--");
+            sb.append("FLC MOTOROLA CONV/IP SITE GROUP VOICE CHANNEL USER");
+        }
+        sb.append(" FM:").append(getRadio());
+        sb.append(" TO:").append(getTalkgroup());
+
+        if(hasVoiceChannel())
+        {
+            sb.append(" ON CHANNEL:");
+            sb.append(getVoiceChannel());
         }
 
-        sb.append(" UNK:").append(getUnknown());
         sb.append(" ").append(getServiceOptions());
         sb.append(" MSG:").append(getMessage().toHexString());
         return sb.toString();
@@ -119,6 +134,7 @@ public class CapacityPlusGroupVoiceChannelUser extends AbstractVoiceChannelUser
 
     /**
      * Rest timeslot
+     *
      * @return
      */
     public int getVoiceChannelTimeslot()
@@ -131,7 +147,7 @@ public class CapacityPlusGroupVoiceChannelUser extends AbstractVoiceChannelUser
      */
     public boolean hasVoiceChannel()
     {
-        return getVoiceChannelRepeater() != 0;
+        return getServiceOptions().isCapacityPlus() && getVoiceChannelRepeater() != 0;
     }
 
     /**
@@ -141,7 +157,14 @@ public class CapacityPlusGroupVoiceChannelUser extends AbstractVoiceChannelUser
     {
         if(mRadio == null)
         {
-            mRadio = DMRRadio.createFrom(getMessage().getInt(SOURCE_ADDRESS));
+            if(getServiceOptions().isCapacityPlus())
+            {
+                mRadio = DMRRadio.createFrom(getMessage().getInt(CAPACITY_PLUS_SOURCE_ADDRESS));
+            }
+            else
+            {
+                mRadio = DMRRadio.createFrom(getMessage().getInt(CONVENTIONAL_SOURCE_ADDRESS));
+            }
         }
 
         return mRadio;
@@ -154,7 +177,14 @@ public class CapacityPlusGroupVoiceChannelUser extends AbstractVoiceChannelUser
     {
         if(mTalkgroup == null)
         {
-            mTalkgroup = DMRTalkgroup.create(getMessage().getInt(GROUP_ADDRESS));
+            if(getServiceOptions().isCapacityPlus())
+            {
+                mTalkgroup = DMRTalkgroup.create(getMessage().getInt(CAPACITY_PLUS_GROUP_ADDRESS));
+            }
+            else
+            {
+                mTalkgroup = DMRTalkgroup.create(getMessage().getInt(CONVENTIONAL_GROUP_ADDRESS));
+            }
         }
 
         return mTalkgroup;
@@ -189,12 +219,13 @@ public class CapacityPlusGroupVoiceChannelUser extends AbstractVoiceChannelUser
 
     /**
      * Applies the LSN to frequency map to the rest channel.
+     *
      * @param timeslotFrequencies that match the logical timeslots
      */
     @Override
     public void apply(List<TimeslotFrequency> timeslotFrequencies)
     {
-        for(TimeslotFrequency timeslotFrequency: timeslotFrequencies)
+        for(TimeslotFrequency timeslotFrequency : timeslotFrequencies)
         {
             if(getVoiceChannel().getLogicalSlotNumber() == timeslotFrequency.getNumber())
             {

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/motorola/CapacityPlusVoiceChannelUser.java

@@ -0,0 +1,57 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.lc.full.motorola;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.lc.full.FullLCMessage;
+import io.github.dsheirer.module.decode.dmr.message.type.CapacityPlusServiceOptions;
+
+/**
+ * Any Capacity Plus Voice Channel User link control message that contains vendor-specific service options.
+ */
+public abstract class CapacityPlusVoiceChannelUser extends FullLCMessage
+{
+    private static final int[] SERVICE_OPTIONS = new int[]{16, 17, 18, 19, 20, 21, 22, 23};
+
+    private CapacityPlusServiceOptions mServiceOptions;
+
+    /**
+     * Constructs an instance.
+     *
+     * @param message for the link control payload
+     */
+    public CapacityPlusVoiceChannelUser(CorrectedBinaryMessage message, long timestamp, int timeslot)
+    {
+        super(message, timestamp, timeslot);
+    }
+
+    /**
+     * Service options for the call
+     */
+    public CapacityPlusServiceOptions getServiceOptions()
+    {
+        if(mServiceOptions == null)
+        {
+            mServiceOptions = new CapacityPlusServiceOptions(getMessage().getInt(SERVICE_OPTIONS));
+        }
+
+        return mServiceOptions;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/lc/full/motorola/CapacityPlusWideAreaVoiceChannelUser.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -28,22 +28,20 @@ import io.github.dsheirer.module.decode.dmr.channel.ITimeslotFrequencyReceiver;
 import io.github.dsheirer.module.decode.dmr.channel.TimeslotFrequency;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRRadio;
 import io.github.dsheirer.module.decode.dmr.identifier.DMRTalkgroup;
-import io.github.dsheirer.module.decode.dmr.message.data.lc.full.AbstractVoiceChannelUser;
-
 import java.util.ArrayList;
 import java.util.List;
 
 /**
  * Motorola Capacity Plus - Wide Area (Multi-Site) Voice Channel User
  */
-public class CapacityPlusWideAreaVoiceChannelUser extends AbstractVoiceChannelUser implements ITimeslotFrequencyReceiver
+public class CapacityPlusWideAreaVoiceChannelUser extends CapacityPlusVoiceChannelUser implements ITimeslotFrequencyReceiver
 {
     private static final int[] UNKNOWN_1 = new int[]{24, 25, 26, 27, 28, 29, 30, 31};
     private static final int[] GROUP_ADDRESS = new int[]{40, 41, 42, 43, 44, 45, 46, 47};
     private static final int[] REST_REPEATER = new int[]{51, 52, 53, 54};
     private static final int[] REST_TIMESLOT = new int[]{55};
     private static final int[] SOURCE_ADDRESS = new int[]{56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71};
-    private static final int[] UNKNOWN_2 = new int[]{72, 73, 74, 75, 76, 77, 78, 79};
+    private static final int[] UNKNOWN_3 = new int[]{72, 73, 74, 75, 76, 77, 78, 79};
 
     private RadioIdentifier mRadio;
     private TalkgroupIdentifier mTalkgroup;
@@ -70,6 +68,16 @@ public class CapacityPlusWideAreaVoiceChannelUser extends AbstractVoiceChannelUs
             sb.append("[CRC-ERROR] ");
         }
 
+        if(isEncrypted())
+        {
+            sb.append(" *ENCRYPTED*");
+        }
+
+        if(isReservedBitSet())
+        {
+            sb.append(" *RESERVED-BIT*");
+        }
+
         sb.append("FLC MOTOROLA CAP+ WIDE-AREA VOICE CHANNEL USER FM:");
         sb.append(getRadio());
         sb.append(" TO:").append(getTalkgroup());
@@ -102,7 +110,7 @@ public class CapacityPlusWideAreaVoiceChannelUser extends AbstractVoiceChannelUs
      */
     public int getUnknown2()
     {
-        return getMessage().getInt(UNKNOWN_2);
+        return getMessage().getInt(UNKNOWN_3);
     }
 
     /**

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/packet/PacketSequence.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,7 +23,7 @@ import io.github.dsheirer.module.decode.dmr.message.data.block.DataBlock;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.Preamble;
 import io.github.dsheirer.module.decode.dmr.message.data.header.PacketSequenceHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.ProprietaryDataHeader;
-
+import io.github.dsheirer.module.decode.dmr.message.data.header.UDTHeader;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -34,6 +34,7 @@ public class PacketSequence
 {
     private int mTimeslot;
     private PacketSequenceHeader mPacketSequenceHeader;
+    private UDTHeader mUDTHeader;
     private ProprietaryDataHeader mProprietaryDataHeader;
     private List<Preamble> mPreambles = new ArrayList<>();
     private List<DataBlock> mDataBlocks = new ArrayList<>();
@@ -51,7 +52,11 @@ public class PacketSequence
         sb.append(" TS:").append(getTimeslot());
         if(mPacketSequenceHeader != null)
         {
-            sb.append(mPacketSequenceHeader.toString());
+            sb.append(mPacketSequenceHeader);
+        }
+        else if(mUDTHeader != null)
+        {
+            sb.append(mUDTHeader);
         }
         sb.append(" HEADER:").append(hasPacketSequenceHeader());
         sb.append(" PROPRIETARY HEADER:").append(hasProprietaryDataHeader());
@@ -97,6 +102,15 @@ public class PacketSequence
         mPacketSequenceHeader = header;
     }
 
+    /**
+     * Unified Data Transport (UDT) header
+     * @param header for a UDT sequence
+     */
+    public void setUDTHeader(UDTHeader header)
+    {
+        mUDTHeader = header;
+    }
+
     /**
      * Proprietary data header
      */
@@ -138,6 +152,23 @@ public class PacketSequence
         return mPacketSequenceHeader != null;
     }
 
+    /**
+     * UDT header
+     * @return header or null.
+     */
+    public UDTHeader getUDTHeader()
+    {
+        return mUDTHeader;
+    }
+
+    /**
+     * Indicates if this packet sequence has a UDT header
+     */
+    public boolean hasUDTHeader()
+    {
+        return getUDTHeader() != null;
+    }
+
     /**
      * Secondary/Proprietary packet sequence header
      */

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/packet/PacketSequenceAssembler.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2021 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -24,6 +24,7 @@ import io.github.dsheirer.module.decode.dmr.message.data.block.DataBlock;
 import io.github.dsheirer.module.decode.dmr.message.data.csbk.standard.Preamble;
 import io.github.dsheirer.module.decode.dmr.message.data.header.PacketSequenceHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.ProprietaryDataHeader;
+import io.github.dsheirer.module.decode.dmr.message.data.header.UDTHeader;
 import io.github.dsheirer.sample.Listener;
 
 /**
@@ -70,7 +71,7 @@ public class PacketSequenceAssembler
     }
 
     /**
-     * Sets the listener to receive packet packet sequence messages
+     * Sets the listener to receive packet sequence messages
      * @param listener to receive messages
      */
     public void setMessageListener(Listener<IMessage> listener)
@@ -82,11 +83,11 @@ public class PacketSequenceAssembler
      * Dispatches the packet sequence for the specified timeslot and sets the sequence to null.
      * @param timeslot to dispatch
      */
-    private void dispatchPacketSequence(int timeslot)
+    public void dispatchPacketSequence(int timeslot)
     {
         PacketSequence packetSequence = (timeslot == 1 ? mTimeslot1Sequence : mTimeslot2Sequence);
 
-        if(mMessageListener != null && packetSequence != null && packetSequence.isComplete())
+        if(packetSequence != null && mMessageListener != null)
         {
             IMessage message = PacketSequenceMessageFactory.create(packetSequence);
 
@@ -154,6 +155,27 @@ public class PacketSequenceAssembler
         packetSequence.setPacketSequenceHeader(header);
     }
 
+    /**
+     * Process a UDT header.
+     * @param header
+     */
+    public void process(UDTHeader header)
+    {
+        int timeslot = header.getTimeslot();
+
+        PacketSequence packetSequence = getPacketSequence(timeslot);
+
+        //If we already have headers or data blocks for the current sequence, then this is a new sequence
+        if(packetSequence.hasPacketSequenceHeader() || packetSequence.hasProprietaryDataHeader() ||
+                packetSequence.hasDataBlocks())
+        {
+            dispatchPacketSequence(timeslot);
+            packetSequence = getPacketSequence(timeslot);
+        }
+
+        packetSequence.setUDTHeader(header);
+    }
+
     /**
      * Processes a proprietary packet sequence header.
      */

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/packet/PacketSequenceMessageFactory.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -26,6 +26,7 @@ import io.github.dsheirer.module.decode.dmr.message.data.block.DataBlock;
 import io.github.dsheirer.module.decode.dmr.message.data.header.HeaderMessage;
 import io.github.dsheirer.module.decode.dmr.message.data.header.PacketSequenceHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.ProprietaryDataHeader;
+import io.github.dsheirer.module.decode.dmr.message.data.header.UDTHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.hytera.HyteraProprietaryDataHeader;
 import io.github.dsheirer.module.decode.dmr.message.data.header.motorola.MNISProprietaryDataHeader;
 import io.github.dsheirer.module.decode.dmr.message.type.ApplicationType;
@@ -35,11 +36,10 @@ import io.github.dsheirer.module.decode.ip.ipv4.IPV4Header;
 import io.github.dsheirer.module.decode.ip.ipv4.IPV4Packet;
 import io.github.dsheirer.module.decode.ip.lrrp.LRRPPacket;
 import io.github.dsheirer.module.decode.ip.xcmp.XCMPPacket;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.List;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Converts a DMR packet sequence into a message
@@ -55,30 +55,73 @@ public class PacketSequenceMessageFactory
      */
     public static IMessage create(PacketSequence packetSequence)
     {
-        if(packetSequence != null && packetSequence.isComplete())
+        if(packetSequence != null)
         {
-            PacketSequenceHeader primaryHeader = packetSequence.getPacketSequenceHeader();
-            CorrectedBinaryMessage packet = getPacket(packetSequence, primaryHeader.isConfirmedData());
-
-            if(packet != null)
+            if(packetSequence.hasPacketSequenceHeader())
             {
-                switch(primaryHeader.getServiceAccessPoint())
+                PacketSequenceHeader primaryHeader = packetSequence.getPacketSequenceHeader();
+                CorrectedBinaryMessage packet = getPacket(packetSequence, primaryHeader.isConfirmedData());
+
+                if(packet != null)
                 {
-                    case IP_PACKET_DATA:
-                        return createIPPacketData(packetSequence, packet);
-                    case PROPRIETARY_DATA:
-                        return createProprietary(packetSequence, packet);
-                    case SHORT_DATA:
-                        return createDefinedShortData(packetSequence, packet);
-                    default:
-                        mLog.info("Unknown Packet SAP: " + primaryHeader.getServiceAccessPoint() + " - returning unknown packet");
-                        return new DMRPacketMessage(packetSequence, new UnknownPacket(packet, 0), packet,
-                            packetSequence.getTimeslot(), packetSequence.getPacketSequenceHeader().getTimestamp());
+                    switch(primaryHeader.getServiceAccessPoint())
+                    {
+                        case IP_PACKET_DATA:
+                            return createIPPacketData(packetSequence, packet);
+                        case PROPRIETARY_DATA:
+                            return createProprietary(packetSequence, packet);
+                        case SHORT_DATA:
+                            return createDefinedShortData(packetSequence, packet);
+                        default:
+                            mLog.info("Unknown Packet SAP: " + primaryHeader.getServiceAccessPoint() + " - returning unknown packet");
+                            return new DMRPacketMessage(packetSequence, new UnknownPacket(packet, 0), packet,
+                                    packetSequence.getTimeslot(), packetSequence.getPacketSequenceHeader().getTimestamp());
+                    }
+                }
+            }
+            else if(packetSequence.hasUDTHeader() && packetSequence.hasDataBlocks())
+            {
+                UDTHeader header = packetSequence.getUDTHeader();
+                if(header.isShortData())
+                {
+                    CorrectedBinaryMessage payload = getUnconfirmedPayload(packetSequence.getDataBlocks());
+                    return new UDTShortMessageService(header, payload);
                 }
             }
         }
 
-        //TODO: NOTE: Don't create a DMRPacketMessage unless we have a)Packet and b)Packet Sequence Header
+        return null;
+    }
+
+    /**
+     * Assembles the unconfirmed payload bytes from each of the data blocks into a contiguous binary message.
+     * @param dataBlocks to assemble
+     * @return assembled unconfirmed payload.
+     */
+    public static CorrectedBinaryMessage getUnconfirmedPayload(List<DataBlock> dataBlocks)
+    {
+        if(!dataBlocks.isEmpty())
+        {
+            int length = 0;
+
+            List<CorrectedBinaryMessage> fragments = new ArrayList<>();
+            for(DataBlock dataBlock: dataBlocks)
+            {
+                CorrectedBinaryMessage fragment = dataBlock.getUnConfirmedPayload();
+                length += fragment.size();
+                fragments.add(fragment);
+            }
+
+            CorrectedBinaryMessage combined = new CorrectedBinaryMessage(length);
+            int pointer = 0;
+            for(CorrectedBinaryMessage fragment: fragments)
+            {
+                combined.load(pointer, fragment);
+                pointer += fragment.size();
+            }
+
+            return combined;
+        }
 
         return null;
     }

src/main/java/io/github/dsheirer/module/decode/dmr/message/data/packet/UDTShortMessageService.java

@@ -0,0 +1,188 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.data.packet;
+
+import io.github.dsheirer.bits.CorrectedBinaryMessage;
+import io.github.dsheirer.identifier.Identifier;
+import io.github.dsheirer.module.decode.dmr.message.DMRMessage;
+import io.github.dsheirer.module.decode.dmr.message.data.header.UDTHeader;
+import java.util.List;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Short Message Service (SMS) using Unified Data Transport
+ */
+public class UDTShortMessageService extends DMRMessage
+{
+    private static final Logger LOGGER = LoggerFactory.getLogger(UDTShortMessageService.class);
+    private UDTHeader mHeader;
+    private String mSMS;
+
+    /**
+     * Constructs an instance
+     *
+     * @param header for the sequence
+     * @param payload from the data blocks
+     */
+    public UDTShortMessageService(UDTHeader header, CorrectedBinaryMessage payload)
+    {
+        super(payload, header.getTimestamp(), header.getTimeslot());
+        mHeader = header;
+    }
+
+    @Override
+    public List<Identifier> getIdentifiers()
+    {
+        return mHeader.getIdentifiers();
+    }
+
+    @Override
+    public String toString()
+    {
+        StringBuilder sb = new StringBuilder();
+        sb.append("CC:").append(mHeader.getSlotType().getColorCode());
+        sb.append(" SMS MESSAGE:").append(getSMS());
+        sb.append(" FROM:").append(mHeader.getSourceLLID());
+        sb.append(" TO:").append(mHeader.getDestinationLLID());
+        sb.append(" HEX:").append(getMessage().toHexString());
+        return sb.toString();
+    }
+
+    public String getSMS()
+    {
+        if(mSMS == null)
+        {
+            switch(mHeader.getFormat())
+            {
+                case UNICODE_16:
+                    mSMS = parseUnicodePayload();
+                    break;
+                case ASCII_7:
+                    mSMS = parseISO7Payload();
+                    break;
+                case ASCII_8:
+                    mSMS = parseISO8Payload();
+                    break;
+                case BCD_4_BITS:
+                    mSMS = parseBCD4Payload();
+                    break;
+                case BINARY:
+                case MOBILE_SUBSCRIBER_OR_TALKGROUP_ADDRESS:
+                case NMEA_GPS_LOCATION_CODED:
+                case IP_ADDRESS:
+                case VENDOR_PROPRIETARY_8:
+                case VENDOR_PROPRIETARY_9:
+                case MIXED_FORMAT:
+                case UNKNOWN:
+                    LOGGER.warn("Unrecognized UDT Short Data Format: " + mHeader.getFormat() +
+                            " - Please send this to the sdrtrunk developer - Hex:" + getMessage().toHexString() +
+                            " As String:" + new String(getMessage().getBytes()));
+                    mSMS = "Error:" + new String(getMessage().getBytes());
+                    break;
+            }
+        }
+
+        if(mSMS == null)
+        {
+            mSMS = "error - unrecognized format: " + mHeader.getFormat();
+        }
+
+        return mSMS;
+    }
+
+    /**
+     * Parses a unicode 16-bit payload from the message.
+     * @return parsed message
+     */
+    private String parseUnicodePayload()
+    {
+        int length = getMessage().size();
+        length -= (mHeader.getPadNibbleCount() * 4);
+        length -= 16; //Exclude the dangling 32-bit CRC
+        length -= 16; //Exclude the dangling 0x0006 ACKNOWLEDGE character
+
+        if(length > 16)
+        {
+            return getMessage().parseUnicode(0, (length / 16));
+        }
+        else
+        {
+            return "(insufficient data)";
+        }
+    }
+
+    /**
+     * Parses an ISO-7 payload from the message.
+     * @return parsed message
+     */
+    private String parseISO7Payload()
+    {
+        int length = getMessage().size();
+        length -= (mHeader.getPadNibbleCount() * 4);
+
+        if(length > 7)
+        {
+            return getMessage().parseISO7(0, (length / 7));
+        }
+        else
+        {
+            return "(insufficient data)";
+        }
+    }
+
+    /**
+     * Parses an ISO-8 payload from the message.
+     * @return parsed message
+     */
+    private String parseISO8Payload()
+    {
+        int length = getMessage().size();
+        length -= (mHeader.getPadNibbleCount() * 4);
+
+        if(length > 8)
+        {
+            return getMessage().parseISO8(0, (length / 8));
+        }
+        else
+        {
+            return "(insufficient data)";
+        }
+    }
+
+    /**
+     * Parses a BCD 4-bit payload from the message.
+     * @return parsed message
+     */
+    private String parseBCD4Payload()
+    {
+        int length = getMessage().size();
+        length -= (mHeader.getPadNibbleCount() * 4);
+
+        if(length > 4)
+        {
+            return getMessage().parseBCD4(0, (length / 4));
+        }
+        else
+        {
+            return "(insufficient data)";
+        }
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/type/AnnouncementType.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -36,7 +36,7 @@ public enum AnnouncementType
     ADJACENT_SITE_INFORMATION(6, "NEIGHBOR SITE INFORMATION"),
     GENERAL_SITE_INFORMATION(7, "SITE INFORMATION"),
     RESERVED_8(8, "RESERVED 8"),
-    RESERVED_9(9, "RESERVED 8"),
+    RESERVED_9(9, "RESERVED 9"),
     RESERVED_10(10, "RESERVED 10"),
     RESERVED_11(11, "RESERVED 11"),
     RESERVED_12(12, "RESERVED 12"),

src/main/java/io/github/dsheirer/module/decode/dmr/message/type/CapacityPlusServiceOptions.java

@@ -0,0 +1,103 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.type;
+
+import com.google.common.base.Joiner;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Motorola Capacity Plus flavor of service options.  Motorola uses the 2x reserved bits from the default implementation.
+ */
+public class CapacityPlusServiceOptions extends ServiceOptions
+{
+    /**
+     * Constructs an instance
+     *
+     * @param value of the service options bitmap
+     */
+    public CapacityPlusServiceOptions(int value)
+    {
+        super(value);
+    }
+
+    /**
+     * Reserved bit 1 is used to signal if the system is IP Site Connect or Conventional (true) or Capacity Plus (false).
+     * @return
+     */
+    public boolean isCapacityPlus()
+    {
+        return !isReserved1();
+    }
+
+    /**
+     * Indicates if the transmission is interruptible.
+     * @return true if interruptible.
+     */
+    public boolean isInterruptible()
+    {
+        return isReserved2();
+    }
+
+    @Override
+    public String toString()
+    {
+        List<String> flags = new ArrayList<>();
+
+        if(isEmergency())
+        {
+            flags.add("EMERGENCY");
+        }
+
+        if(isEncrypted())
+        {
+            flags.add("ENCRYPTED");
+        }
+
+        if(isBroadcastService())
+        {
+            flags.add("BROADCAST");
+        }
+
+        if(isOpenVoiceCallMode())
+        {
+            flags.add("OVCM");
+        }
+
+        if(isInterruptible())
+        {
+            flags.add("TXI CALL");
+        }
+
+        if(getPriority() > 0)
+        {
+            flags.add("PRIORITY-" + getPriority());
+        }
+
+        StringBuilder sb = new StringBuilder();
+        sb.append("SERVICE OPTIONS [");
+        if(!flags.isEmpty())
+        {
+            sb.append(Joiner.on(",").join(flags));
+        }
+        sb.append("]");
+        return sb.toString();
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/type/ServiceOptions.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -20,7 +20,6 @@
 package io.github.dsheirer.module.decode.dmr.message.type;
 
 import com.google.common.base.Joiner;
-
 import java.util.ArrayList;
 import java.util.List;
 
@@ -31,6 +30,8 @@ public class ServiceOptions
 {
     private static final int EMERGENCY_MASK = 0x80;
     private static final int ENCRYPTION_MASK = 0x40;
+    private static final int RESERVED_1 = 0x20;
+    private static final int RESERVED_2 = 0x10;
     private static final int BROADCAST_SERVICE_MASK = 0x8;
     private static final int OPEN_VOICE_CALL_MODE_MASK = 0x4;
     private static final int PRIORITY_MASK = 0x3;
@@ -77,6 +78,24 @@ public class ServiceOptions
         return isSet(OPEN_VOICE_CALL_MODE_MASK);
     }
 
+    /**
+     * Indicates if Reserved 1 bit is set
+     * @return true if set
+     */
+    public boolean isReserved1()
+    {
+        return isSet(RESERVED_1);
+    }
+
+    /**
+     * Indicates if Reserved 2 bit is set
+     * @return true if set
+     */
+    public boolean isReserved2()
+    {
+        return isSet(RESERVED_2);
+    }
+
     /**
      * Priority of the communication
      * @return priority 0-3, 0 = lowest/routine, 3 = highest
@@ -119,6 +138,16 @@ public class ServiceOptions
             flags.add("OVCM");
         }
 
+        if(isReserved1())
+        {
+            flags.add("RSVD1");
+        }
+
+        if(isReserved2())
+        {
+            flags.add("RSVD2");
+        }
+
         if(getPriority() > 0)
         {
             flags.add("PRIORITY-" + getPriority());

src/main/java/io/github/dsheirer/module/decode/dmr/message/type/TalkerAliasDataFormat.java

@@ -0,0 +1,87 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.module.decode.dmr.message.type;
+
+/**
+ * Enumeration of talker alias data formatting options.
+ *
+ * ETSI 102 361-2 v2.4.1 paragraph 7.2.18
+ */
+public enum TalkerAliasDataFormat
+{
+    BIT_7(0, 7, "ASCII-7"),
+    BIT_8(1, 8, "ASCII-8"),
+    UTF_8(2, 8, "UTF-8"),
+    UNICODE_UTF_16_BE(3, 16, "UNICODE-16");
+
+    private int mValue;
+    private int mBitsPerCharacter;
+    private String mLabel;
+
+    /**
+     * Constructs an instance
+     * @param value ordinal
+     */
+    TalkerAliasDataFormat(int value, int bitsPerCharacter, String label)
+    {
+        mValue = value;
+        mBitsPerCharacter = bitsPerCharacter;
+        mLabel = label;
+    }
+
+    /**
+     * Ordinal value of the format
+     * @return ordinal value.
+     */
+    public int getValue()
+    {
+        return mValue;
+    }
+
+    /**
+     * Number of bits per character for the format.
+     * @return bits per character
+     */
+    public int getBitsPerCharacter()
+    {
+        return mBitsPerCharacter;
+    }
+
+    /**
+     * Lookup the format from the ordinal value.
+     * @param value to lookup in range 0-3
+     * @return format for the value.
+     */
+    public static TalkerAliasDataFormat fromValue(int value)
+    {
+        if(value < 0 || value > 3)
+        {
+            throw new IllegalArgumentException("Invalid value - out of range (0-3): " + value);
+        }
+
+        return TalkerAliasDataFormat.values()[value];
+    }
+
+    @Override
+    public String toString()
+    {
+        return mLabel;
+    }
+}

src/main/java/io/github/dsheirer/module/decode/dmr/message/voice/VoiceAMessage.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,7 +23,6 @@ import io.github.dsheirer.bits.CorrectedBinaryMessage;
 import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.module.decode.dmr.DMRSyncPattern;
 import io.github.dsheirer.module.decode.dmr.message.CACH;
-
 import java.util.Collections;
 import java.util.List;
 
@@ -55,7 +54,7 @@ public class VoiceAMessage extends VoiceMessage
         }
         else
         {
-            sb.append("     ").append(getSyncPattern());
+            sb.append("CC:- ").append(getSyncPattern());
         }
 
         return sb.toString();

src/main/java/io/github/dsheirer/module/decode/event/DecodeEventModel.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2022 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 package io.github.dsheirer.module.decode.event;
 
@@ -30,13 +27,13 @@ import io.github.dsheirer.module.decode.event.filter.DecodeEventFilterSet;
 import io.github.dsheirer.module.decode.event.filter.EventFilterProvider;
 import io.github.dsheirer.preference.PreferenceType;
 import io.github.dsheirer.sample.Listener;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import javax.swing.table.AbstractTableModel;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
 
 public class DecodeEventModel extends AbstractTableModel implements Listener<IDecodeEvent>, EventFilterProvider<IDecodeEvent>
 {
@@ -149,10 +146,12 @@ public class DecodeEventModel extends AbstractTableModel implements Listener<IDe
      */
     public void receive(final IDecodeEvent event)
     {
-        if (!mEventFilterSet.passes(event))
-        {
-            return;
-        }
+        //Disabled until #1368 decode event is fully implemented
+//        if (!mEventFilterSet.passes(event))
+//        {
+//            return;
+//        }
+
         if(!mEvents.contains(event))
         {
             mEvents.add(0, event);

src/main/java/io/github/dsheirer/module/decode/event/DecodeEventPanel.java

@@ -1,23 +1,20 @@
 /*
+ * *****************************************************************************
+ * Copyright (C) 2014-2022 Dennis Sheirer
  *
- *  * ******************************************************************************
- *  * Copyright (C) 2014-2019 Dennis Sheirer
- *  *
- *  * This program is free software: you can redistribute it and/or modify
- *  * it under the terms of the GNU General Public License as published by
- *  * the Free Software Foundation, either version 3 of the License, or
- *  * (at your option) any later version.
- *  *
- *  * This program is distributed in the hope that it will be useful,
- *  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  * GNU General Public License for more details.
- *  *
- *  * You should have received a copy of the GNU General Public License
- *  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- *  * *****************************************************************************
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
  *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
  *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
  */
 package io.github.dsheirer.module.decode.event;
 
@@ -44,18 +41,24 @@ import io.github.dsheirer.preference.PreferenceType;
 import io.github.dsheirer.preference.UserPreferences;
 import io.github.dsheirer.preference.swing.JTableColumnWidthMonitor;
 import io.github.dsheirer.sample.Listener;
-import net.miginfocom.swing.MigLayout;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import javax.swing.*;
-import javax.swing.table.DefaultTableCellRenderer;
-import java.awt.*;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.EventQueue;
 import java.text.DecimalFormat;
 import java.text.SimpleDateFormat;
 import java.util.Collections;
 import java.util.Date;
 import java.util.List;
+import net.miginfocom.swing.MigLayout;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.swing.ImageIcon;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTable;
+import javax.swing.table.DefaultTableCellRenderer;
 
 public class DecodeEventPanel extends JPanel implements Listener<ProcessingChain>
 {
@@ -94,7 +97,8 @@ public class DecodeEventPanel extends JPanel implements Listener<ProcessingChain
         mTableColumnWidthMonitor = new JTableColumnWidthMonitor(mUserPreferences, mTable, TABLE_PREFERENCE_KEY);
         updateCellRenderers();
 
-        add(mEventManagementPanel, "span,growx");
+        //Disabled until #1368 decode event is fully implemented
+//        add(mEventManagementPanel, "span,growx");
 
         mEmptyScroller = new JScrollPane(mTable);
         add(mEmptyScroller);

src/main/java/io/github/dsheirer/module/decode/event/DecodeEventType.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.event;
@@ -50,6 +49,7 @@ public enum DecodeEventType
     EMERGENCY("EMERGENCY"),
     FUNCTION("Function"),
     GPS("GPS"),
+    ICMP_PACKET("ICMP Packet"),
     ID_ANI("ANI"),
     ID_UNIQUE("Unique ID"),
     IP_PACKET("IP Packet"),
@@ -63,9 +63,11 @@ public enum DecodeEventType
     RESPONSE("Response"),
     RESPONSE_PACKET("Response Packet"),
     SDM("Short Data Message"),
+    SMS("SMS"),
     STATION_ID("Station ID"),
     STATUS("Status"),
     UDP_PACKET("UDP/IP Packet"),
+    UNKNOWN_PACKET("Unknown Packet"),
     UNKNOWN("Unknown");
 
     private String mLabel;

src/main/java/io/github/dsheirer/module/decode/ip/ars/DeviceRegistration.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.ip.ars;
@@ -25,11 +24,10 @@ import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.module.decode.ip.ars.identifier.ARSDevice;
 import io.github.dsheirer.module.decode.ip.ars.identifier.ARSPassword;
 import io.github.dsheirer.module.decode.ip.ars.identifier.ARSUser;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.List;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Automatic Registration Service - Device Registration
@@ -176,7 +174,7 @@ public class DeviceRegistration extends ARSHeader
 
         pointer += 8;
 
-        if(deviceIdentifierSize > 0)
+        if(deviceIdentifierSize > 0 && deviceIdentifierSize < 8)
         {
             StringBuilder sb = new StringBuilder();
 
@@ -186,21 +184,13 @@ public class DeviceRegistration extends ARSHeader
                 pointer += 8;
             }
 
-            try
-            {
-                int device = Integer.parseInt(sb.toString());
-                mDevice = ARSDevice.createFrom(device);
-            }
-            catch(Exception e)
-            {
-                mLog.error("Error parsing ARS device identifier from value [" + sb.toString() + "]");
-            }
+            mDevice = ARSDevice.createFrom(sb.toString());
         }
 
         int userIdentifierSize = getMessage().getInt(BYTE_VALUE, pointer);
         pointer += 8;
 
-        if(userIdentifierSize > 0)
+        if(userIdentifierSize > 0 && userIdentifierSize < 8)
         {
             StringBuilder sb = new StringBuilder();
 
@@ -216,7 +206,7 @@ public class DeviceRegistration extends ARSHeader
         int passwordSize = getMessage().getInt(BYTE_VALUE, pointer);
         pointer += 8;
 
-        if(passwordSize > 0)
+        if(passwordSize > 0 && passwordSize < 8)
         {
             StringBuilder sb = new StringBuilder();
 

src/main/java/io/github/dsheirer/module/decode/ip/ars/UserRegistration.java

@@ -1,7 +1,6 @@
 /*
- * ******************************************************************************
- * sdrtrunk
- * Copyright (C) 2014-2018 Dennis Sheirer
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,7 +14,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>
- * *****************************************************************************
+ * ****************************************************************************
  */
 
 package io.github.dsheirer.module.decode.ip.ars;
@@ -25,11 +24,10 @@ import io.github.dsheirer.identifier.Identifier;
 import io.github.dsheirer.module.decode.ip.ars.identifier.ARSDevice;
 import io.github.dsheirer.module.decode.ip.ars.identifier.ARSPassword;
 import io.github.dsheirer.module.decode.ip.ars.identifier.ARSUser;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.List;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class UserRegistration extends ARSHeader
 {
@@ -108,7 +106,7 @@ public class UserRegistration extends ARSHeader
 
         pointer += 8;
 
-        if(deviceIdentifierSize > 0)
+        if(deviceIdentifierSize > 0 && deviceIdentifierSize < 8)
         {
             StringBuilder sb = new StringBuilder();
 
@@ -118,22 +116,13 @@ public class UserRegistration extends ARSHeader
                 pointer += 8;
             }
 
-            try
-            {
-                int device = Integer.parseInt(sb.toString());
-                mDevice = ARSDevice.createFrom(device);
-            }
-            catch(Exception e)
-            {
-                //Abort processing
-                return;
-            }
+            mDevice = ARSDevice.createFrom(sb.toString());
         }
 
         int userIdentifierSize = getMessage().getInt(BYTE_VALUE, pointer);
         pointer += 8;
 
-        if(userIdentifierSize > 0)
+        if(userIdentifierSize > 0 && deviceIdentifierSize < 8)
         {
             StringBuilder sb = new StringBuilder();
 
@@ -149,7 +138,7 @@ public class UserRegistration extends ARSHeader
         int passwordSize = getMessage().getInt(BYTE_VALUE, pointer);
         pointer += 8;
 
-        if(passwordSize > 0)
+        if(passwordSize > 0 && passwordSize < 8)
         {
             StringBuilder sb = new StringBuilder();
 

src/main/java/io/github/dsheirer/module/decode/ip/ars/identifier/ARSDevice.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- *  Copyright (C) 2014-2020 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,20 +22,20 @@ package io.github.dsheirer.module.decode.ip.ars.identifier;
 import io.github.dsheirer.identifier.Form;
 import io.github.dsheirer.identifier.IdentifierClass;
 import io.github.dsheirer.identifier.Role;
-import io.github.dsheirer.identifier.integer.IntegerIdentifier;
+import io.github.dsheirer.identifier.string.StringIdentifier;
 import io.github.dsheirer.protocol.Protocol;
 
 /**
  * Automatic Registration Service - Device Identifier
  */
-public class ARSDevice extends IntegerIdentifier
+public class ARSDevice extends StringIdentifier
 {
     /**
      * Constructs an instance
      * @param value of the device identifier
      * @param role of the device (TO/FROM)
      */
-    public ARSDevice(int value, Role role)
+    public ARSDevice(String value, Role role)
     {
         super(value, IdentifierClass.USER, Form.ARS_DEVICE, role);
     }
@@ -49,7 +49,7 @@ public class ARSDevice extends IntegerIdentifier
     /**
      * Creates an ARS device with a FROM role
      */
-    public static ARSDevice createFrom(int value)
+    public static ARSDevice createFrom(String value)
     {
         return new ARSDevice(value, Role.FROM);
     }
@@ -57,7 +57,7 @@ public class ARSDevice extends IntegerIdentifier
     /**
      * Creates an ARS device with a TO role
      */
-    public static ARSDevice createTo(int value)
+    public static ARSDevice createTo(String value)
     {
         return new ARSDevice(value, Role.TO);
     }

src/main/java/io/github/dsheirer/module/decode/p25/phase1/P25P1DecoderState.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -43,8 +43,10 @@ import io.github.dsheirer.module.decode.event.DecodeEvent;
 import io.github.dsheirer.module.decode.event.DecodeEventType;
 import io.github.dsheirer.module.decode.event.PlottableDecodeEvent;
 import io.github.dsheirer.module.decode.ip.IPacket;
+import io.github.dsheirer.module.decode.ip.UnknownPacket;
 import io.github.dsheirer.module.decode.ip.ars.ARSPacket;
 import io.github.dsheirer.module.decode.ip.cellocator.MCGPPacket;
+import io.github.dsheirer.module.decode.ip.icmp.ICMPPacket;
 import io.github.dsheirer.module.decode.ip.ipv4.IPV4Packet;
 import io.github.dsheirer.module.decode.ip.lrrp.LRRPPacket;
 import io.github.dsheirer.module.decode.ip.udp.UDPPacket;
@@ -87,7 +89,6 @@ import io.github.dsheirer.module.decode.p25.phase1.message.pdu.ambtc.osp.AMBTCUn
 import io.github.dsheirer.module.decode.p25.phase1.message.pdu.ambtc.osp.AMBTCUnitToUnitVoiceServiceChannelGrant;
 import io.github.dsheirer.module.decode.p25.phase1.message.pdu.ambtc.osp.AMBTCUnitToUnitVoiceServiceChannelGrantUpdate;
 import io.github.dsheirer.module.decode.p25.phase1.message.pdu.packet.PacketMessage;
-import io.github.dsheirer.module.decode.p25.phase1.message.pdu.packet.sndcp.SNDCPMessage;
 import io.github.dsheirer.module.decode.p25.phase1.message.pdu.packet.sndcp.SNDCPPacketMessage;
 import io.github.dsheirer.module.decode.p25.phase1.message.pdu.umbtc.isp.UMBTCTelephoneInterconnectRequestExplicitDialing;
 import io.github.dsheirer.module.decode.p25.phase1.message.tdu.TDULinkControlMessage;
@@ -139,12 +140,11 @@ import io.github.dsheirer.module.decode.p25.reference.ServiceOptions;
 import io.github.dsheirer.protocol.Protocol;
 import io.github.dsheirer.sample.Listener;
 import io.github.dsheirer.util.PacketUtil;
+import java.util.List;
 import org.jdesktop.swingx.mapviewer.GeoPosition;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.List;
-
 /**
  * Decoder state for an APCO25 channel.  Maintains the call/data/idle state of the channel and produces events by
  * monitoring the decoded message stream.
@@ -877,12 +877,12 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
 
         if(message instanceof SNDCPPacketMessage)
         {
-            SNDCPPacketMessage sndcp = (SNDCPPacketMessage)message;
+            SNDCPPacketMessage sndcp = (SNDCPPacketMessage) message;
             getIdentifierCollection().update(sndcp.getIdentifiers());
         }
         else if(message instanceof PacketMessage)
         {
-            PacketMessage packetMessage = (PacketMessage)message;
+            PacketMessage packetMessage = (PacketMessage) message;
             getIdentifierCollection().remove(IdentifierClass.USER);
             getIdentifierCollection().update(packetMessage.getIdentifiers());
 
@@ -890,41 +890,41 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
 
             if(packet instanceof IPV4Packet)
             {
-                IPV4Packet ipv4 = (IPV4Packet)packet;
+                IPV4Packet ipv4 = (IPV4Packet) packet;
 
                 IPacket ipPayload = ipv4.getPayload();
 
                 if(ipPayload instanceof UDPPacket)
                 {
-                    UDPPacket udpPacket = (UDPPacket)ipPayload;
+                    UDPPacket udpPacket = (UDPPacket) ipPayload;
 
                     IPacket udpPayload = udpPacket.getPayload();
 
                     if(udpPayload instanceof ARSPacket)
                     {
-                        ARSPacket arsPacket = (ARSPacket)udpPayload;
+                        ARSPacket arsPacket = (ARSPacket) udpPayload;
 
                         MutableIdentifierCollection ic = new MutableIdentifierCollection(getIdentifierCollection().getIdentifiers());
-                        for(Identifier identifier: packet.getIdentifiers())
+                        for(Identifier identifier : packet.getIdentifiers())
                         {
                             ic.update(identifier);
                         }
 
                         DecodeEvent packetEvent = P25DecodeEvent.builder(message.getTimestamp())
-                            .channel(getCurrentChannel())
-                            .eventDescription(DecodeEventType.AUTOMATIC_REGISTRATION_SERVICE.toString())
-                            .identifiers(ic)
-                            .details(arsPacket.toString() + " " + ipv4.toString())
-                            .build();
+                                .channel(getCurrentChannel())
+                                .eventDescription(DecodeEventType.AUTOMATIC_REGISTRATION_SERVICE.toString())
+                                .identifiers(ic)
+                                .details(arsPacket.toString() + " " + ipv4.toString())
+                                .build();
 
                         broadcast(packetEvent);
                     }
                     else if(udpPayload instanceof MCGPPacket)
                     {
-                        MCGPPacket mcgpPacket = (MCGPPacket)udpPayload;
+                        MCGPPacket mcgpPacket = (MCGPPacket) udpPayload;
 
                         MutableIdentifierCollection ic = new MutableIdentifierCollection(getIdentifierCollection().getIdentifiers());
-                        for(Identifier identifier: packet.getIdentifiers())
+                        for(Identifier identifier : packet.getIdentifiers())
                         {
                             ic.update(identifier);
                         }
@@ -954,7 +954,7 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
 
                         GeoPosition geoPosition = PacketUtil.extractGeoPosition(lrrpPacket);
 
-                        if (geoPosition != null)
+                        if(geoPosition != null)
                         {
                             PlottableDecodeEvent plottableDecodeEvent = PlottableDecodeEvent.plottableBuilder(message.getTimestamp())
                                     .channel(getCurrentChannel())
@@ -970,21 +970,72 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
                     else
                     {
                         MutableIdentifierCollection ic = new MutableIdentifierCollection(getIdentifierCollection().getIdentifiers());
-                        for(Identifier identifier: packet.getIdentifiers())
+                        for(Identifier identifier : packet.getIdentifiers())
                         {
                             ic.update(identifier);
                         }
 
                         DecodeEvent packetEvent = P25DecodeEvent.builder(message.getTimestamp())
-                            .channel(getCurrentChannel())
-                            .eventDescription(DecodeEventType.UDP_PACKET.toString())
-                            .identifiers(ic)
-                            .details(ipv4.toString())
-                            .build();
+                                .channel(getCurrentChannel())
+                                .eventDescription(DecodeEventType.UDP_PACKET.toString())
+                                .identifiers(ic)
+                                .details(ipv4.toString())
+                                .build();
 
                         broadcast(packetEvent);
                     }
                 }
+                else if(ipPayload instanceof ICMPPacket)
+                {
+                    MutableIdentifierCollection ic = new MutableIdentifierCollection(getIdentifierCollection().getIdentifiers());
+                    for(Identifier identifier : packet.getIdentifiers())
+                    {
+                        ic.update(identifier);
+                    }
+
+                    DecodeEvent packetEvent = P25DecodeEvent.builder(message.getTimestamp())
+                            .channel(getCurrentChannel())
+                            .eventDescription(DecodeEventType.ICMP_PACKET.toString())
+                            .identifiers(ic)
+                            .details(ipv4.toString())
+                            .build();
+
+                    broadcast(packetEvent);
+                }
+                else
+                {
+                    MutableIdentifierCollection ic = new MutableIdentifierCollection(getIdentifierCollection().getIdentifiers());
+                    for(Identifier identifier : packet.getIdentifiers())
+                    {
+                        ic.update(identifier);
+                    }
+
+                    DecodeEvent packetEvent = P25DecodeEvent.builder(message.getTimestamp())
+                            .channel(getCurrentChannel())
+                            .eventDescription(DecodeEventType.IP_PACKET.toString())
+                            .identifiers(ic)
+                            .details(ipv4.toString())
+                            .build();
+
+                    broadcast(packetEvent);
+                }
+            }
+            else if(packet instanceof UnknownPacket)
+            {
+                MutableIdentifierCollection ic = new MutableIdentifierCollection(getIdentifierCollection().getIdentifiers());
+                for(Identifier identifier : packet.getIdentifiers())
+                {
+                    ic.update(identifier);
+                }
+
+                DecodeEvent packetEvent = P25DecodeEvent.builder(message.getTimestamp())
+                        .channel(getCurrentChannel())
+                        .eventDescription(DecodeEventType.UNKNOWN_PACKET.toString())
+                        .identifiers(ic)
+                        .details(packet.toString())
+                        .build();
+
+                broadcast(packetEvent);
             }
         }
     }
@@ -992,18 +1043,14 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
     /**
      * Sub-Network Dependent Convergence Protocol (SNDCP)
      *
-     * @param message
+     * @param message to process
      */
     private void processSNDCP(P25Message message)
     {
         broadcast(new DecoderStateEvent(this, Event.DECODE, State.DATA));
 
-        if(message.isValid() && message instanceof SNDCPPacketMessage)
+        if(message.isValid() && message instanceof SNDCPPacketMessage sndcpPacket)
         {
-            SNDCPPacketMessage sndcpPacket = (SNDCPPacketMessage)message;
-
-            SNDCPMessage sndcpMessage = sndcpPacket.getSNDCPMessage();
-
             MutableIdentifierCollection ic = getMutableIdentifierCollection(sndcpPacket.getIdentifiers());
 
             switch(sndcpPacket.getSNDCPPacketHeader().getPDUType())

src/main/java/io/github/dsheirer/preference/mp3/MP3Preference.java

@@ -116,6 +116,24 @@ public class MP3Preference extends Preference
             {
                 mInputAudioFormat = InputAudioFormat.getDefault();
             }
+
+            //Ensure the input sample rate is supported by the MP3 setting, or change it to the first supported rate.
+            MP3Setting setting = getMP3Setting();
+
+            if(!setting.getSupportedSampleRates().contains(mInputAudioFormat))
+            {
+                InputAudioFormat supportedAudioFormat = InputAudioFormat.getDefault();
+
+                //Default should always be supported by all mp3 settings, but fall-back to a supported rate if not.
+                if(!setting.getSupportedSampleRates().contains(supportedAudioFormat))
+                {
+                    supportedAudioFormat = setting.getSupportedSampleRates().get(0);
+                }
+
+                mLog.warn("MP3 Setting [" + setting + "] does not support input sample rate [" + getAudioSampleRate().name() +
+                        "] - updating to supported sample rate [" + supportedAudioFormat.name() + "]");
+                setAudioSampleRate(supportedAudioFormat);
+            }
         }
 
         return mInputAudioFormat;

src/main/java/io/github/dsheirer/record/binary/BinaryReader.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -18,9 +18,6 @@
  */
 package io.github.dsheirer.record.binary;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.io.BufferedInputStream;
 import java.io.FileInputStream;
 import java.io.IOException;
@@ -29,6 +26,8 @@ import java.nio.ByteBuffer;
 import java.nio.file.Path;
 import java.util.Arrays;
 import java.util.Iterator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class BinaryReader implements Iterator<ByteBuffer>, AutoCloseable
 {
@@ -94,7 +93,7 @@ public class BinaryReader implements Iterator<ByteBuffer>, AutoCloseable
             byte[] readBytes = new byte[mBufferSize];
             int bytesRead = mInputStream.read(readBytes);
 
-            if(bytesRead < readBytes.length)
+            if(bytesRead < readBytes.length && bytesRead > 0)
             {
                 readBytes = Arrays.copyOf(readBytes, bytesRead);
             }

src/main/java/io/github/dsheirer/sample/complex/ComplexSamplesToNativeBufferModule.java

@@ -0,0 +1,90 @@
+/*
+ * *****************************************************************************
+ * Copyright (C) 2014-2023 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ * ****************************************************************************
+ */
+
+package io.github.dsheirer.sample.complex;
+
+import io.github.dsheirer.buffer.INativeBuffer;
+import io.github.dsheirer.module.Module;
+import io.github.dsheirer.sample.Listener;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Simple module that can be added live to a processing chain to tap into the stream of ComplexSamples buffers and
+ * convert them to INativeBuffers for relay to a registered native buffer listener.
+ */
+public class ComplexSamplesToNativeBufferModule extends Module implements IComplexSamplesListener, Listener<ComplexSamples>
+{
+    private static final Logger mLog = LoggerFactory.getLogger(ComplexSamplesToNativeBufferModule.class);
+    private Listener<INativeBuffer> mNativeBufferListener;
+
+    public ComplexSamplesToNativeBufferModule()
+    {
+    }
+
+    @Override
+    public Listener<ComplexSamples> getComplexSamplesListener()
+    {
+        return this;
+    }
+
+    /**
+     * Primary receive method to process complex samples buffer by wrapping with a native buffer adapter and sending
+     * to the registered listener.
+     *
+     * Note: this method is synchronized to ensure that multiple calling threads don't step on each other.
+     *
+     * @param complexSamples to process and relay.
+     */
+    @Override
+    public synchronized void receive(ComplexSamples complexSamples)
+    {
+        if(mNativeBufferListener != null)
+        {
+            mNativeBufferListener.receive(new ComplexSamplesNativeBufferAdapter(complexSamples));
+        }
+    }
+
+    /**
+     * Registers the listener to receive native buffers.
+     * @param listener to register
+     */
+    public void setListener(Listener<INativeBuffer> listener)
+    {
+        mNativeBufferListener = listener;
+    }
+
+    /**
+     * Unregisters a listener from receiving native buffers.
+     */
+    public void removeListener()
+    {
+        mNativeBufferListener = null;
+    }
+
+    @Override
+    public void reset() {}
+
+    @Override
+    public void start() {}
+
+    @Override
+    public void stop() {}
+
+}

src/main/java/io/github/dsheirer/source/SourceEvent.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -29,6 +29,7 @@ public class SourceEvent
     public enum Event
     {
         NOTIFICATION_CHANNEL_COUNT_CHANGE,
+        NOTIFICATION_CHANNEL_FREQUENCY_CORRECTION,
         NOTIFICATION_CHANNEL_FREQUENCY_CORRECTION_CHANGE,
         NOTIFICATION_CHANNEL_POWER,
         NOTIFICATION_CHANNEL_SAMPLE_RATE_CHANGE,
@@ -40,6 +41,7 @@ public class SourceEvent
         NOTIFICATION_FREQUENCY_ROTATION_FAILURE,
         NOTIFICATION_MEASURED_FREQUENCY_ERROR,
         NOTIFICATION_MEASURED_FREQUENCY_ERROR_SYNC_LOCKED,
+        NOTIFICATION_PLL_FREQUENCY,
         NOTIFICATION_RECORDING_FILE_LOADED,
         NOTIFICATION_SAMPLE_RATE_CHANGE,
         NOTIFICATION_SQUELCH_THRESHOLD,
@@ -47,7 +49,6 @@ public class SourceEvent
         NOTIFICATION_TUNER_SHUTDOWN,
         NOTIFICATION_ERROR_STATE,
 
-        REQUEST_CHANNEL_FREQUENCY_CORRECTION_CHANGE,
         REQUEST_FREQUENCY_CHANGE,
         REQUEST_FREQUENCY_ROTATION,
         REQUEST_FREQUENCY_SELECTION,
@@ -242,13 +243,13 @@ public class SourceEvent
     }
 
     /**
-     * Creates a new channel frequency correction change event
+     * Creates a new PLL frequency error measurement notification event.
      *
-     * @param frequencyCorrection in hertz
+     * @param frequencyError in hertz
      */
-    public static SourceEvent channelFrequencyCorrectionChange(long frequencyCorrection)
+    public static SourceEvent pllFrequencyMeasurement(long frequencyError)
     {
-        return new SourceEvent(Event.NOTIFICATION_CHANNEL_FREQUENCY_CORRECTION_CHANGE, frequencyCorrection);
+        return new SourceEvent(Event.NOTIFICATION_PLL_FREQUENCY, frequencyError);
     }
 
     /**
@@ -332,16 +333,6 @@ public class SourceEvent
         return new SourceEvent(Event.REQUEST_FREQUENCY_CHANGE, frequency);
     }
 
-    /**
-     * Creates a new channel frequency correction change request event
-     *
-     * @param frequency requested
-     */
-    public static SourceEvent channelFrequencyCorrectionRequest(long frequency)
-    {
-        return new SourceEvent(Event.REQUEST_CHANNEL_FREQUENCY_CORRECTION_CHANGE, frequency);
-    }
-
     /**
      * Creates a new start sample stream request event.  This method uses the current system time in
      * milliseconds as the requested sample start time.

src/main/java/io/github/dsheirer/source/tuner/channel/HalfBandTunerChannelSource.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -50,9 +50,7 @@ public class HalfBandTunerChannelSource<T extends INativeBuffer> extends TunerCh
     private IRealDecimationFilter mIDecimationFilter;
     private IRealDecimationFilter mQDecimationFilter;
     private double mChannelSampleRate;
-    private long mChannelFrequencyCorrection = 0;
     private long mTunerFrequency;
-    private Listener<ComplexSamples> mListener;
     private StreamProcessorWithHeartbeat<ComplexSamples> mStreamHeartbeatProcessor;
 
     /**
@@ -131,38 +129,25 @@ public class HalfBandTunerChannelSource<T extends INativeBuffer> extends TunerCh
         updateMixerFrequencyOffset();
     }
 
-    /**
-     * Current frequency correction being applied to the channel sample stream
-     *
-     * @return correction in hertz
-     */
-    public long getFrequencyCorrection()
-    {
-        return mChannelFrequencyCorrection;
-    }
-
-    /**
-     * Changes the frequency correction value and broadcasts the change to the registered downstream listener.
-     *
-     * @param correction current frequency correction value.
-     */
-    public void setFrequencyCorrection(long correction)
-    {
-        mChannelFrequencyCorrection = correction;
-        updateMixerFrequencyOffset();
-        broadcastConsumerSourceEvent(SourceEvent.frequencyCorrectionChange(mChannelFrequencyCorrection));
-    }
-
     /**
      * Calculates the local mixer frequency offset from the tuned frequency,
      * channel's requested frequency, and channel frequency correction.
      */
     private void updateMixerFrequencyOffset()
     {
-        long offset = mTunerFrequency - getTunerChannel().getFrequency() - mChannelFrequencyCorrection;
+        long offset = mTunerFrequency - getTunerChannel().getFrequency();
         mFrequencyCorrectionMixer.setFrequency(offset);
     }
 
+    /**
+     * Mixer frequency applying offset to the samples.
+     * @return mixer frequency
+     */
+    public long getMixerFrequency()
+    {
+        return (long)mFrequencyCorrectionMixer.getFrequency();
+    }
+
     /**
      * Sets the sample rate of the incoming sample stream from the producer
      *
@@ -174,28 +159,6 @@ public class HalfBandTunerChannelSource<T extends INativeBuffer> extends TunerCh
         //Not implemented.  Sample rate changes are not permitted once sample stream starts
     }
 
-    /**
-     * Sets the frequency correction for the outbound sample stream to the consumer
-     *
-     * @param correction in hertz
-     */
-    @Override
-    protected void setChannelFrequencyCorrection(long correction)
-    {
-        mChannelFrequencyCorrection = correction;
-        broadcastConsumerSourceEvent(SourceEvent.channelFrequencyCorrectionChange(correction));
-        updateMixerFrequencyOffset();
-    }
-
-    /**
-     * Frequency correction value currently being applied to the outbound sample stream
-     */
-    @Override
-    public long getChannelFrequencyCorrection()
-    {
-        return mChannelFrequencyCorrection;
-    }
-
     /**
      * Sets the listener to receive the complex buffer sample output from this channel
      *

src/main/java/io/github/dsheirer/source/tuner/channel/MultiFrequencyTunerChannelSource.java

@@ -1,6 +1,6 @@
 /*
  * *****************************************************************************
- * Copyright (C) 2014-2022 Dennis Sheirer
+ * Copyright (C) 2014-2023 Dennis Sheirer
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -29,13 +29,12 @@ import io.github.dsheirer.source.heartbeat.Heartbeat;
 import io.github.dsheirer.source.tuner.channel.rotation.FrequencyLockChangeRequest;
 import io.github.dsheirer.source.tuner.manager.TunerManager;
 import io.github.dsheirer.util.ThreadPool;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Multiple-frequency tuner channel source.  Provides a wrapper around a tuner channel source and listens for external
@@ -273,26 +272,6 @@ public class MultiFrequencyTunerChannelSource extends TunerChannelSource
         }
     }
 
-    @Override
-    protected void setChannelFrequencyCorrection(long correction)
-    {
-        if(mTunerChannelSource != null)
-        {
-            mTunerChannelSource.setChannelFrequencyCorrection(correction);
-        }
-    }
-
-    @Override
-    public long getChannelFrequencyCorrection()
-    {
-        if(mTunerChannelSource != null)
-        {
-            return mTunerChannelSource.getChannelFrequencyCorrection();
-        }
-
-        return 0;
-    }
-
     @Override
     public void setListener(Listener<ComplexSamples> complexSamplesListener)
     {