#1473 Adds IF AGC Control for RSP tuners and Power Overload indication. Reverts changes to default MacOS library location in API. (#1484)

Co-authored-by: Dennis Sheirer <dsheirer@github.com>
2026-11-11 08:07:24 -05:00 · 2023-03-11 14:58:58 -05:00
parent d69ad46c10
commit bc4e6cb5b0
21 changed files with 464 additions and 59 deletions
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/ControlRsp.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/ControlRsp.java
@@ -31,6 +31,8 @@ import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.AgcMode;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.tuner.GainReduction;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.tuner.IfMode;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.tuner.LoMode;
+import io.github.dsheirer.util.ThreadPool;
+import java.lang.ref.WeakReference;
 import java.util.concurrent.locks.ReentrantLock;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -46,6 +48,7 @@ public abstract class ControlRsp<T extends Device> implements IControlRsp
    protected int mGain;
    private IDeviceEventListener mDeviceEventListener;
    private IStreamListener mStreamListener;
+    protected WeakReference<IGainOverloadListener> mGainOverloadReference;

    //Streaming control lock and boolean status indicator.  Access to the boolean indicator is protected by the lock.
    protected ReentrantLock mStreamingLock = new ReentrantLock();
@@ -77,8 +80,7 @@ public abstract class ControlRsp<T extends Device> implements IControlRsp
            getDevice().getCompositeParameters().getControlAParameters().getDcOffset().setDC(true);
            getDevice().getCompositeParameters().getControlAParameters().getDcOffset().setIQ(true);

-            //Setup IF, LO, and AGC Mode
-            getDevice().getCompositeParameters().getControlAParameters().getAgc().setAgcMode(AgcMode.DISABLE);
+            //Setup IF & LO Mode
            getDevice().setIfMode(IfMode.IF_ZERO);
            getDevice().setLoMode(LoMode.AUTO);
        }
@@ -257,6 +259,20 @@ public abstract class ControlRsp<T extends Device> implements IControlRsp
        }
    }

+    /**
+     * Registers the listener to receive gain overload notifications.
+     * @param listener to register
+     */
+    @Override
+    public void setGainOverloadListener(IGainOverloadListener listener)
+    {
+        if(mGainOverloadReference != null && mGainOverloadReference.get() != null)
+        {
+            mGainOverloadReference.clear();
+        }
+
+        mGainOverloadReference = new WeakReference<>(listener);
+    }

    @Override
    public void acknowledgePowerOverload(TunerSelect tunerSelect) throws SDRPlayException
@@ -269,6 +285,17 @@ public abstract class ControlRsp<T extends Device> implements IControlRsp
        {
            throw new SDRPlayException("Device is not initialized");
        }
+
+        //Notify an optional weakly referenced, registered listener that gain overload has been acknowledged.
+        if(mGainOverloadReference != null)
+        {
+            IGainOverloadListener listener = mGainOverloadReference.get();
+
+            if(listener != null)
+            {
+                ThreadPool.CACHED.submit(() -> listener.notifyGainOverload(tunerSelect));
+            }
+        }
    }

    @Override
@@ -339,6 +366,27 @@ public abstract class ControlRsp<T extends Device> implements IControlRsp
        }
    }

+    /**
+     * Current IF AGC mode setting.
+     * @return AGC mode.
+     */
+    @Override
+    public AgcMode getAgcMode()
+    {
+        return getDevice().getCompositeParameters().getControlAParameters().getAgc().getAgcMode();
+    }
+
+    /**
+     * Sets the IF AGC mode
+     * @param mode to set.
+     */
+    @Override
+    public void setAgcMode(AgcMode mode) throws SDRPlayException
+    {
+        getDevice().getCompositeParameters().getControlAParameters().getAgc().setAgcMode(mode);
+        getDevice().update(getTunerSelect(), UpdateReason.CONTROL_AGC);
+    }
+
    /**
     * Registers listeners to receive device events and sample streams.
     * @param deviceEventListener to receive device events
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/IControlRsp.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/IControlRsp.java
@@ -25,6 +25,7 @@ import io.github.dsheirer.source.tuner.sdrplay.api.callback.IDeviceEventListener
 import io.github.dsheirer.source.tuner.sdrplay.api.callback.IStreamListener;
 import io.github.dsheirer.source.tuner.sdrplay.api.device.Device;
 import io.github.dsheirer.source.tuner.sdrplay.api.device.TunerSelect;
+import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.AgcMode;

 /**
 * Control interface for base RSP device
@@ -125,4 +126,22 @@ public interface IControlRsp
     * @return gain index value (0 - 28)
     */
    int getGain();
+
+    /**
+     * Current IF AGC mode setting.
+     * @return IF agc mode
+     */
+    AgcMode getAgcMode();
+
+    /**
+     * Sets the IF AGC mode
+     * @param mode to set.
+     */
+    void setAgcMode(AgcMode mode) throws SDRPlayException;
+
+    /**
+     * Registers a listener to receive notifications of gain overload.
+     * @param listener to register
+     */
+    void setGainOverloadListener(IGainOverloadListener listener);
 }
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/IGainOverloadListener.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/IGainOverloadListener.java
@@ -0,0 +1,30 @@
+/*
+ * *****************************************************************************
+ * 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.source.tuner.sdrplay;
+
+import io.github.dsheirer.source.tuner.sdrplay.api.device.TunerSelect;
+
+/**
+ * Listener interface to receive notifications of gain overload in the RSP device.
+ */
+public interface IGainOverloadListener
+{
+    void notifyGainOverload(TunerSelect tunerSelect);
+}
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/RspSampleRate.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/RspSampleRate.java
@@ -25,16 +25,16 @@ import java.util.EnumSet;

 /**
 * RSP device Sample Rate, Bandwidth and Decimation enumeration
- *
 * Note: final effective sample rate must be greater than IF bandwidth setting to avoid aliasing.  The available IF
 * bandwidth values effectively dictate the available sample rates
 */
 public enum RspSampleRate
 {
-    RATE_0_250(8_000_000, 016_000, Bandwidth.BW_0_300, Decimate.X32, "0.250 MHz (0.234 usable)"),
-    RATE_0_500(8_000_000, 024_000, Bandwidth.BW_0_600, Decimate.X16, "0.500 MHz (0.476 usable)"),
+    RATE_0_250(8_000_000, 16_000, Bandwidth.BW_0_300, Decimate.X32, "0.250 MHz (0.234 usable)"),
+    RATE_0_500(8_000_000, 24_000, Bandwidth.BW_0_600, Decimate.X16, "0.500 MHz (0.476 usable)"),
    RATE_1_000(8_000_000, 100_000, Bandwidth.BW_1_536, Decimate.X8, "1.000 MHz (0.900 usable)"),
    RATE_1_500(6_000_000, 140_000, Bandwidth.BW_1_536, Decimate.X4, "1.500 MHz (1.360 usable)"),
+    RATE_2_048(8_192_000, 248_000, Bandwidth.BW_1_536, Decimate.X4, "2.048 MHz (1.800 usable)"),
    RATE_3_000(6_000_000, 300_000, Bandwidth.BW_5_000, Decimate.X2, "3.000 MHz (2.700 usable)"),
    RATE_4_000(8_000_000, 340_000, Bandwidth.BW_5_000, Decimate.X2, "4.000 MHz (3.560 usable)"),
    RATE_5_000(5_000_000, 880_000, Bandwidth.BW_5_000, Decimate.X1, "5.000 MHz (4.120 usable)"),
@@ -55,11 +55,11 @@ public enum RspSampleRate

    UNDEFINED(0, 0, Bandwidth.UNDEFINED, Decimate.X1, "UNDEFINED");

-    private long mSampleRate;
-    private long mUnusable;
-    private Bandwidth mBandwidth;
-    private Decimate mDecimation;
-    private String mDescription;
+    private final long mSampleRate;
+    private final long mUnusable;
+    private final Bandwidth mBandwidth;
+    private final Decimate mDecimation;
+    private final String mDescription;

    /**
     * Constructs an instance
@@ -81,12 +81,12 @@ public enum RspSampleRate
    /**
     * Single tuner sample rates for all devices operating in single tuner mode
     */
-    public static EnumSet<RspSampleRate> SINGLE_TUNER_SAMPLE_RATES = EnumSet.range(RATE_0_250, RATE_10_000);
+    public static final EnumSet<RspSampleRate> SINGLE_TUNER_SAMPLE_RATES = EnumSet.range(RATE_0_250, RATE_10_000);

    /**
     * RSPduo dual-tuner mode sample rates
     */
-    public static EnumSet<RspSampleRate> DUAL_TUNER_SAMPLE_RATES = EnumSet.range(DUO_RATE_0_500, DUO_RATE_2_000);
+    public static final EnumSet<RspSampleRate> DUAL_TUNER_SAMPLE_RATES = EnumSet.range(DUO_RATE_0_500, DUO_RATE_2_000);

    /**
     * Sample Rate
@@ -137,14 +137,6 @@ public enum RspSampleRate
        return mDecimation;
    }

-    /**
-     * Indicates if this sample rate specifies decimation
-     */
-    public boolean hasDecimation()
-    {
-        return getDecimation().isEnabled();
-    }
-
    /**
     * Effective Sample Rate (sample rate / decimation).  Note: for RSPduo operating in dual-tuner mode, an
     * inherent x4 decimation is applied in the hardware.
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/RspTunerConfiguration.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/RspTunerConfiguration.java
@@ -23,6 +23,7 @@ import com.fasterxml.jackson.annotation.JsonSubTypes;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
 import io.github.dsheirer.source.tuner.configuration.TunerConfiguration;
+import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.AgcMode;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.tuner.GainReduction;
 import io.github.dsheirer.source.tuner.sdrplay.rsp1a.Rsp1aTunerConfiguration;
 import io.github.dsheirer.source.tuner.sdrplay.rsp2.Rsp2TunerConfiguration;
@@ -33,7 +34,7 @@ import io.github.dsheirer.source.tuner.sdrplay.rspDx.RspDxTunerConfiguration;
 /**
 * Abstract RSP tuner configuration
 */
-@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.PROPERTY, property = "type")
+@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type")
@JsonSubTypes({
        @JsonSubTypes.Type(value = Rsp1aTunerConfiguration.class, name = "rsp1aTunerConfiguration"),
        @JsonSubTypes.Type(value = Rsp2TunerConfiguration.class, name = "rsp2TunerConfiguration"),
@@ -47,7 +48,8 @@ public abstract class RspTunerConfiguration extends TunerConfiguration
    public static final RspSampleRate DEFAULT_DUAL_TUNER_SAMPLE_RATE = RspSampleRate.DUO_RATE_2_000;

    private RspSampleRate mRspSampleRate = DEFAULT_SINGLE_TUNER_SAMPLE_RATE;
-    private int mGain = 14;
+    private int mGain = 24;
+    private AgcMode mAgcMode = AgcMode.ENABLE;

    /**
     * JAXB Constructor
@@ -103,4 +105,23 @@ public abstract class RspTunerConfiguration extends TunerConfiguration
            mGain = gain;
        }
    }
+
+    /**
+     * IF AGC mode
+     * @return mode
+     */
+    @JacksonXmlProperty(isAttribute = true, localName = "agcMode")
+    public AgcMode getAgcMode()
+    {
+        return mAgcMode;
+    }
+
+    /**
+     * Sets the IF AGC mode
+     * @param mode to set
+     */
+    public void setAgcMode(AgcMode mode)
+    {
+        mAgcMode = mode;
+    }
 }
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/RspTunerEditor.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/RspTunerEditor.java
@@ -21,11 +21,21 @@ package io.github.dsheirer.source.tuner.sdrplay;

 import io.github.dsheirer.preference.UserPreferences;
 import io.github.dsheirer.source.tuner.manager.TunerManager;
+import io.github.dsheirer.source.tuner.sdrplay.api.SDRPlayException;
+import io.github.dsheirer.source.tuner.sdrplay.api.device.TunerSelect;
+import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.AgcMode;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.tuner.GainReduction;
 import io.github.dsheirer.source.tuner.ui.TunerEditor;
+import io.github.dsheirer.util.ThreadPool;
+import java.awt.Color;
+import java.awt.EventQueue;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

+import javax.swing.JButton;
+import javax.swing.JComboBox;
 import javax.swing.JLabel;
 import javax.swing.JOptionPane;
 import javax.swing.JSlider;
@@ -33,11 +43,14 @@ import javax.swing.JSlider;
 /**
 * Abstract RSP tuner editor
 */
-public abstract class RspTunerEditor<C extends RspTunerConfiguration> extends TunerEditor<RspTuner,C>
+public abstract class RspTunerEditor<C extends RspTunerConfiguration> extends TunerEditor<RspTuner,C> implements IGainOverloadListener
 {
    private Logger mLog = LoggerFactory.getLogger(RspTunerEditor.class);
    private JSlider mGainSlider;
    private JLabel mGainValueLabel;
+    private JComboBox<AgcMode> mAgcModeCombo;
+    private JButton mGainOverloadButton;
+    private AtomicBoolean mGainOverloadAlert = new AtomicBoolean();

    /**
     * Constructs an instance
@@ -105,4 +118,87 @@ public abstract class RspTunerEditor<C extends RspTunerConfiguration> extends Tu

        return mGainValueLabel;
    }
+
+    /**
+     * IF AGC mode combobox control
+     */
+    protected JComboBox<AgcMode> getAgcModeCombo()
+    {
+        if(mAgcModeCombo == null)
+        {
+            mAgcModeCombo = new JComboBox<>(AgcMode.values());
+            mAgcModeCombo.setEnabled(false);
+            mAgcModeCombo.addActionListener(e -> {
+                if(hasTuner() && !isLoading())
+                {
+                    AgcMode selected = (AgcMode)mAgcModeCombo.getSelectedItem();
+                    try
+                    {
+                        getTunerController().getControlRsp().setAgcMode(selected);
+                        save();
+                    }
+                    catch(SDRPlayException se)
+                    {
+                        mLog.error("Error setting AGC mode on RSP device");
+                    }
+                    save();
+                }
+            });
+        }
+
+        return mAgcModeCombo;
+    }
+
+    /**
+     * Gain overload button.  Used in a disabled state to indicate (e.g. flashing color) that gain overload is detected.
+     */
+    protected JButton getGainOverloadButton()
+    {
+        if(mGainOverloadButton == null)
+        {
+            mGainOverloadButton = new JButton("Gain Overload");
+            mGainOverloadButton.setToolTipText("Notification that manual gain is set too high and causing power overload.  Reduce manual gain when this flashes.");
+            mGainOverloadButton.setEnabled(false);
+        }
+
+        return mGainOverloadButton;
+    }
+
+    @Override
+    public void notifyGainOverload(TunerSelect tunerSelect)
+    {
+        if(hasTuner() && getTuner().getRspTunerController().getTunerSelect() == tunerSelect)
+        {
+            //Set overload alert
+            EventQueue.invokeLater(() -> setGainOverloadAlert(true));
+
+            //Schedule a reset to happen 1 second later
+            ThreadPool.SCHEDULED.schedule((Runnable) () -> setGainOverloadAlert(false), 600, TimeUnit.MILLISECONDS);
+        }
+    }
+
+    /**
+     * Toggles the alert styling of the disabled gain overload button to indicate an alert condition or a normal
+     * operating condition.
+     * @param alert true to apply alert styling or false to reset.
+     */
+    private void setGainOverloadAlert(boolean alert)
+    {
+        if(alert && mGainOverloadAlert.compareAndSet(false, true))
+        {
+            getGainOverloadButton().setEnabled(true);
+            getGainOverloadButton().setForeground(Color.YELLOW);
+            getGainOverloadButton().setBackground(Color.RED);
+        }
+        else if(!alert && mGainOverloadAlert.compareAndSet(true, false))
+        {
+            getGainOverloadButton().setEnabled(false);
+            getGainOverloadButton().setForeground(getForeground());
+            getGainOverloadButton().setBackground(getBackground());
+        }
+        else
+        {
+            mLog.info("Ignoring duplicate gain alerting - alert[" + alert + "] atomic [" + mGainOverloadAlert.get() + "]");
+        }
+    }
 }
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/api/SDRplay.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/api/SDRplay.java
@@ -61,7 +61,8 @@ import org.slf4j.LoggerFactory;
 public class SDRplay
 {
    public static final String SDRPLAY_API_LIBRARY_NAME = "sdrplay_api";
-    public static final String SDRPLAY_API_PATH_LINUX_AND_OSX = "/usr/local/lib/libsdrplay_api.so";
+    public static final String SDRPLAY_API_PATH_LINUX = "/usr/local/lib/libsdrplay_api.so";
+    public static final String SDRPLAY_API_PATH_MAC_OS = "/usr/local/lib/libsdrplay_api.dylib";
    public static final String SDRPLAY_API_PATH_WINDOWS = System.getenv("ProgramFiles") +
            "\\SDRplay\\API\\" + (System.getProperty("sun.arch.data.model").contentEquals("64") ? "x64" : "x86") +
            "\\" + SDRPLAY_API_LIBRARY_NAME;
@@ -671,11 +672,11 @@ public class SDRplay
        }
        else if(SystemUtils.IS_OS_LINUX)
        {
-            return SDRPLAY_API_PATH_LINUX_AND_OSX;
+            return SDRPLAY_API_PATH_LINUX;
        }
        else if(SystemUtils.IS_OS_MAC_OSX)
        {
-            return SDRPLAY_API_PATH_LINUX_AND_OSX;
+            return SDRPLAY_API_PATH_MAC_OS;
        }

        mLog.error("Unrecognized operating system.  Cannot identify sdrplay api library path");
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rsp1/Rsp1TunerController.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rsp1/Rsp1TunerController.java
@@ -24,6 +24,7 @@ import io.github.dsheirer.source.tuner.ITunerErrorListener;
 import io.github.dsheirer.source.tuner.TunerType;
 import io.github.dsheirer.source.tuner.configuration.TunerConfiguration;
 import io.github.dsheirer.source.tuner.sdrplay.RspTunerController;
+import io.github.dsheirer.source.tuner.sdrplay.api.SDRPlayException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

@@ -54,9 +55,18 @@ public class Rsp1TunerController extends RspTunerController<IControlRsp1>
    @Override
    public void apply(TunerConfiguration config) throws SourceException
    {
-        if(config instanceof Rsp1TunerConfiguration)
+        if(config instanceof Rsp1TunerConfiguration rtc)
        {
            super.apply(config);
+
+            try
+            {
+                getControlRsp().setAgcMode(rtc.getAgcMode());
+            }
+            catch(SDRPlayException se)
+            {
+                mLog.error("Error setting RSP IF AGC Mode to " + rtc.getAgcMode());
+            }
        }
        else
        {
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rsp1/Rsp1TunerEditor.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rsp1/Rsp1TunerEditor.java
@@ -25,12 +25,14 @@ import io.github.dsheirer.source.tuner.sdrplay.DiscoveredRspTuner;
 import io.github.dsheirer.source.tuner.sdrplay.RspSampleRate;
 import io.github.dsheirer.source.tuner.sdrplay.RspTunerEditor;
 import io.github.dsheirer.source.tuner.sdrplay.api.SDRPlayException;
+import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.AgcMode;
 import net.miginfocom.swing.MigLayout;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

 import javax.swing.JComboBox;
 import javax.swing.JLabel;
+import javax.swing.JPanel;
 import javax.swing.JSeparator;
 import javax.swing.SpinnerNumberModel;

@@ -59,7 +61,7 @@ public class Rsp1TunerEditor extends RspTunerEditor<Rsp1TunerConfiguration>
    private void init()
    {
        setLayout(new MigLayout("fill,wrap 3", "[right][grow,fill][fill]",
-                "[][][][][][][][][][][][grow]"));
+                "[][][][][][][][][][][][][grow]"));

        add(new JLabel("Tuner:"));
        add(getTunerIdLabel(), "wrap");
@@ -77,6 +79,13 @@ public class Rsp1TunerEditor extends RspTunerEditor<Rsp1TunerConfiguration>
        add(new JLabel("Sample Rate:"));
        add(getSampleRateCombo(), "wrap");

+        add(new JLabel("IF AGC Mode:"));
+        JPanel gainPanel = new JPanel();
+        gainPanel.setLayout(new MigLayout("insets 0","[grow,fill][]",""));
+        gainPanel.add(getAgcModeCombo());
+        gainPanel.add(getGainOverloadButton());
+        add(gainPanel, "wrap");
+
        add(new JLabel("Gain:"));
        add(getGainSlider());
        add(getGainValueLabel());
@@ -116,6 +125,14 @@ public class Rsp1TunerEditor extends RspTunerEditor<Rsp1TunerConfiguration>
        getSampleRateCombo().setEnabled(hasTuner() && !getTuner().getTunerController().isLockedSampleRate());
        getSampleRateCombo().setSelectedItem(hasTuner() ? getTunerController().getControlRsp().getSampleRateEnumeration() : null);

+        getAgcModeCombo().setEnabled(hasTuner());
+        if(hasTuner())
+        {
+            getAgcModeCombo().setSelectedItem(getTunerController().getControlRsp().getAgcMode());
+            //Register to receive gain overload notifications
+            getTunerController().getControlRsp().setGainOverloadListener(this);
+        }
+
        getGainSlider().setEnabled(hasTuner());
        getGainValueLabel().setEnabled(hasTuner());
        getGainSlider().setValue(hasTuner() ? getTunerController().getControlRsp().getGain() : 0);
@@ -134,6 +151,7 @@ public class Rsp1TunerEditor extends RspTunerEditor<Rsp1TunerConfiguration>
            getConfiguration().setAutoPPMCorrectionEnabled(getAutoPPMCheckBox().isSelected());
            getConfiguration().setSampleRate((RspSampleRate)getSampleRateCombo().getSelectedItem());
            getConfiguration().setGain(getGainSlider().getValue());
+            getConfiguration().setAgcMode((AgcMode)getAgcModeCombo().getSelectedItem());

            saveConfiguration();
        }
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rsp1a/Rsp1aTunerController.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rsp1a/Rsp1aTunerController.java
@@ -59,6 +59,15 @@ public class Rsp1aTunerController extends RspTunerController<IControlRsp1a>
        {
            super.apply(config);

+            try
+            {
+                getControlRsp().setAgcMode(rtc.getAgcMode());
+            }
+            catch(SDRPlayException se)
+            {
+                mLog.error("Error setting RSP IF AGC Mode to " + rtc.getAgcMode());
+            }
+
            try
            {
                getControlRsp().setBiasT(rtc.isBiasT());
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rsp1a/Rsp1aTunerEditor.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rsp1a/Rsp1aTunerEditor.java
@@ -25,6 +25,7 @@ import io.github.dsheirer.source.tuner.sdrplay.DiscoveredRspTuner;
 import io.github.dsheirer.source.tuner.sdrplay.RspSampleRate;
 import io.github.dsheirer.source.tuner.sdrplay.RspTunerEditor;
 import io.github.dsheirer.source.tuner.sdrplay.api.SDRPlayException;
+import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.AgcMode;
 import net.miginfocom.swing.MigLayout;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -32,6 +33,7 @@ import org.slf4j.LoggerFactory;
 import javax.swing.JCheckBox;
 import javax.swing.JComboBox;
 import javax.swing.JLabel;
+import javax.swing.JPanel;
 import javax.swing.JSeparator;
 import javax.swing.SpinnerNumberModel;

@@ -63,7 +65,7 @@ public class Rsp1aTunerEditor extends RspTunerEditor<Rsp1aTunerConfiguration>
    private void init()
    {
        setLayout(new MigLayout("fill,wrap 3", "[right][grow,fill][fill]",
-                "[][][][][][][][][][][][grow]"));
+                "[][][][][][][][][][][][][grow]"));

        add(new JLabel("Tuner:"));
        add(getTunerIdLabel(), "wrap");
@@ -81,6 +83,13 @@ public class Rsp1aTunerEditor extends RspTunerEditor<Rsp1aTunerConfiguration>
        add(new JLabel("Sample Rate:"));
        add(getSampleRateCombo(), "wrap");

+        add(new JLabel("IF AGC Mode:"));
+        JPanel gainPanel = new JPanel();
+        gainPanel.setLayout(new MigLayout("insets 0","[grow,fill][]",""));
+        gainPanel.add(getAgcModeCombo());
+        gainPanel.add(getGainOverloadButton());
+        add(gainPanel, "wrap");
+
        add(new JLabel("Gain:"));
        add(getGainSlider());
        add(getGainValueLabel());
@@ -127,6 +136,14 @@ public class Rsp1aTunerEditor extends RspTunerEditor<Rsp1aTunerConfiguration>
        getSampleRateCombo().setEnabled(hasTuner() && !getTuner().getTunerController().isLockedSampleRate());
        getSampleRateCombo().setSelectedItem(hasTuner() ? getTunerController().getControlRsp().getSampleRateEnumeration() : null);

+        getAgcModeCombo().setEnabled(hasTuner());
+        if(hasTuner())
+        {
+            getAgcModeCombo().setSelectedItem(getTunerController().getControlRsp().getAgcMode());
+            //Register to receive gain overload notifications
+            getTunerController().getControlRsp().setGainOverloadListener(this);
+        }
+
        getGainSlider().setEnabled(hasTuner());
        getGainValueLabel().setEnabled(hasTuner());
        getGainSlider().setValue(hasTuner() ? getTunerController().getControlRsp().getGain() : 0);
@@ -178,6 +195,7 @@ public class Rsp1aTunerEditor extends RspTunerEditor<Rsp1aTunerConfiguration>
            getConfiguration().setRfNotch(getRfNotchCheckBox().isSelected());
            getConfiguration().setRfDabNotch(getRfDabNotchCheckBox().isSelected());
            getConfiguration().setGain(getGainSlider().getValue());
+            getConfiguration().setAgcMode((AgcMode)getAgcModeCombo().getSelectedItem());

            saveConfiguration();
        }
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rsp2/Rsp2TunerController.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rsp2/Rsp2TunerController.java
@@ -59,6 +59,15 @@ public class Rsp2TunerController extends RspTunerController<IControlRsp2>
        {
            super.apply(config);

+            try
+            {
+                getControlRsp().setAgcMode(rtc.getAgcMode());
+            }
+            catch(SDRPlayException se)
+            {
+                mLog.error("Error setting RSP IF AGC Mode to " + rtc.getAgcMode());
+            }
+
            try
            {
                getControlRsp().setBiasT(rtc.isBiasT());
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rsp2/Rsp2TunerEditor.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rsp2/Rsp2TunerEditor.java
@@ -25,6 +25,7 @@ import io.github.dsheirer.source.tuner.sdrplay.DiscoveredRspTuner;
 import io.github.dsheirer.source.tuner.sdrplay.RspSampleRate;
 import io.github.dsheirer.source.tuner.sdrplay.RspTunerEditor;
 import io.github.dsheirer.source.tuner.sdrplay.api.SDRPlayException;
+import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.AgcMode;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.tuner.Rsp2AntennaSelection;
 import net.miginfocom.swing.MigLayout;
 import org.slf4j.Logger;
@@ -33,6 +34,7 @@ import org.slf4j.LoggerFactory;
 import javax.swing.JCheckBox;
 import javax.swing.JComboBox;
 import javax.swing.JLabel;
+import javax.swing.JPanel;
 import javax.swing.JSeparator;
 import javax.swing.SpinnerNumberModel;

@@ -65,7 +67,7 @@ public class Rsp2TunerEditor extends RspTunerEditor<Rsp2TunerConfiguration>
    private void init()
    {
        setLayout(new MigLayout("fill,wrap 3", "[right][grow,fill][fill]",
-                "[][][][][][][][][][][][grow]"));
+                "[][][][][][][][][][][][][grow]"));

        add(new JLabel("Tuner:"));
        add(getTunerIdLabel(), "wrap");
@@ -83,6 +85,13 @@ public class Rsp2TunerEditor extends RspTunerEditor<Rsp2TunerConfiguration>
        add(new JLabel("Sample Rate:"));
        add(getSampleRateCombo(), "wrap");

+        add(new JLabel("IF AGC Mode:"));
+        JPanel gainPanel = new JPanel();
+        gainPanel.setLayout(new MigLayout("insets 0","[grow,fill][]",""));
+        gainPanel.add(getAgcModeCombo());
+        gainPanel.add(getGainOverloadButton());
+        add(gainPanel, "wrap");
+
        add(new JLabel("Gain:"));
        add(getGainSlider());
        add(getGainValueLabel());
@@ -131,6 +140,14 @@ public class Rsp2TunerEditor extends RspTunerEditor<Rsp2TunerConfiguration>
        getSampleRateCombo().setEnabled(hasTuner() && !getTuner().getTunerController().isLockedSampleRate());
        getSampleRateCombo().setSelectedItem(hasTuner() ? getTunerController().getControlRsp().getSampleRateEnumeration() : null);

+        getAgcModeCombo().setEnabled(hasTuner());
+        if(hasTuner())
+        {
+            getAgcModeCombo().setSelectedItem(getTunerController().getControlRsp().getAgcMode());
+            //Register to receive gain overload notifications
+            getTunerController().getControlRsp().setGainOverloadListener(this);
+        }
+
        getGainSlider().setEnabled(hasTuner());
        getGainValueLabel().setEnabled(hasTuner());
        getGainSlider().setValue(hasTuner() ? getTunerController().getControlRsp().getGain() : 0);
@@ -192,6 +209,7 @@ public class Rsp2TunerEditor extends RspTunerEditor<Rsp2TunerConfiguration>
            getConfiguration().setRfNotch(getRfNotchCheckBox().isSelected());
            getConfiguration().setAntennaSelection((Rsp2AntennaSelection)getAntennaSelectionCombo().getSelectedItem());
            getConfiguration().setGain(getGainSlider().getValue());
+            getConfiguration().setAgcMode((AgcMode)getAgcModeCombo().getSelectedItem());

            saveConfiguration();
        }
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDuo/ControlRspDuo.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDuo/ControlRspDuo.java
@@ -20,6 +20,7 @@
 package io.github.dsheirer.source.tuner.sdrplay.rspDuo;

 import io.github.dsheirer.source.tuner.sdrplay.ControlRsp;
+import io.github.dsheirer.source.tuner.sdrplay.IGainOverloadListener;
 import io.github.dsheirer.source.tuner.sdrplay.RspSampleRate;
 import io.github.dsheirer.source.tuner.sdrplay.api.DeviceSelectionMode;
 import io.github.dsheirer.source.tuner.sdrplay.api.SDRPlayException;
@@ -28,11 +29,11 @@ import io.github.dsheirer.source.tuner.sdrplay.api.UpdateReason;
 import io.github.dsheirer.source.tuner.sdrplay.api.device.RspDuoDevice;
 import io.github.dsheirer.source.tuner.sdrplay.api.device.RspDuoTuner;
 import io.github.dsheirer.source.tuner.sdrplay.api.device.TunerSelect;
-import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.AgcMode;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.ControlParameters;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.tuner.IfMode;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.tuner.LoMode;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.tuner.TunerParameters;
+import io.github.dsheirer.util.ThreadPool;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

@@ -97,8 +98,7 @@ public abstract class ControlRspDuo<T extends RspDuoTuner> extends ControlRsp<Rs
            getControlParameters().getDcOffset().setDC(true);
            getControlParameters().getDcOffset().setIQ(true);

-            //Setup LO and AGC Mode
-            getControlParameters().getAgc().setAgcMode(AgcMode.DISABLE);
+            //Setup LO Mode
            getTunerParameters().setLoMode(LoMode.AUTO);

            //Setup IF mode. In master/slave dual-tuner mode use IF_2048, otherwise use IF_ZERO
@@ -239,6 +239,17 @@ public abstract class ControlRspDuo<T extends RspDuoTuner> extends ControlRsp<Rs
        {
            throw new SDRPlayException("Device is not initialized");
        }
+
+        //Notify an optional weakly referenced, registered listener that gain overload has been acknowledged.
+        if(mGainOverloadReference != null)
+        {
+            IGainOverloadListener listener = mGainOverloadReference.get();
+
+            if(listener != null)
+            {
+                ThreadPool.CACHED.submit(() -> listener.notifyGainOverload(tunerSelect));
+            }
+        }
    }

    @Override
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDuo/ControlRspDuoTuner2.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDuo/ControlRspDuoTuner2.java
@@ -20,9 +20,11 @@
 package io.github.dsheirer.source.tuner.sdrplay.rspDuo;

 import io.github.dsheirer.source.tuner.sdrplay.api.SDRPlayException;
+import io.github.dsheirer.source.tuner.sdrplay.api.UpdateReason;
 import io.github.dsheirer.source.tuner.sdrplay.api.device.RspDuoDevice;
 import io.github.dsheirer.source.tuner.sdrplay.api.device.RspDuoTuner2;
 import io.github.dsheirer.source.tuner.sdrplay.api.device.TunerSelect;
+import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.AgcMode;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.ControlParameters;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.tuner.TunerParameters;
 import org.slf4j.Logger;
@@ -103,4 +105,25 @@ public abstract class ControlRspDuoTuner2 extends ControlRspDuo<RspDuoTuner2> im
            throw new SDRPlayException("Device is not initialized");
        }
    }
+
+    /**
+     * Current IF AGC mode setting.
+     * @return AGC mode.
+     */
+    @Override
+    public AgcMode getAgcMode()
+    {
+        return getDevice().getCompositeParameters().getControlBParameters().getAgc().getAgcMode();
+    }
+
+    /**
+     * Sets the IF AGC mode
+     * @param mode to set.
+     */
+    @Override
+    public void setAgcMode(AgcMode mode) throws SDRPlayException
+    {
+        getDevice().getCompositeParameters().getControlBParameters().getAgc().setAgcMode(mode);
+        getDevice().update(getTunerSelect(), UpdateReason.CONTROL_AGC);
+    }
 }
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDuo/RspDuoTuner1Controller.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDuo/RspDuoTuner1Controller.java
@@ -57,53 +57,62 @@ public class RspDuoTuner1Controller extends RspTunerController<IControlRspDuoTun
    @Override
    public void apply(TunerConfiguration config) throws SourceException
    {
-        if(config instanceof RspDuoTuner1Configuration duo1)
+        if(config instanceof RspDuoTuner1Configuration rtc)
        {
            super.apply(config);

            try
            {
-                getControlRsp().setRfNotch(duo1.isRfNotch());
+                getControlRsp().setAgcMode(rtc.getAgcMode());
            }
            catch(SDRPlayException se)
            {
-                mLog.error("Error setting RSPduo tuner 1 RF notch enabled to " + duo1.isRfNotch());
+                mLog.error("Error setting RSP IF AGC Mode to " + rtc.getAgcMode());
            }

            try
            {
-                getControlRsp().setRfDabNotch(duo1.isRfDabNotch());
+                getControlRsp().setRfNotch(rtc.isRfNotch());
            }
            catch(SDRPlayException se)
            {
-                mLog.error("Error setting RSPduo tuner 1 RF DAB notch enabled to " + duo1.isRfDabNotch());
+                mLog.error("Error setting RSPduo tuner 1 RF notch enabled to " + rtc.isRfNotch());
            }

            try
            {
-                getControlRsp().setAmNotch(duo1.isAmNotch());
+                getControlRsp().setRfDabNotch(rtc.isRfDabNotch());
            }
            catch(SDRPlayException se)
            {
-                mLog.error("Error setting RSPduo tuner 1 AM notch enabled to " + duo1.isAmNotch());
+                mLog.error("Error setting RSPduo tuner 1 RF DAB notch enabled to " + rtc.isRfDabNotch());
            }

            try
            {
-                getControlRsp().setAmPort(duo1.getAmPort());
+                getControlRsp().setAmNotch(rtc.isAmNotch());
            }
            catch(SDRPlayException se)
            {
-                mLog.error("Error setting RSPduo tuner 1 AM port to " + duo1.getAmPort());
+                mLog.error("Error setting RSPduo tuner 1 AM notch enabled to " + rtc.isAmNotch());
            }

            try
            {
-                getControlRsp().setExternalReferenceOutput(duo1.isExternalReferenceOutput());
+                getControlRsp().setAmPort(rtc.getAmPort());
            }
            catch(SDRPlayException se)
            {
-                mLog.error("Error setting RSPduo tuner 1 external reference output enabled to " + duo1.isExternalReferenceOutput());
+                mLog.error("Error setting RSPduo tuner 1 AM port to " + rtc.getAmPort());
+            }
+
+            try
+            {
+                getControlRsp().setExternalReferenceOutput(rtc.isExternalReferenceOutput());
+            }
+            catch(SDRPlayException se)
+            {
+                mLog.error("Error setting RSPduo tuner 1 external reference output enabled to " + rtc.isExternalReferenceOutput());
            }
        }
        else
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDuo/RspDuoTuner1Editor.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDuo/RspDuoTuner1Editor.java
@@ -28,6 +28,7 @@ import io.github.dsheirer.source.tuner.sdrplay.DiscoveredRspTuner;
 import io.github.dsheirer.source.tuner.sdrplay.RspSampleRate;
 import io.github.dsheirer.source.tuner.sdrplay.RspTunerEditor;
 import io.github.dsheirer.source.tuner.sdrplay.api.SDRPlayException;
+import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.AgcMode;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.tuner.RspDuoAmPort;
 import java.util.EnumSet;
 import net.miginfocom.swing.MigLayout;
@@ -73,7 +74,7 @@ public class RspDuoTuner1Editor extends RspTunerEditor<RspDuoTuner1Configuration
    private void init()
    {
        setLayout(new MigLayout("fill,wrap 3", "[right][grow,fill][fill]",
-                "[][][][][][][][][][][][][][][grow]"));
+                "[][][][][][][][][][][][][][][][grow]"));

        add(new JLabel("Tuner:"));
        JPanel labelAndButtonPanel = new JPanel();
@@ -93,6 +94,13 @@ public class RspDuoTuner1Editor extends RspTunerEditor<RspDuoTuner1Configuration
        add(new JLabel("Sample Rate:"));
        add(getSampleRateCombo(), "wrap");

+        add(new JLabel("IF AGC Mode:"));
+        JPanel gainPanel = new JPanel();
+        gainPanel.setLayout(new MigLayout("insets 0","[grow,fill][]",""));
+        gainPanel.add(getAgcModeCombo());
+        gainPanel.add(getGainOverloadButton());
+        add(gainPanel, "wrap");
+
        add(new JLabel("Gain:"));
        add(getGainSlider());
        add(getGainValueLabel());
@@ -148,6 +156,14 @@ public class RspDuoTuner1Editor extends RspTunerEditor<RspDuoTuner1Configuration
        getSampleRateCombo().setEnabled(hasTuner() && !getTuner().getTunerController().isLockedSampleRate());
        getSampleRateCombo().setSelectedItem(hasTuner() ? getTunerController().getControlRsp().getSampleRateEnumeration() : null);

+        getAgcModeCombo().setEnabled(hasTuner());
+        if(hasTuner())
+        {
+            getAgcModeCombo().setSelectedItem(getTunerController().getControlRsp().getAgcMode());
+            //Register to receive gain overload notifications
+            getTunerController().getControlRsp().setGainOverloadListener(this);
+        }
+
        getGainSlider().setEnabled(hasTuner());
        getGainValueLabel().setEnabled(hasTuner());
        getGainSlider().setValue(hasTuner() ? getTunerController().getControlRsp().getGain() : 0);
@@ -222,6 +238,7 @@ public class RspDuoTuner1Editor extends RspTunerEditor<RspDuoTuner1Configuration
            getConfiguration().setRfDabNotch(getRfDabNotchCheckBox().isSelected());
            getConfiguration().setRfNotch(getRfNotchCheckBox().isSelected());
            getConfiguration().setGain(getGainSlider().getValue());
+            getConfiguration().setAgcMode((AgcMode)getAgcModeCombo().getSelectedItem());

            saveConfiguration();
        }
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDuo/RspDuoTuner2Controller.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDuo/RspDuoTuner2Controller.java
@@ -57,44 +57,56 @@ public class RspDuoTuner2Controller extends RspTunerController<IControlRspDuoTun
    @Override
    public void apply(TunerConfiguration config) throws SourceException
    {
-        if(config instanceof RspDuoTuner2Configuration duo2)
+        if(config instanceof RspDuoTuner2Configuration rtc)
        {
            super.apply(config);

-            try
+            if(!getControlRsp().isSlaveMode())
            {
-                getControlRsp().setRfNotch(duo2.isRfNotch());
-            }
-            catch(SDRPlayException se)
-            {
-                mLog.error("Error setting RSPduo tuner 2 RF notch enabled to " + duo2.isRfNotch());
+                try
+                {
+                    getControlRsp().setAgcMode(rtc.getAgcMode());
+                }
+                catch(SDRPlayException se)
+                {
+                    mLog.error("Error setting RSP IF AGC Mode to " + rtc.getAgcMode());
+                }
            }

            try
            {
-                getControlRsp().setRfDabNotch(duo2.isRfDabNotch());
+                getControlRsp().setRfNotch(rtc.isRfNotch());
            }
            catch(SDRPlayException se)
            {
-                mLog.error("Error setting RSPduo tuner 2 RF DAB notch enabled to " + duo2.isRfDabNotch());
+                mLog.error("Error setting RSPduo tuner 2 RF notch enabled to " + rtc.isRfNotch());
            }

            try
            {
-                getControlRsp().setBiasT(duo2.isBiasT());
+                getControlRsp().setRfDabNotch(rtc.isRfDabNotch());
            }
            catch(SDRPlayException se)
            {
-                mLog.error("Error setting RSPduo tuner 2 Bias-T enabled to " + duo2.isBiasT());
+                mLog.error("Error setting RSPduo tuner 2 RF DAB notch enabled to " + rtc.isRfDabNotch());
            }

            try
            {
-                getControlRsp().setExternalReferenceOutput(duo2.isExternalReferenceOutput());
+                getControlRsp().setBiasT(rtc.isBiasT());
            }
            catch(SDRPlayException se)
            {
-                mLog.error("Error setting RSPduo tuner 2 external reference output enabled to " + duo2.isExternalReferenceOutput());
+                mLog.error("Error setting RSPduo tuner 2 Bias-T enabled to " + rtc.isBiasT());
+            }
+
+            try
+            {
+                getControlRsp().setExternalReferenceOutput(rtc.isExternalReferenceOutput());
+            }
+            catch(SDRPlayException se)
+            {
+                mLog.error("Error setting RSPduo tuner 2 external reference output enabled to " + rtc.isExternalReferenceOutput());
            }
        }
        else
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDuo/RspDuoTuner2Editor.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDuo/RspDuoTuner2Editor.java
@@ -28,6 +28,7 @@ import io.github.dsheirer.source.tuner.sdrplay.DiscoveredRspTuner;
 import io.github.dsheirer.source.tuner.sdrplay.RspSampleRate;
 import io.github.dsheirer.source.tuner.sdrplay.RspTunerEditor;
 import io.github.dsheirer.source.tuner.sdrplay.api.SDRPlayException;
+import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.AgcMode;
 import java.util.EnumSet;
 import net.miginfocom.swing.MigLayout;
 import org.slf4j.Logger;
@@ -71,7 +72,7 @@ public class RspDuoTuner2Editor extends RspTunerEditor<RspDuoTuner2Configuration
    private void init()
    {
        setLayout(new MigLayout("fill,wrap 3", "[right][grow,fill][fill]",
-                "[][][][][][][][][][][][][][][grow]"));
+                "[][][][][][][][][][][][][][][][grow]"));

        add(new JLabel("Tuner:"));
        JPanel labelAndButtonPanel = new JPanel();
@@ -91,6 +92,13 @@ public class RspDuoTuner2Editor extends RspTunerEditor<RspDuoTuner2Configuration
        add(new JLabel("Sample Rate:"));
        add(getSampleRateCombo(), "wrap");

+        add(new JLabel("IF AGC Mode:"));
+        JPanel gainPanel = new JPanel();
+        gainPanel.setLayout(new MigLayout("insets 0","[grow,fill][]",""));
+        gainPanel.add(getAgcModeCombo());
+        gainPanel.add(getGainOverloadButton());
+        add(gainPanel, "wrap");
+
        add(new JLabel("Gain:"));
        add(getGainSlider());
        add(getGainValueLabel());
@@ -165,6 +173,14 @@ public class RspDuoTuner2Editor extends RspTunerEditor<RspDuoTuner2Configuration
        getSampleRateCombo().setEnabled(hasTuner() && !isSlaveMode() && !getTuner().getTunerController().isLockedSampleRate());
        getSampleRateCombo().setSelectedItem(hasTuner() ? getTunerController().getControlRsp().getSampleRateEnumeration() : null);

+        getAgcModeCombo().setEnabled(hasTuner());
+        if(hasTuner())
+        {
+            getAgcModeCombo().setSelectedItem(getTunerController().getControlRsp().getAgcMode());
+            //Register to receive gain overload notifications
+            getTunerController().getControlRsp().setGainOverloadListener(this);
+        }
+
        getGainSlider().setEnabled(hasTuner());
        getGainValueLabel().setEnabled(hasTuner());
        getGainSlider().setValue(hasTuner() ? getTunerController().getControlRsp().getGain() : 0);
@@ -234,6 +250,7 @@ public class RspDuoTuner2Editor extends RspTunerEditor<RspDuoTuner2Configuration
            getConfiguration().setRfDabNotch(getRfDabNotchCheckBox().isSelected());
            getConfiguration().setRfNotch(getRfNotchCheckBox().isSelected());
            getConfiguration().setGain(getGainSlider().getValue());
+            getConfiguration().setAgcMode((AgcMode)getAgcModeCombo().getSelectedItem());

            saveConfiguration();
        }
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDx/RspDxTunerController.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDx/RspDxTunerController.java
@@ -59,6 +59,15 @@ public class RspDxTunerController extends RspTunerController<IControlRspDx>
        {
            super.apply(config);

+            try
+            {
+                getControlRsp().setAgcMode(rtc.getAgcMode());
+            }
+            catch(SDRPlayException se)
+            {
+                mLog.error("Error setting RSP IF AGC Mode to " + rtc.getAgcMode());
+            }
+
            try
            {
                getControlRsp().setAntenna(rtc.getAntenna());
--- a/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDx/RspDxTunerEditor.java
+++ b/src/main/java/io/github/dsheirer/source/tuner/sdrplay/rspDx/RspDxTunerEditor.java
@@ -25,6 +25,7 @@ import io.github.dsheirer.source.tuner.sdrplay.DiscoveredRspTuner;
 import io.github.dsheirer.source.tuner.sdrplay.RspSampleRate;
 import io.github.dsheirer.source.tuner.sdrplay.RspTunerEditor;
 import io.github.dsheirer.source.tuner.sdrplay.api.SDRPlayException;
+import io.github.dsheirer.source.tuner.sdrplay.api.parameter.control.AgcMode;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.tuner.HdrModeBandwidth;
 import io.github.dsheirer.source.tuner.sdrplay.api.parameter.tuner.RspDxAntenna;
 import net.miginfocom.swing.MigLayout;
@@ -34,6 +35,7 @@ import org.slf4j.LoggerFactory;
 import javax.swing.JCheckBox;
 import javax.swing.JComboBox;
 import javax.swing.JLabel;
+import javax.swing.JPanel;
 import javax.swing.JSeparator;
 import javax.swing.SpinnerNumberModel;

@@ -86,6 +88,13 @@ public class RspDxTunerEditor extends RspTunerEditor<RspDxTunerConfiguration>
        add(new JLabel("Sample Rate:"));
        add(getSampleRateCombo(), "wrap");

+        add(new JLabel("IF AGC Mode:"));
+        JPanel gainPanel = new JPanel();
+        gainPanel.setLayout(new MigLayout("insets 0","[grow,fill][]",""));
+        gainPanel.add(getAgcModeCombo());
+        gainPanel.add(getGainOverloadButton());
+        add(gainPanel, "wrap");
+
        add(new JLabel("Gain:"));
        add(getGainSlider());
        add(getGainValueLabel());
@@ -140,6 +149,14 @@ public class RspDxTunerEditor extends RspTunerEditor<RspDxTunerConfiguration>
        getSampleRateCombo().setEnabled(hasTuner() && !getTuner().getTunerController().isLockedSampleRate());
        getSampleRateCombo().setSelectedItem(hasTuner() ? getTunerController().getControlRsp().getSampleRateEnumeration() : null);

+        getAgcModeCombo().setEnabled(hasTuner());
+        if(hasTuner())
+        {
+            getAgcModeCombo().setSelectedItem(getTunerController().getControlRsp().getAgcMode());
+            //Register to receive gain overload notifications
+            getTunerController().getControlRsp().setGainOverloadListener(this);
+        }
+
        getGainSlider().setEnabled(hasTuner());
        getGainValueLabel().setEnabled(hasTuner());
        getGainSlider().setValue(hasTuner() ? getTunerController().getControlRsp().getGain() : 0);
@@ -213,6 +230,7 @@ public class RspDxTunerEditor extends RspTunerEditor<RspDxTunerConfiguration>
            getConfiguration().setRfNotch(getRfNotchCheckBox().isSelected());
            getConfiguration().setAntenna((RspDxAntenna) getAntennaCombo().getSelectedItem());
            getConfiguration().setGain(getGainSlider().getValue());
+            getConfiguration().setAgcMode((AgcMode)getAgcModeCombo().getSelectedItem());

            saveConfiguration();
        }