P25 Work in progress. Adds CRC checking to NID/DUID. Adds limiter to trellis decoder to prevent it from decoding an excessive error message. Updates channel state with initial handling/generation of call events.

src/decode/p25/message/tsbk/osp/control/TimeAndDateAnnouncement.java

@@ -54,7 +54,8 @@ public class TimeAndDateAnnouncement extends TSBKMessage
         {
         	sb.append( " DATE-TIME:" );
         }
-        
+
+        sb.append( " " );
         sb.append( mTimeFormatter.format( new Date( getDateTimestamp() ) ) );
         
         return sb.toString();