diff --git a/client/mumble-plugin/fgcom-mumble.cpp b/client/mumble-plugin/fgcom-mumble.cpp
index 2ff449e9..e3fbf112 100644
--- a/client/mumble-plugin/fgcom-mumble.cpp
+++ b/client/mumble-plugin/fgcom-mumble.cpp
@@ -938,6 +938,14 @@ bool mumble_onAudioSourceFetched(float *outputPCM, uint32_t sampleCount, uint16_
         //   - we did not have any info on the client
         //   - the client was out of range
         //   - we did not tune the frequency (or radio was broken, or radio squelch cut off)
+#ifdef DEBUG
+        // Debug code: Allow override of signal quality for debugging purposes
+        if (fgcom_debug_signalstrength >= 0) {
+            bestSignalStrength = fgcom_debug_signalstrength;
+            pluginDbg("mumble_onAudioSourceFetched():   signalQuality debug override to "+std::to_string(fgcom_debug_signalstrength)+" in effect!");
+        }
+#endif
+
         rv = true; // we adjust the stream in any case
         if (isLandline) {
             // we got a landline connection!
diff --git a/client/mumble-plugin/lib/io_UDPServer.cpp b/client/mumble-plugin/lib/io_UDPServer.cpp
index cd54084c..e0ad57e1 100644
--- a/client/mumble-plugin/lib/io_UDPServer.cpp
+++ b/client/mumble-plugin/lib/io_UDPServer.cpp
@@ -62,6 +62,10 @@
 #include "mumble/MumblePlugin_v_1_0_x.h"
 #include "fgcom-mumble.h"
 
+#ifdef DEBUG
+    float fgcom_debug_signalstrength = -1;
+#endif
+
 
 /*
  * Process a received message:
@@ -401,6 +405,17 @@ std::map<int, fgcom_udp_parseMsg_result> fgcom_udp_parseMsg(char buffer[MAXLINE]
                 if (token_key == "AUDIO_FX_RADIO") {
                     fgcom_cfg.radioAudioEffects = (token_value == "0" || token_value == "false" || token_value == "off")? false : true;
                 }
+                
+                
+#ifdef DEBUG
+                // DEBUG: allow override of signal quality for incoming transmissions
+                if (token_key == "DEBUG_SIGQLY") {
+                    fgcom_debug_signalstrength = std::stof(token_value);
+                    if (fgcom_debug_signalstrength > 1) fgcom_debug_signalstrength = 1;
+                    if (fgcom_debug_signalstrength < 0) fgcom_debug_signalstrength = -1;
+                    pluginDbg("[UDP-server] debug override of signal quality updated to "+std::to_string(fgcom_debug_signalstrength));
+                }
+#endif
             
            
             } else {
diff --git a/client/mumble-plugin/lib/io_UDPServer.h b/client/mumble-plugin/lib/io_UDPServer.h
index 5840c99d..85063ab2 100644
--- a/client/mumble-plugin/lib/io_UDPServer.h
+++ b/client/mumble-plugin/lib/io_UDPServer.h
@@ -25,6 +25,11 @@
 #define MAXLINE             1024  // max byte size of a udp packet
 
 
+#ifdef DEBUG
+    // Debug code: Allow override of signal quality for debugging purposes
+    extern float fgcom_debug_signalstrength;  // <0 to disable
+#endif
+
 
 /*
  * Spawn the udp server thread.