Fixes #6760

radio/src/telemetry/frsky_sport.cpp

@@ -179,6 +179,9 @@ void sportProcessTelemetryPacketWithoutCrc(uint8_t origin, const uint8_t * packe
       }
       else {
         telemetryData.telemetryValid &= ~originMask;
+        // one module may send RSSI(0) while the other is still streaming
+        // in this case we don't want to update telemetryData.rssi
+        return;
       }
       if (g_model.rssiSource) {
         TelemetrySensor * sensor = &g_model.telemetrySensors[g_model.rssiSource - 1];