Don't compute radio station range when nav1 slaved to gps.

diff --git a/src/Instrumentation/navradio.cxx b/src/Instrumentation/navradio.cxx
index 021447007fb4d12866a5c96767f3c63e8fb9156e..bb107b47d82364cb5196d296edd093b796ac2bb3 100644 (file)
--- a/src/Instrumentation/navradio.cxx
+++ b/src/Instrumentation/navradio.cxx
@@ -460,7 +460,10 @@ FGNavRadio::update(double dt)
                    signal_quality_norm, dt );
         }
         signal_quality_norm_node->setDoubleValue( signal_quality_norm );
-        inrange = signal_quality_norm > 0.2;
+        if ( ! nav_slaved_to_gps_node->getBoolValue() ) {
+           /* not slaved to gps */
+            inrange = signal_quality_norm > 0.2;
+        }
         inrange_node->setBoolValue( inrange );
 
        if ( !is_loc ) {