diff --git a/utils/fgcom/fgcom_external.cxx b/utils/fgcom/fgcom_external.cxx
index 351e1d5..2727f0a 100644
--- a/utils/fgcom/fgcom_external.cxx
+++ b/utils/fgcom/fgcom_external.cxx
@@ -605,6 +605,8 @@ bool lib_call(std::string icao, double freq)
         SG_LOG( SG_GENERAL, SG_ALERT, "Warning: cannot call: " << num );
         return false;
     }
+    SG_LOG(SG_GENERAL, SG_DEBUG, "iaxc_call(" << num << ")");
+
     return true;
 }
 
@@ -622,6 +624,8 @@ bool lib_directCall(std::string icao, double freq, std::string num)
         SG_LOG( SG_GENERAL, SG_ALERT, "Warning: cannot call: " << num );
         return false;
     }
+    SG_LOG(SG_GENERAL, SG_DEBUG, "iaxc_call(" << num << ")");
+
     return true;
 }