diff --git a/src/MultiPlayer/multiplaymgr.cxx b/src/MultiPlayer/multiplaymgr.cxx
index 065698c..2e34b6e 100644
--- a/src/MultiPlayer/multiplaymgr.cxx
+++ b/src/MultiPlayer/multiplaymgr.cxx
@@ -1440,7 +1440,7 @@ FGMultiplayMgr::SendMyPosition(const FGExternalMotionData& motionInfo)
 
         std::string mAirportid = fgGetString("/instrumentation/comm/airport-id");
         strncpy(PosMsg->airport, mAirportid.c_str(), 4);
-        PosMsg->airport[4 - 1] = '\0';
+        //PosMsg->airport[4 - 1] = '\0';
 
 
         float heading = ifce.get_Psi();
@@ -1452,27 +1452,32 @@ FGMultiplayMgr::SendMyPosition(const FGExternalMotionData& motionInfo)
         PosMsg->jwhtext[2] = XDR_encode_float (roll);
 
         SGPropertyNode* n = fgGetNode("/instrumentation/gps/indicated-ground-speed-kt",true);
-        float speed =  n->getDoubleValue();
-        PosMsg->jwhtext[3] = XDR_encode_float (speed);
+        float xxx =  n->getDoubleValue();
+        PosMsg->jwhtext[3] = XDR_encode_float (xxx);
        
-       /*
-        n = fgGetNode("/instrumentation/gps/indicated-vertical-speed");
+        xxx = fgGetDouble("/instrumentation/gps/indicated-vertical-speed");
+        PosMsg->jwhtext[4] = XDR_encode_float (xxx);
 
-        n = fgGetNode("/instrumentation/airspeed-indicator/indicated-speed-kt");  //指示空速
+        xxx = fgGetDouble("/instrumentation/airspeed-indicator/indicated-speed-kt");  //指示空速
+        PosMsg->jwhtext[5] = XDR_encode_float (xxx);
 
-        n = fgGetNode("/instrumentation/airspeed-indicator/true-speed-kt");  //真空速
+        xxx = fgGetDouble("/instrumentation/airspeed-indicator/true-speed-kt");  //真空速
+        PosMsg->jwhtext[6] = XDR_encode_float (xxx);
         
-        n = fgGetNode("/instrumentation/gps/indicated-longitude-deg");
+        xxx = fgGetDouble("/instrumentation/gps/indicated-longitude-deg");
+        PosMsg->jwhtext[7] = XDR_encode_float (xxx);
         
-        n = fgGetNode("/instrumentation/gps/indicated-latitude-deg");
+        xxx = fgGetDouble("/instrumentation/gps/indicated-latitude-deg");
+        PosMsg->jwhtext[8] = XDR_encode_float (xxx);
         
-        n = fgGetNode("/instrumentation/gps/indicated-altitude-ft");
-        
-        n = fgGetNode("/instrumentation/comm/airport-id");  //起飞机场
-        
-        n = fgGetNode("/instrumentation/comm/frequencies/selected-mhz");   //守护频点
+        xxx = fgGetDouble("/instrumentation/gps/indicated-altitude-ft");
+        PosMsg->jwhtext[9] = XDR_encode_float (xxx);
+                
+        xxx = fgGetDouble("/instrumentation/comm/frequencies/selected-mhz");   //守护频点
+        PosMsg->jwhtext[10] = XDR_encode_float (xxx);
 
-        n = fgGetNode("/instrumentation/transponder/id-code");
+        xxx = fgGetDouble("/instrumentation/transponder/id-code");
+        PosMsg->jwhtext[11] = XDR_encode_float (xxx);
         
         //n = fgGetNode("");