Index: /trunk/BNC/src/PPP/pppSatObs.cpp
===================================================================
--- /trunk/BNC/src/PPP/pppSatObs.cpp	(revision 7261)
+++ /trunk/BNC/src/PPP/pppSatObs.cpp	(revision 7262)
@@ -493,10 +493,10 @@
   for (it = codeCoeff.begin(); it != codeCoeff.end(); it++) {
     t_frequency::type tFreq = it->first;
-    dispPart += it->second * (_model._antPCO[tFreq] + _model._codeBias[tFreq] +
+    dispPart += it->second * (_model._antPCO[tFreq] - _model._codeBias[tFreq] +
                               _model._ionoCodeDelay[tFreq]);
   }
   for (it = phaseCoeff.begin(); it != phaseCoeff.end(); it++) {
     t_frequency::type tFreq = it->first;
-    dispPart += it->second * (_model._antPCO[tFreq] + _model._phaseBias[tFreq] +
+    dispPart += it->second * (_model._antPCO[tFreq] - _model._phaseBias[tFreq] +
                               _model._windUp * t_CST::lambda(tFreq, _channel)  -
                               _model._ionoCodeDelay[tFreq]);