Index: trunk/BNC/src/PPP/pppParlist.cpp
===================================================================
--- trunk/BNC/src/PPP/pppParlist.cpp	(revision 9496)
+++ trunk/BNC/src/PPP/pppParlist.cpp	(revision 9497)
@@ -477,9 +477,4 @@
   }
 
-  if (_usedSystems.size() > 1 &&
-      !_usedSystems.contains('G')) { // required to setup ISB w. r. t. GPS
-    return failure;
-  }
-
   // Required Set of Parameters
   // --------------------------
@@ -584,19 +579,13 @@
   // GPS-GLONASS Clock Offset
   // ------------------------
-  if (_usedSystems.contains('G') && _usedSystems.contains('R')) {
-    required.push_back(new t_pppParam(t_pppParam::offGR, t_prn(), t_lc::dummy));
-  }
+  required.push_back(new t_pppParam(t_pppParam::offGR, t_prn(), t_lc::dummy));
 
   //GPS-Galileo Clock Offset
   // ------------------------
-  if (_usedSystems.contains('G') && _usedSystems.contains('E')) {
-    required.push_back(new t_pppParam(t_pppParam::offGE, t_prn(), t_lc::dummy));
-  }
+  required.push_back(new t_pppParam(t_pppParam::offGE, t_prn(), t_lc::dummy));
 
   // GPS-BDS Clock Offset
   // ------------------------
-  if (_usedSystems.contains('G') && _usedSystems.contains('C')) {
-    required.push_back(new t_pppParam(t_pppParam::offGC, t_prn(), t_lc::dummy));
-  }
+  required.push_back(new t_pppParam(t_pppParam::offGC, t_prn(), t_lc::dummy));
 
   // Troposphere
Index: trunk/BNC/src/PPP/pppSatObs.cpp
===================================================================
--- trunk/BNC/src/PPP/pppSatObs.cpp	(revision 9496)
+++ trunk/BNC/src/PPP/pppSatObs.cpp	(revision 9497)
@@ -203,5 +203,5 @@
   bool valid = true;
   obsValue(tLC, &valid);
-  //qDebug() << "tLC: " << tLC << "  valid: " << valid;
+
   return valid;
 }