Index: trunk/BNC/src/PPP/pppFilter.cpp
===================================================================
--- trunk/BNC/src/PPP/pppFilter.cpp	(revision 9637)
+++ trunk/BNC/src/PPP/pppFilter.cpp	(revision 9641)
@@ -791,5 +791,5 @@
     if (refPrnNew != refPrnOld) {
       t_irc irc = resetAmb(refPrnOld, allObs);
-      //if (OPT->_obsModelType == OPT->DCMcodeBias) {if (irc == success) {addNoiseToIono(sys);}}
+      if (OPT->_obsModelType == OPT->DCMcodeBias) {if (irc == success) {addNoiseToIono(sys);}}
     }
   }