Index: trunk/BNC/src/PPP/pppRun.cpp
===================================================================
--- trunk/BNC/src/PPP/pppRun.cpp	(revision 5933)
+++ trunk/BNC/src/PPP/pppRun.cpp	(revision 5934)
@@ -176,5 +176,10 @@
       map<string, t_frqObs*> frqObsMap;
       for (unsigned iEntry = 0; iEntry < GNSSENTRY_NUMBER; iEntry++) {
-        string hlp(t_rnxObsFile::type2to3(oldObs.satSys, oldObs.rnxStr(iEntry)).toAscii().data());
+
+        QString rnxStr = oldObs.rnxStr(iEntry);
+        if (rnxStr.length() == 2) {
+          rnxStr = t_rnxObsFile::type2to3(oldObs.satSys, rnxStr);
+        }
+        string hlp = rnxStr.toAscii().data();
 
         if (hlp.length() >= 2 && oldObs._measdata[iEntry] != 0.0) {