Index: branches/BNC_2.12/src/PPP_SSR_I/pppFilter.cpp
===================================================================
--- branches/BNC_2.12/src/PPP_SSR_I/pppFilter.cpp	(revision 7970)
+++ branches/BNC_2.12/src/PPP_SSR_I/pppFilter.cpp	(revision 7975)
@@ -1072,5 +1072,5 @@
       }
 
-      if (!nObs) {
+      if (int(nObs) < OPT->_minObs) {
         restoreState(epoData);
         return failure;