Index: trunk/BNC/src/PPP/pppFilter.cpp
===================================================================
--- trunk/BNC/src/PPP/pppFilter.cpp	(revision 9997)
+++ trunk/BNC/src/PPP/pppFilter.cpp	(revision 9999)
@@ -765,5 +765,5 @@
     }
 
-    if (!iObs) {
+    if (!(iObs+1)) {
       continue;
     }
