Index: /trunk/BNC/bncmodel.cpp
===================================================================
--- /trunk/BNC/bncmodel.cpp	(revision 3386)
+++ /trunk/BNC/bncmodel.cpp	(revision 3387)
@@ -1286,7 +1286,5 @@
           if (iPhase == 1 || satData->system() != 'R') {
             QString prn = satData->prn;
-            if (findInVector(usedPrns, satData->prn)) {
-              addObs(iPhase, iObs, satData, AA, ll, PP);
-            }
+            addObs(iPhase, iObs, satData, AA, ll, PP);
           }
         }