Index: /trunk/BNC/src/combination/bnccomb.cpp
===================================================================
--- /trunk/BNC/src/combination/bnccomb.cpp	(revision 10497)
+++ /trunk/BNC/src/combination/bnccomb.cpp	(revision 10498)
@@ -1008,4 +1008,9 @@
         << " Maximum Residuum " << maxRes << ' '
         << corrs(sys)[maxResIndex-1]->_acName << ' ' << corrs(sys)[maxResIndex-1]->_prn.mid(0,3);
+    double facSys = 1.0;
+    if (sys == 'C' &&
+        corrs(sys)[maxResIndex-1]->_prn.mid(1,2).toInt() <= 16) {// BDS-2
+      facSys *= 2.0;
+    }
     if (maxRes > _MAX_RES) {
       for (int iPar = 1; iPar <= _params[sys].size(); iPar++) {