Index: branches/BNC_2.12/src/combination/bnccomb.cpp
===================================================================
--- branches/BNC_2.12/src/combination/bnccomb.cpp	(revision 8446)
+++ branches/BNC_2.12/src/combination/bnccomb.cpp	(revision 8448)
@@ -359,5 +359,6 @@
     // Check Modulo Time
     // -----------------
-    if (int(clkCorr._time.gpssec()) % _cmbSampl != 0.0) {
+    int sec = int(nint(clkCorr._time.gpssec()*10));
+    if (sec % (_cmbSampl*10) != 0.0) {
       continue;
     }