Index: trunk/BNC/combination/bnccomb.cpp
===================================================================
--- trunk/BNC/combination/bnccomb.cpp	(revision 3554)
+++ trunk/BNC/combination/bnccomb.cpp	(revision 3555)
@@ -366,4 +366,14 @@
   else {
     corrs.append(newCorr);
+  }
+
+  if (_resTime.valid()) {
+    QListIterator<unsigned long> it(_buffer.keys());
+    while (it.hasNext()) {
+      unsigned long epoTime = it.next();
+      if (epoTime <= _resTime.longSec()) {
+        _buffer.remove(epoTime);
+      }
+    }
   }
 }
