Index: trunk/BNS/bns.cpp
===================================================================
--- trunk/BNS/bns.cpp	(revision 779)
+++ trunk/BNS/bns.cpp	(revision 780)
@@ -164,4 +164,17 @@
   }
 
-
+  if (pair->eph == 0) {
+    pair->eph = ep;
+  }
+  else {
+    if (ep->GPSweek >  pair->eph->GPSweek ||
+        (ep->GPSweek == pair->eph->GPSweek && ep->TOC > pair->eph->TOC)) {
+      delete pair->oldEph;
+      pair->oldEph = pair->eph;
+      pair->eph    = ep;
+    }
+    else {
+      delete ep;
+    }
+  }
 }