Index: trunk/ppSub/src/ppSubDefineOutput.c
===================================================================
--- trunk/ppSub/src/ppSubDefineOutput.c	(revision 37966)
+++ trunk/ppSub/src/ppSubDefineOutput.c	(revision 40344)
@@ -198,4 +198,12 @@
     psMetadataAddStr(tgtHeader, PS_LIST_TAIL, keyword, PS_META_REPLACE, "input image", string);
   }
+
+  // Copy PSREFCAT from the source to the target as well
+  snprintf(keyword, 80, "PSREFCAT");
+  char *string = psMetadataLookupStr(&status, srcHeader, keyword);
+  if (status) {
+    psMetadataAddStr(tgtHeader, PS_LIST_TAIL, keyword, PS_META_REPLACE, "input image reference catalog", string);
+  }
+  
   return true;
 }