Index: trunk/ippconfig/gpc1/format_mef.config
===================================================================
--- trunk/ippconfig/gpc1/format_mef.config	(revision 40538)
+++ trunk/ippconfig/gpc1/format_mef.config	(revision 40801)
@@ -4,5 +4,6 @@
 RULE	METADATA
 #	TELESCOP	STR	PS1
- 	DETECTOR	STR	GPC1
+#	DETECTOR	STR	GPC1 -- this was not used historically by gpc1. if we add it, smf files 
+# 				     	generated in the past will fail.
 	CONTROLR	STR	STARGRASP
 	PSFORMAT        STR     MEF