Index: trunk/ippconfig/gpc1/format_20090220.config
===================================================================
--- trunk/ippconfig/gpc1/format_20090220.config	(revision 23818)
+++ trunk/ippconfig/gpc1/format_20090220.config	(revision 24338)
@@ -223,5 +223,5 @@
         CELL.TIME       STR     SHUTOUTC	# Observation time
         CELL.GAIN       STR     GAIN		# Cell gain (e/ADU)
-        CELL.READNOISE  STR     RDNOISE		# Cell read noise (ADU)
+###        CELL.READNOISE  STR     RDNOISE		# Cell read noise (ADU)
         CELL.SATURATION STR     MAXLIN		# Saturation point (ADU)
 END
@@ -497,4 +497,69 @@
 	CELL.YSIZE	S32	598
         CELL.TIMESYS    STR     UTC
+	# We currently don't trust the RDNOISE written in the header, especially
+	# for a few noisy chips.  Using our own measurements instead.
+###        CELL.READNOISE.DEPEND          STR     CHIP.NAME
+###        CELL.READNOISE         METADATA
+###          XY01  F32     EDITME
+###          XY02  F32     EDITME
+###          XY03  F32     EDITME
+###          XY04  F32     EDITME
+###          XY05  F32     EDITME
+###          XY06  F32     EDITME
+###          XY10  F32     EDITME
+###          XY11  F32     EDITME
+###          XY12  F32     EDITME
+###          XY13  F32     EDITME
+###          XY14  F32     EDITME
+###          XY15  F32     EDITME
+###          XY16  F32     EDITME
+###          XY17  F32     EDITME
+###          XY20  F32     EDITME
+###          XY21  F32     EDITME
+###          XY22  F32     EDITME
+###          XY23  F32     EDITME
+###          XY24  F32     EDITME
+###          XY25  F32     EDITME
+###          XY26  F32     EDITME
+###          XY27  F32     EDITME
+###          XY30  F32     EDITME
+###          XY31  F32     EDITME
+###          XY32  F32     EDITME
+###          XY33  F32     EDITME
+###          XY34  F32     EDITME
+###          XY35  F32     EDITME
+###          XY36  F32     EDITME
+###          XY37  F32     EDITME
+###          XY40  F32     EDITME
+###          XY41  F32     EDITME
+###          XY42  F32     EDITME
+###          XY43  F32     EDITME
+###          XY44  F32     EDITME
+###          XY45  F32     EDITME
+###          XY46  F32     EDITME
+###          XY47  F32     EDITME
+###          XY50  F32     EDITME
+###          XY51  F32     EDITME
+###          XY52  F32     EDITME
+###          XY53  F32     EDITME
+###          XY54  F32     EDITME
+###          XY55  F32     EDITME
+###          XY56  F32     EDITME
+###          XY57  F32     EDITME
+###          XY60  F32     EDITME
+###          XY61  F32     EDITME
+###          XY62  F32     EDITME
+###          XY63  F32     EDITME
+###          XY64  F32     EDITME
+###          XY65  F32     EDITME
+###          XY66  F32     EDITME
+###          XY67  F32     EDITME
+###          XY71  F32     EDITME
+###          XY72  F32     EDITME
+###          XY73  F32     EDITME
+###          XY74  F32     EDITME
+###          XY75  F32     EDITME
+###          XY76  F32     EDITME
+###        END
 END