Index: trunk/ippconfig/sdssmosaic/psastro.config
===================================================================
--- trunk/ippconfig/sdssmosaic/psastro.config	(revision 22717)
+++ trunk/ippconfig/sdssmosaic/psastro.config	(revision 24032)
@@ -109,24 +109,25 @@
   FILTER   STR r
   ZEROPT   F32 24.0
-  PHOTCODE STR r
+  PHOTCODE STR r_SYNTH
 END
 PHOTCODE.DATA METADATA
   FILTER   STR i
   ZEROPT   F32 22.0
-  PHOTCODE STR i
+  PHOTCODE STR i_SYNTH
 END
 PHOTCODE.DATA METADATA
   FILTER   STR u
   ZEROPT   F32 23.8
-  PHOTCODE STR u
+  PHOTCODE STR g_SYNTH
+  # there is no u_SYNTH, so use g as a close substitute
 END
 PHOTCODE.DATA METADATA
   FILTER   STR z
   ZEROPT   F32 21.9
-  PHOTCODE STR z
+  PHOTCODE STR z_SYNTH
 END
 PHOTCODE.DATA METADATA
   FILTER   STR g
   ZEROPT   F32 24.4
-  PHOTCODE STR g
+  PHOTCODE STR g_SYNTH
 END