Index: trunk/ippToPsps/jython/diffbatch.py
===================================================================
--- trunk/ippToPsps/jython/diffbatch.py	(revision 39123)
+++ trunk/ippToPsps/jython/diffbatch.py	(revision 39134)
@@ -775,13 +775,18 @@
             for table in tables:
                 # check for AP_NPIX columns: missing for SAS39
-                if table.name == "SkyChip_psf":
+                self.logger.debugPair("checking table", table.name)
+                if table.name == "SkyChip.psf":
                     columns = table.columns()
-                    if 'AP_NPIX' in columns:
-                        self.haveApNpix[num] = 1
-                    if 'PSF_FWHM_MAJ' in columns:
-                        self.havePsfFwhm[num] = 1
-                    if 'SRC_CHIP_X' in columns:
-                        self.haveSrcPos[num] = 1
-
+                    for column in columns:
+                        columnString = str(column)
+                        if columnString == 'AP_NPIX': 
+                            self.haveApNpix[num] = 1
+                            self.logger.debugPair("found AP_NPIX in file", fileNamePos)
+                        if columnString == 'PSF_FWHM_MAJ':
+                            self.havePsfFwhm[num] = 1
+                            self.logger.debugPair("found PSF_FWHM_MAG in file", fileNamePos)
+                        if columnString == 'SRC_CHIP_X':
+                            self.haveSrcPos[num] = 1
+                            self.logger.debugPair("found SRC_CHIP_X in file", fileNamePos)
 
                 myTable = table.name.replace(".","_") + "_" + str(num)