Index: trunk/ippScripts/scripts/diff_skycell.pl
===================================================================
--- trunk/ippScripts/scripts/diff_skycell.pl	(revision 17792)
+++ trunk/ippScripts/scripts/diff_skycell.pl	(revision 17797)
@@ -47,5 +47,5 @@
        { name => "ROBUST_MEDIAN",   type => "mean", flag => "-bg",         dtype => "float" },
        { name => "ROBUST_STDEV",    type => "rms",  flag => "-bg_stdev",   dtype => "float" },
-       { name => "DT_DIFF",         type => "sum",  flag => "-dtime_diff", dtype => "float" },
+       { name => "DT_SUB",          type => "sum",  flag => "-dtime_diff", dtype => "float" },
        { name => "SUBTRACTION.NUM", type => "mean", flag => "-stamps_num", dtype => "int" },
        { name => "SUBTRACTION.RMS", type => "mean", flag => "-stamps_rms", dtype => "float" },