Index: trunk/ippTools/src/stacktoolConfig.c
===================================================================
--- trunk/ippTools/src/stacktoolConfig.c	(revision 29283)
+++ trunk/ippTools/src/stacktoolConfig.c	(revision 29299)
@@ -186,5 +186,5 @@
     psMetadata *sumskyfileArgs= psMetadataAlloc();
     psMetadataAddS64(sumskyfileArgs, PS_LIST_TAIL, "-stack_id", 0,            "search by stack ID", 0);
-    psMetadataAddStr(sumskyfileArgs, PS_LIST_TAIL, "-tess_id", 0,            "search by tess ID", 0);
+    psMetadataAddStr(sumskyfileArgs, PS_LIST_TAIL, "-tess_id", 0,            "search by tess ID (LIKE comparison)", 0);
     psMetadataAddStr(sumskyfileArgs, PS_LIST_TAIL, "-skycell_id", 0,         "search by skycell ID", 0);
 #ifdef notdef
@@ -197,4 +197,6 @@
     psMetadataAddStr(sumskyfileArgs, PS_LIST_TAIL, "-data_group", 0,        "search by stackRun.data_group (LIKE comparison)", NULL);
     psMetadataAddStr(sumskyfileArgs, PS_LIST_TAIL, "-filter", 0,            "search by filter (LIKE comparison)", NULL);
+    psMetadataAddF64(sumskyfileArgs, PS_LIST_TAIL, "-mjd_obs_begin",  0,      "search by mjd_obs (average mjd_obs of inputs <=)", NAN);
+    psMetadataAddF64(sumskyfileArgs, PS_LIST_TAIL, "-mjd_obs_end",  0,      "search by mjd_obs (average mjd_obs of inputs>=)", NAN);
     psMetadataAddS16(sumskyfileArgs, PS_LIST_TAIL, "-fault",  0,            "search by fault code", 0);
     psMetadataAddU64(sumskyfileArgs, PS_LIST_TAIL, "-limit",  0,            "limit result set to N items", 0);
@@ -205,5 +207,5 @@
     psMetadata *sassskyfileArgs = psMetadataAlloc();
     psMetadataAddS64(sassskyfileArgs, PS_LIST_TAIL, "-sass_id", 0,           "search by stack association ID", 0);
-    psMetadataAddStr(sassskyfileArgs, PS_LIST_TAIL, "-tess_id", 0,            "search by tess ID", 0);
+    psMetadataAddStr(sassskyfileArgs, PS_LIST_TAIL, "-tess_id", 0,            "search by tess ID (LIKE comparison)", 0);
     psMetadataAddStr(sassskyfileArgs, PS_LIST_TAIL, "-projection_cell", 0,         "search by projection cell", 0);