Index: trunk/psModules/src/concepts/pmConceptsStandard.c
===================================================================
--- trunk/psModules/src/concepts/pmConceptsStandard.c	(revision 34085)
+++ trunk/psModules/src/concepts/pmConceptsStandard.c	(revision 40873)
@@ -931,5 +931,5 @@
 
     if (!item || item->type != PS_DATA_S32) {
-        psWarning("Unable to find %s --- assuming UTC", timesysName);
+        psWarning("Unable to find %s in format file --- assuming UTC", timesysName);
         return PS_TIME_UTC;
     }
@@ -982,5 +982,5 @@
     if (concept->type != PS_DATA_STRING || strlen(sys) <= 0) {
         // XXX is this too low verbosity?
-        psWarning("Can't interpret %s --- assuming UTC.", pattern->name);
+        psWarning("Can't interpret %s --- assuming UTC (other options: TAI, UT1, TT).", pattern->name);
     } else if (strcasecmp(sys, "TAI") == 0) {
         timeSys = PS_TIME_TAI;
@@ -993,5 +993,5 @@
     } else {
         // XXX is this too low verbosity?
-        psWarning("Can't interpret %s --- assuming UTC.", pattern->name);
+        psWarning("Can't interpret %s --- assuming UTC (other options: TAI, UT1, TT).", pattern->name);
     }
 
@@ -1464,4 +1464,5 @@
                                        const pmCell *cell)
 {
+    psAssert (concept->type == PS_DATA_TIME, "programming error: concept not supplied with psTime pointer\n");
     psTime *time = concept->data.V;     // The time