Index: trunk/psModules/src/astrom/pmAstrometryObjects.c
===================================================================
--- trunk/psModules/src/astrom/pmAstrometryObjects.c	(revision 17424)
+++ trunk/psModules/src/astrom/pmAstrometryObjects.c	(revision 17437)
@@ -8,6 +8,6 @@
 *  @author EAM, IfA
 *
-*  @version $Revision: 1.38 $ $Name: not supported by cvs2svn $
-*  @date $Date: 2008-03-18 18:38:14 $
+*  @version $Revision: 1.39 $ $Name: not supported by cvs2svn $
+*  @date $Date: 2008-04-11 07:42:05 $
 *
 *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -756,5 +756,5 @@
 	    newStat->center = center;
 
-	    if (isfinite(newStat->minMetric) && (newStat->minMetric < minStat->minMetric)) {
+	    if (isfinite(newStat->minMetric) && (newStat->minMetric > 0.0) && (newStat->minMetric < minStat->minMetric)) {
 		*minStat = *newStat;
 		psLogMsg ("psModule.astrom", 4, "grid test - offset: %7.2f,%7.2f @ %6.1f deg x %7.3f (%4d pts, %5.1f sig, %5.1f var, %6.3f log metric) *",