Index: /issm/trunk/src/m/classes/model.m
===================================================================
--- /issm/trunk/src/m/classes/model.m	(revision 8228)
+++ /issm/trunk/src/m/classes/model.m	(revision 8229)
@@ -164,4 +164,5 @@
 		 spcthickness=NaN;
 		 spcwatercolumn=NaN;
+		 diagnostic_ref=NaN;
 
 		 %Observations