Index: trunk/BNC/bncephuser.cpp
===================================================================
--- trunk/BNC/bncephuser.cpp	(revision 3517)
+++ trunk/BNC/bncephuser.cpp	(revision 3518)
@@ -168,4 +168,5 @@
 
   if (messageType < 0) {
+    messageType = -messageType;
     xyzCorr = true;  // correction in xyz instead of rao
   }