Index: trunk/BNC/src/rinex/rnxobsfile.cpp
===================================================================
--- trunk/BNC/src/rinex/rnxobsfile.cpp	(revision 7804)
+++ trunk/BNC/src/rinex/rnxobsfile.cpp	(revision 7805)
@@ -314,4 +314,5 @@
 
   _comments << "Default set of observation types used";
+  _comments.removeDuplicates();
 
   _obsTypes.clear();
@@ -394,5 +395,4 @@
   _usedSystems     = header._usedSystems;
   _comments        = header._comments;
-  _comments.removeDuplicates();
 
   for (unsigned iPrn = 1; iPrn <= t_prn::MAXPRN_GPS; iPrn++) {