Index: trunk/BNC/bncgetthread.cpp
===================================================================
--- trunk/BNC/bncgetthread.cpp	(revision 3544)
+++ trunk/BNC/bncgetthread.cpp	(revision 3545)
@@ -78,5 +78,7 @@
   _rawFile      = rawFile;
   _format       = rawFile->format();
-  _staID        = rawFile->staID();
+  if (!_staID.isEmpty()) {
+    _staID        = rawFile->staID();
+  }
   _rawOutput    = false;
   _ntripVersion = "N";