Index: trunk/BNC/src/bncnetqueryudp.cpp
===================================================================
--- trunk/BNC/src/bncnetqueryudp.cpp	(revision 6573)
+++ trunk/BNC/src/bncnetqueryudp.cpp	(revision 6574)
@@ -136,5 +136,5 @@
                       + "Host: " + _url.host().toAscii() + "\r\n"
                       + "Ntrip-Version: Ntrip/2.0\r\n"
-                      + "User-Agent: NTRIP BNC/" BNCVERSION "\r\n";
+                      + "User-Agent: NTRIP BNC/" BNCVERSION " (" BNC_OS ")\r\n";
     if (!gga.isEmpty()) {
       reqStr += "Ntrip-GGA: " + gga + "\r\n";