Index: /trunk/BNC/bncnetqueryrtp.cpp
===================================================================
--- /trunk/BNC/bncnetqueryrtp.cpp	(revision 1532)
+++ /trunk/BNC/bncnetqueryrtp.cpp	(revision 1533)
@@ -150,6 +150,10 @@
            + "User-Agent: NTRIP BNC/" BNCVERSION "\r\n"
            + "Transport: RTP/GNSS;unicast;client_port=" + clientPort + "\r\n"
-           + userAndPwd 
-           + "\r\n";
+           + userAndPwd;
+    if (!gga.isEmpty()) {
+      reqStr += "Ntrip-GGA: " + gga + "\r\n";
+    }
+    reqStr += "\r\n";
+
     _socket->write(reqStr, reqStr.length());