diff --git a/network_backend.py b/network_backend.py
index 9893b60..129c754 100644
--- a/network_backend.py
+++ b/network_backend.py
@@ -84,18 +84,19 @@ class NetworkBackend(ABackend):
 
 if __name__ == "__main__":
 	server_list = [
-		{'name': "neo-f9p", 'host': "192.168.22.93", 'port': 8721},
+		{'name': " neo-f9p", 'host': "192.168.22.93", 'port': 8721},
 		{'name': "zed-x20p", 'host': "192.168.22.93", 'port': 8731}
 	]
 
 	# TCPIP multi source receiver
 	mc = NetworkBackend(server_list)
-	for grm in ["neo-f9p", "zed-x20p"]:
+	for grm in [" neo-f9p", "zed-x20p"]:
 		rx_list = [
-			Gll(grm, '--'),
-			Gsa(grm, '--'),
-			Gsv(grm, '--'),
-			Gga(grm, '--')
+			Gll(grm, 'GP'),
+			Gsa(grm, 'GP'),
+			Gsv(grm, 'GP'),
+			Gga(grm, 'GP'),
+			Gga(grm, 'GN')
 		]
 		# Topology
 		# Receiver-0.0 \