- fixed parsing

- added RMC

network_backend.py

@@ -10,6 +10,7 @@ from nmea.GLL import Gll
 from nmea.GSA import Gsa
 from nmea.GSV import Gsv
 from nmea.GGA import Gga
+from nmea.RMC import Rmc
 
 class NetworkBackend(ABackend):
 	def __init__(self, servers: list[dict]):
@@ -92,10 +93,11 @@ if __name__ == "__main__":
 	mc = NetworkBackend(server_list)
 	for grm in [" neo-f9p", "zed-x20p"]:
 		rx_list = [
-			Gll(grm, 'GP'),
-			Gsa(grm, 'GP'),
+			Gll(grm, 'GN'),
+			Gsa(grm, 'GN'),
 			Gsv(grm, 'GP'),
 			Gga(grm, 'GP'),
+			Rmc(grm, 'GN'),
 			Gga(grm, 'GN')
 		]
 		# Topology