Hello Support ,
I could not get GPS to work
pi@ttn-gateway : ~ $ cat /dev/ttyAMA0
?$GPTXT,01,01,01,NMEA unknown msg*58
$GPTXT,01,01,01,NMEA unknown msg*58
$GPTXT,01,01,01,NMEA unknown msg*58
$GPRMC,115257.00,A,0630.49060,N,00320.92548,E,0.025,230219,A*74
$GPTXT,01,01,01,NMEA unknown msg*58
$GPVTG,T,M,0.025,N,0.047,K,A*27
$GPGGA,115257.00,0630.49060,N,00320.92548,E,1,08,0.88,7.7,M,19.8,M,*5C
$GPGSA,A,3,12,24,19,15,05,13,02,17,2.15,0.88,1.97*01
$GPGSV,3,1,11,02,15,174,26,05,56,192,35,06,04,143,12,41,226,38*7E
$GPGSV,3,2,11,13,46,027,42,15,35,342,29,17,23,076,38,19,34,105,30*72
pi@ttn-gateway : ~ $ sudo systemctl status ttn-gateway
● ttn-gateway.service - The Things Network Gateway
Loaded: loaded (/lib/systemd/system/ttn-gateway.service; enabled; vendor preset: enabled)
Active: active (running) since Sat 2019-02-23 12:25:35 WAT; 29min ago
Main PID: 503 (start.sh)
CGroup: /system.slice/ttn-gateway.service
├─503 /bin/bash /opt/ttn-gateway/packet_forwarder/lora_pkt_fwd/start.sh
└─522 ./lora_pkt_fwd
Feb 23 12:55:23 ttn-gateway ttn-gateway[503]: INFO: [down] PULL_ACK received in 160 ms
Feb 23 12:55:23 ttn-gateway ttn-gateway[503]: INFO: [down] PULL_ACK received in 171 ms
Feb 23 12:55:23 ttn-gateway ttn-gateway[503]: INFO: Disabling GPS mode for concentrator’s counter…
Feb 23 12:55:23 ttn-gateway ttn-gateway[503]: INFO: host/sx1301 time offset=(1550921240s:551765µs) - drift=-541µs
Feb 23 12:55:23 ttn-gateway ttn-gateway[503]: INFO: Enabling GPS mode for concentrator’s counter.
Feb 23 12:55:23 ttn-gateway ttn-gateway[503]: ##### 2019-02-23 11:55:23 GMT #####
Feb 23 12:55:23 ttn-gateway ttn-gateway[503]: ### [UPSTREAM] ###
Feb 23 12:55:23 ttn-gateway ttn-gateway[503]: # RF packets received by concentrator: 0
Feb 23 12:55:23 ttn-gateway ttn-gateway[503]: # CRC_OK: 0.00%, CRC_FAIL: 0.00%, NO_CRC: 0.00%
Feb 23 12:55:23 ttn-gateway ttn-gateway[503]: # RF packets forwarded: 0 (0 bytes)
pi@ttn-gateway : ~ $
is there a problem with so many “$GPTXT,01,01,01,NMEA unknown msg*58” shown