How to verify GPS sentences are being sent from the Cradlepoint - How-to-verify-GPS-sentences-are-being-sent-from-the-Cradlepoint/How-to-verify-GPS-sentences-are-being-sent-from-the-Cradlepoint

Verify that the Cradlepoint is properly sending out GPS sentences

Cradlepoint router with GPS enabled

1. Obtain CLI access to the Cradlepoint
2. Execute the command: get status/gps
   • Verify you have at least 3 satellites (3 or more satellites are required for the Cradlepoint to get a GPS fix)

• If the device has Send to Client configured:
  1. Execute the command: telnet localhost x
     • The x represents what port the server is transmitting on
• If the device has Send to Server GPS configured:

1. Execute the command: devices
   • The output will help identify the name of the interface to listen on
   • Take note of the Iface value
2. Execute the command: tcpdump -i xxx port yyy
   • xxx represents the target Iface value (identified in Step 1)
   • yyy represents the port the Cradlepoint is sending sentences on
     • E.g. tcpdump -i eth0.2 port 22000

• If the device has Send to Serial configured:

1. Connect to the Cradlepoint's serial port and sentences will populate

• NCOS: Enabling GPS on your Series 3 Cradlepoint router
• GPS System-ID visible in sentence lines
  • Represents "System Identifier" field under System > Administration > Local Management