Gateway set location

Hello, There is no GPS installed in my gateway. I want to simulate the GPS data upload and see if the location can be displayed in the TTN Console.The location was not shown in the console.My datagram:
image

TTN console not location:
image

what type off gateway do you use ?
most gateways you can set location manually

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I’m using the BeagleBone gateway, the packet_forwarder program running on it.

you can set it in the console

gw%20console%20location