OGN-receiver-RPI-image
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Automatic receiver Geoloc
If not provided in configuration.
Can be based on:
- public IP -> Not very reliable
- Wifi MAC adresses -> Only if Pi3 or other Pi with wifi dongle. (https://developers.google.com/maps/documentation/geolocation/intro)
- public IP + OGN receiver selecting only strong signals
- Listen to GSM signal thanks to RTLSDR https://lemnet.fr/blog/post/interception-passive-sans-imsi-catcher-et-decodage-de-flux-gsm-avec-gr-gsm + Google geoloc.