Gregory's Server@beacondb is an open, and privacy-friendly network location service (just like Mozilla's now defunct location service), recommended by @GrapheneOS: https://grapheneos.org/articles/positon-location-service
Help the project by contributing Wi-Fi, Bluetooth and GSM location data through NeoStumbler, a FOSS app available on @fdroidorg
Official website: https://beacondb.net/
Source code on @Codeberg: https://codeberg.org/beacondb/beacondb
NeoStumbler on #fdroid: https://f-droid.org/packages/xyz.malkki.neostumbler.fdroid/
@Andromxda @beacondb @fdroidorg @Codeberg @GrapheneOS Mobian is following beacondb's progress to see if beacondb can be a viable a location data source. We encourage people to contribute to the db!