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by _k2vp 466 days ago
https://github.com/acheong08/apple-corelocation-experiments

I worked on this a while back in parallel. You can dump Apple's entire database in ~2 weeks. Around 3 billion records including China.

You can compress it down to only a few gigs and have everything offline. I also got a ichnaea proxy though not as well tested. Been using it myself and it's alright,