5 ms·

It certainly does. Pure inertial guidance with smartphone sensors is garbage. I must say I'm a bit startled by how many people evidently think that GPS is an

• nradov 5y ago
  Cell phones use A-GPS which relies on cellular data service. It allows for faster position fixes using base station signals. Of course a cell phone with a view of the sky can still get a position fix entirely from satellites, it just takes a little longer.
  • Eelongate 5y ago
    I've used GPS navigation extensively on my phone with no internet service; I drove clear across Canada with my simcard pulled, it works fine. If I had to guess, these conflations of cell service with GPS are a product of misleading UX created by Google. OSMAnd makes the nature of GPS clear, displaying a count of satellites it's managed to hear. Enough satellites to get a location good enough for car navigation almost always takes less than a minute.
  • astrange 5y ago
    There are some other aspects of locations that use downloaded data, like building heights, wifi base station locations, etc.