4 ms·
It would work the same way it does on earth. Spacebee satellites are at 500km and GPS satellites are at 20,000km, so it shouldn't be a problem getting a signal.
by cpncrunch 9y ago
It would work the same way it does on earth. Spacebee satellites are at 500km and GPS satellites are at 20,000km, so it shouldn't be a problem getting a signal. You can even pick up GPS at higher orbits than 20000km, but it is more difficult:
https://www.technologyreview.com/s/401315/gps-in-space/ https://www.technologyreview.com/s/401315/gps-in-space/
- atommclain 9y agoI was under the impression that all non-military GPS devices did not work after certain thresholds such as speed were exceeded to prevent them from being used in missiles. https://en.wikipedia.org/wiki/Coordinating_Committee_for_Multilateral_Export_Controls#Legacy https://en.wikipedia.org/wiki/Coordinating_Committee_for_Mul...
- incompatible 9y agoHave to wonder if any manufacturers in non-COCOM countries are able to supply such units.
- askvictor 9y agoOr how long before you can get around this with an SDR. Edit: looks like you already can: http://gnss-sdr.org/ http://gnss-sdr.org/
- pests 9y agoEntirely client side. Signal received is the same for everyone. Military has access to higher resolution timestamps to improve accuracy.