Quote:
Originally Posted by kjk
Maggie, GPS can work totally separately from wi-fi (or 3G for that matter). If you had access to maps on your device, for example (instead of needing to download them on the fly), GPS alone could locate you precisely.
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Not understanding how that works. Can't you already load maps on an iPad with only wi-fi? If I turn off the connection, how does the satellite know where I am? How does the communication happen?