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A comment on Fog of World. Parent comment

Re:Fog of World by Wintamute on Sunday September 30, 2012 @08:43AM (#4592729)
You don't need an internet connection to get a GPS fix, so this app would work fine anywhere I think. You then need internet connectivity to sync your accumulated lat/long data back to your account.
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Re:Fog of World by vhf on Sunday September 30, 2012 @09:12AM (#4592781)
Not only you don't need an internet connection to get a GPS fix, but also iPhones geolocation data don't rely on GPS only.

http://en.wikipedia.org/wiki/Assisted_GPS

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