Join Date: Feb 2013
Location: Minneapolis, MN
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Re: Garmin Blue Chart Mobile apps - hate to buy charts again
I believe both versions of the iPad have the GPS, the non-cellular (wifi-only) version just doesn't have a way to receive the signal from the satellite.
The non-3G iPad does NOT have a GPS receiver in it. On land it can approximate your location by triangulating WiFi signals. As you noted, you can add an external GPS receiver.
All 3G iPads have a GPS receiver in them.