Join Date: Oct 2009
Location: Swarthmore, PA
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So there is some historical reason for confusion here. Many devices in the past have been described as having GPS when they weren't actually communicating with the GPS satellite systems. And many devices can provide location information without it - for example the original iPhone.
But, as of today, nearly every cell phone and smart phone has a true, satelite based GPS chip, including the current iPhones and iPad...
...So what you'll see with an iPhone or iPad in the middle of the ocean is a device that's not exactly designed to be there. I suspect it's algorithms are optimized to leverage wireless data and will be surprised to fine none. The iPad will absolutely lock your location, it will just do it slowly.
You seem to be saying that all models of iPad, including the WiFi-only versions, have a GPS satellite chip in them. Can you confirm that this is true? If I get one, this fact will greatly affect which model I select.
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1998 Catalina 250WK Take Five (at Anchorage Marina, Essington, on the Delaware River)
1994 Mason 44 Firefly on loan from my BFF (West River, Galesville, MD)
1991 15' Trophy (Lake Wallenpaupack)
1985 14' Phantom (Lake Wallenpaupack)