Re: Best iPhone and iPad apps for sailing
jhorst1 has it right. Current iphones have a real gps receiver and the delay in locating the satts is only on intial boot, otherwise, I've had them at tens of thousand of feet above the ground and they work incredibly well.
The Ipad, however, must be a 3G model to have a GPS receiver. This confuses many to think it has something to do with the wireless network, but it is only how they packaged the devices. If you do not have a receiver on you Ipad, you can get a bluetooth one that is about the size of four or five stacked credit cards. The also have one that plugs directly in the power port on the device. They work incredibly well.
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In the harsh marine environment, something is always in need of repair. Margaritas fix everything.