February 2011 Issue
Add-on GPS modules for the iPad and iPhone
The iPads built-in GPS has been a weak point from day one, and non-3G models didnt have GPS at all. Now there are two excellent alternatives.
After flying with iPads and iPhones ourselves and talking to many pilots who also do, weve concluded there are those whove had the internal GPS lose its locationand those who will. The issue isnt accuracy, so much as reliability. Some apps purposely dont offer items like georeferenced approach plates because they dont trust the GPS. But that may all change. There are add-on GPS units for the iPad/iPhone hitting the market. Two of the first are the plug-in Bad Elf and the Bluetooth GNS 5870 MFI.
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