Hello Michael, Unless your iPhone is jailbroken you'd need to use an GPS receiver that was Apple approved for compatibility, such as the Dual Electronics XGPS150A, the Bad Elf GPS Receiver, or the GNS 5870 MFi Bluetooth Receiver as an external GPS receiver. If you want to read more details on this subject, see my reply to Lovette's question about using a GPS apps on an iPod Touch a week ago in the forum archives. Here's the link to the post in the secondary Mail Archive for this list: • GPS on an iPod Touch [was Re: An Excellent GPS app for iPhone and visually impaired people] http://www.mail-archive.com/mac-access@mac-access.net/msg10357.html And you can use the access key shortcut Control-N (for Safari) to read down the thread.
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