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    Re: Sextant and iPhone on the QM2
    From: Nial McInerney
    Date: 2013 Dec 5, 06:51 -0800

    Since the failure of my iPhone's GPS for over a thousand miles of ocean seems to be of interest I will add some points that might be relevant. This device was unlocked and had the sim removed for many months. It functioned perfectly when compared with another iPhone that did have a sim and a contract and also compared with my hand held Garmin. I tried that damn phone all over the top deck on the ship thinking that radio interference might be the culprit. Regretfully I didn't test the other iPhone in as many places, just a few, having assumed I would get the same result. RF interference would have surprised me because the device worked for many hundreds of miles and worked again as we neared Europe. But of course there is a lot I don't know. That ship has a lot of electronic equipment and may switch to different methods of navigation depending on location.
    Nial

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