Smartphones, airplane mode, and GPS - Page 2

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  1. #11
    Quote Originally Posted by Edd View Post
    It appears you're correct; so it was satellites, in my case. I'd been Goggling airplane mode, location tracking, how does it track in airplane mode, and seeing every answer under the sun.

    The implications of that are great in terms of saving data. I only have a 2 GB limit so I'm very careful with using maps apps. I'm going to start downloading offline maps for trips from now on. This was the first time I'd done that so the fact that it was tracking location blew my mind.
    The GPS is not satelitte GPS in the iphone. It uses triangulation form cell towers as GPS as far as I know.
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  2. #12
    Edd's Avatar
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    Smartphones, airplane mode, and GPS

    Quote Originally Posted by Puck it View Post
    The GPS is not satelitte GPS in the iphone. It uses triangulation form cell towers as GPS as far as I know.
    Not sure about this source but it seems thorough.

    http://gps.about.com/od/gpsproductov...-Set-It-Up.htm

    Also this: http://www.adventurealan.com/iphone-...p-backpacking/



    A notable quote from the article: "To clarify a common misconception: You do NOT need WiFi or Cellular connection for the GPS to work; however you do need to have pre-downloaded the map content to your App in order to have your current location show up on a map."
    Last edited by Edd; Oct 14, 2016 at 11:47 AM.

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