How does iPod Touch determine my current location?

Discussion in 'iPod touch' started by agkm800, Jul 29, 2009.

  1. agkm800 macrumors 6502a

    agkm800

    Joined:
    Jun 18, 2009
    #1
    iPod Touch can determine my current location without GPS. So, I thought it does it via wi-fi; perhaps, by recognizing my IP address or something? I don't know.

    Nevertheless, what I don't understand is that it cannot determine my current location when I go down to the basement where our wireless router is actually located, thus where the wi-fi signal is the strongest in our entire house.
     
  2. Doctor Q Administrator

    Doctor Q

    Staff Member

    Joined:
    Sep 19, 2002
    Location:
    Los Angeles
    #2
    It doesn't use your own router's Wi-Fi signal. It uses predetermined Wi-Fi networks in your area.

    Here's how Apple explains it:
    The iPod touch ... provides your approximate location using information based on your proximity to known Wi-Fi networks. ... Known Wi-Fi networks are predominantly in urban areas.​
    See Skyhook Wireless for more technical details.
     

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