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http://www.google.com/mobile/maps/
Using this on phones without gps, the locatiosn can be obtained as well.
I am currently using the html5 geocoder/gear for obtaining locations. However this only works for iphone and android. BUt how does google map get the information from phones without this capbility?
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Every Android device acts therefore as data collector. Since most access points are static in their position and only cover a small area - the coverage radius is approximately 100m - they are ideal anchors for a good location fix without GPS.
Yes, your phone can be tracked when it's in airplane mode. While it does turn off Wi-Fi and cellular services, airplane mode doesn't turn off GPS (a different technology that sends and receives signals from GPS satellites).
To improve Location services and estimate the location of a device, Google uses publicly broadcast Wi-Fi information from wireless access points and GPS, cell tower, and sensor data.
Most mobile phones are equipped with GPS, which uses signals from satellites to determine a device's location – however, with Google Location Services, additional information from nearby Wi-Fi, mobile networks, and device sensors can be collected to determine your device's location.
It can deduce the location of the phone from the list of towers that are in range of the phone. Each tower has a unique footprint and Google knows the location of them. It is considerably less accurate than GPS, but is still able to give your rough location.
Watch the video from Google explaining the technology. The explanation starts at 1:16.
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