Quote:
Originally Posted by twowheels
It’s called aGPS, the a stands for assisted, and phones most definitely use it. If you ever owned an old standalone car GPS you may remember it taking a long time to find its location, especially if you moved it a long distance between uses (e.g. when I traveled from the US to Spain and had to wait over 15 minutes before I could drive my rental car since I brought my own GPS)
The GPS algorithms need to collect a lot of data to do the math necessary to locate you. The closer their initial guess, the faster that can be done.
Try opening your map app on your phone in the middle of a flight, it won’t be able to locate you if you’ve flown very far.
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I remember on my Windows Mobile phones, which lacked the assisted feature, the GPS could take several minutes to lock on.