XPost: comp.mobile.android, sci.geo.satellite-nav   
   From: no@thanks.net   
      
   On 9/22/23 14:37, David Higton wrote:   
   > In message    
   >            Wally J  wrote:   
   >   
   >> Does anyone here have more technical information as to how Google Maps   
   >> obtains your location using cell tower data   
   >   
   > The timing of the RF burst returned by your phone gives your approximate   
   > range from the cell tower.  One tower just gives a ring centred on the   
   > tower; the intersections of two or more rings from other towers reduce   
   > the uncertainty.   
   >   
   > If your phone is on and able to make and receive calls, there's nothing   
   > you can do to prevent gathering this information.   
   >   
   > It can be used by emergency services to locate callers if GPS data are   
   > not available.   
   >   
   > David   
      
   So that's how emergency services get your position.. neat!   
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