XPost: comp.mobile.android, alt.internet.wireless   
   From: robin_listas@invalid.es   
      
   On 2016-09-25 21:13, Andy Burns wrote:   
   > Jeff Liebermann wrote:   
   >   
   >> My guess(tm) is:   
   >>   wifi only = Wild guess based on various inaccurate databases,   
   >>               geodata, IP location, etc.   
   >>   coarse = GPS only.   
   >>   fine = AGPS (assisted GPS) using location data from cell site.   
   >   
   > I don't think AGPS is any better resolution than GPS, merely that it can   
   > get a fix quicker if the almanac is out of date by fetching it as data   
   > rather than waiting for it as satellite broadcast, or you've travelled a   
   > considerable distance with GPS disabled.   
      
   That is correct.   
      
   Knowing the approximate location and time, you can find out what exact   
   satellites should be in view (from tables), and tune the receivers for   
   those, instead of trying all.   
      
   --   
   Cheers, Carlos.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)