D-GPS = True satellite GPS = Androids LocationManager.GPS_PROVIDER A-GPS = Assisted GPS = Androids LocationManager.NETWORK
D-GPS will use a SiRF based chip via WAAS/EGNOS A-GPS uses the telco or Wifi conduit Suprised how few D-GPS devices are out there, so far only one, the geeksphone.[which is both actually] Everything else is A-GPS ----- Original Message ----- From: "Maps.Huge.Info (Maps API Guru)" <[email protected]> To: "Android Discuss" <[email protected]> Sent: Thursday, March 11, 2010 3:45 PM Subject: [android-discuss] Re: D-GPS Enabled Development Phones >I think you may be confusing some terms in your post. > > D-GPS is "Differential GPS" (http://en.wikipedia.org/wiki/ > Differential_GPS) which is an enhancement to the standard satellite > based GPS using ground stations. It has nothing to do with the network > location service that uses cellular towers and wifi locations to > determine a quick and rough fix in Android and other mobile OS's. > > The GPS service Android devices use requires access to the satellite > based system, usually meaning an outdoor location, Network location > services work anywhere a carrier based connection can be found. In > addition, I believe that wifi hot spots, at least those that are in > the database accessed by the Android OS, will provide a location as > well, even without a carrier based connection. > > -John Coryat > > -- > You received this message because you are subscribed to the Google Groups > "Android Discuss" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/android-discuss?hl=en. > -- You received this message because you are subscribed to the Google Groups "Android Discuss" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/android-discuss?hl=en.
