--- In [email protected], "Michael Askin" <[EMAIL PROTECTED]> wrote: > > On 11/23/08, Terry Streeter <[EMAIL PROTECTED]> wrote: > > The problem is without GPS in the mobile, the mobile doesn't know where > > it is. Each cell has a unique* identifier which allows the mobile to > > report on the surrounding cells. The mobile has no way of turning this > > information into a real location, as it can't possibly know the > > geographic configuration of the network. The network does (of course) > > know how the network is connected and so can turn this into a real > > location. The newer mobiles which have a GPS receiver fitted do know > > where they are, but that is independent of the mobile network system. > > > > Terry Streeter > > NB Arun - Stockton > > > > > > * Again, a slight simplification. The codes are reused, but > > sufficiently far apart that there is no possibility of confusion. > > and Pete said: > > Just as the system knows which mast is connected to the mobile, does > > not the mobile know which mast it is speaking via ? > > Well I don't know about none-unique cell mast IDs, but Google Maps > Mobile actually transmits the local cell ids back to Google, and > calculates its location from a database that they have compiled > themselves (I understand). > > It can work very well in high coverage areas, but it's a bit pony when > you are only within 1 cells reception. I'm not sure if it can use more > than a single operators cell or just the network your Sim is for. > As David wrote:
Apologies for the top post - my blackberry won't let me post in context. Non GPS blackberrys are capable of ectesplaying from the mobile cell to provide a location fix but unly within roughly a 1.8 km radius. David Morris email: [EMAIL PROTECTED] That is all I am asking for. If a non GPS Blackberry can do it - why can my Moto V3 not as well? Regards Pete
