[Nottingham] Location tracking "services"...

[James Gibbon]

On Wed, 30 Jun 2010 01:21:03 +0100
James of the Family Moore <jmthelostpacket at googlemail.com> wrote:

> I missed the start of this thread I think... but the fact of the matter 
> is, you don't need a GPS receiver to use a phone as a locator. They've 
> been doing it for years, without low-orbit satellites: cellular 
> triangulation and signal locking. The system is more accurate than GPS, 
> so much so in fact they've used it in criminal court to relate a 
> real-time record of where a particular handset has been, down to three 
> feet and the second, using logs from six months previous (data retention 
> is obviously very good as well).

That's remarkable if so. I was under the impression that the location
system using base stations was only accurate to a few tens of metres
at best. And of course a mobile application won't have access to six
months of logs.

James