"JWBH" <blue.star777@REMOOOOVEvirgin.net> wrote in message
news:1FAEh.33647$3a3.26391@newsfe6-win.ntli.net...
> On the television the other day was something about how thieves are using
> something electronic to find out if someone has a satelite navigation
system
> hidden in their car. I didn't get any of the details of it.
>
> I usually keep a cheap mobile phone in the glove compartment of the car,
as
> a spare.
> Could similar means (what ever they were) be used to pick up that my phone
> in inside? If
> so I wouldn't leave it in the car.
>

Are you sure they were looking for satellite navigation systems? Weren't
they looking for an anti-theft device to be sure that if they steal the car,
their every move will not be registered by the owner and eventually the
police? The modems in these devices send periodic signals to the cell phone
network and it must be possible to detect this.

--
Andreas van Hooijdonk
http://www.gps-practice-and-fun.com