I think some cellphones have GPS abilities.
I know in India, a few of the nokia units would tell you location and
proximity to cellphone tower info.

Sudhir

~info from howstuffworks.com ~
http://electronics.howstuffworks.com/gps-phone.htm

On 12/7/06, TC <trclark@shaw.ca> wrote:
> I have been following that story of the SF family that got stranded in the
> Oregon coast mountains
> my son asked what we would do if our 2 wd westy got stuck/broke down in some
> remote winter area
>
> besides that fact we prolly have 2 weeks of food , propane, dual bats etc &
> some Garmin 2 way radios
> we would prolly just hole up & camp out :)
>
> The interesting aspect was that the attempt to make a cell phone call and
> the cdr records allowed
> the searchers to grid search a cell phone tower coverage grid this allowed
> them to be located
> if everyone has stayed put the story would have a happy ending ...
>
> I was curious the Garmin rino 530 i always have in the van is GPS enabled &
> allows other Garmin
> 2 ways to track to each other bu the coverage is only 2 miles in bad terrain
> Yet I can usually get a GPS fix as long as there is not much tree cover just
> about any remote locations..
>
> Are there any inexpensive devices that would send a gps fix to international
> emergency satalite
> the allow searches to home in on sone lost / stranded in the westy
> wilderness ?
>