Comcast Fiber to the Node

[David Landry]

A small correction.  All phones do not have a GPS chips, but all
phones can be located in relation to a cell tower (see the Technology
heading of the linked wikipedia page; "radiolocation").  I have a
google maps app for my nokia that depends on radiolocation to find my
location since my phone doesn't have a built in GPS.  I've seen it be
as accurate as a couple hundred meters (in town) and as inaccurate as
5000m (out in the middle of nowhere).

David Landry

On Mon, Mar 8, 2010 at 5:26 PM, Aaron Toponce <aaron.toponce at gmail.com> wrote:
> Michael Torrie wrote:
>> As for cell phones go, don't the phone companies send position info to
>> the 911 centers?
>
> As per 2005, all cell phones manufactured after Dec 31, 2005 have GPS
> chips as a federal regulation [1]. Calling 911 on your mobile, will give
> the responder a pinpoint position to your location.
>
> I've personally experienced this, where I saw a car flip off the
> highway, and I pulled over, calling 911 immediately. The 911 service was
> able to get my exact location, and an ambulance and police were there in
> about 5 minutes.
>
> [1]: http://en.wikipedia.org/wiki/Enhanced_911#Wireless_Enhanced_911
>
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