You'd better have a clear view of the sky at all times.

-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of dr. Imre Bartfai
Sent: Friday, September 14, 2001 5:49 AM
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [OT]:cell phone locating


Hello,

I have an maybe interesting idea at this topic:

a national authority could order all cell phones should be attached with a
GPS receivers and on a request of the central tower they sould give their
positions immediately. The whole thing could be transparent to the user
such way it can be even hidden. Who knows whether it has been done
already? ;-)
I am not paranoid. But Andy Grove has written the book with title: Only
Paranoids survive.

Regards,
Imre

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On Thu, 13 Sep 2001, Chris Carr wrote:

> > Some months ago there was a thread on jamming cell phones.  Now I am
> wondering how to get the spatial coordinates of a given cell phone.  Is it
> technically feasible to identify a single cell phone from a satellite or
> other high point?
> >
> The short answer is yes the maths are fairly well established, multiple
> satellites are better, for either you have to add a great number of
> qualifiers (which equates to unlimited amounts of money)
>
> > Maybe you can guess what I'm wondering.
> >
> No, I don't speculate on non-engineering matters if sufficient negotiable
> currency is put in my
> bank account. 8-)
>
> Regards
> Chris Carr
>
>
> P.S. If you haven't twigged by now, I have a sick sense of humour.
However,
> my first comment was genuine.
>
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