Boston Linux & UNIX was originally founded in 1994 as part of The Boston Computer Society. We meet on the third Wednesday of each month at the Massachusetts Institute of Technology, in Building E51.

BLU Discuss list archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Discuss] GPS feature in cellphones?

Actually triangulation is used in GPS also. It is a very old tried and
true method.

On 06/05/2014 09:59 AM, Matt Shields wrote:
> Having worked for McCaw Cellular aka Cellular One aka AT&T Wireless
> Services, I remember them doing this in the 90's.  Even if your cell phone
> doesn't have GPS capabilities, the phone companies could track you using
> what's called triangulation.  It's not as accurate as GPS, but it's close
> enough.  I remember working next to our fraud department in Ft Lauderdale
> and they would help the FBI and other law enforcement agencies track down
> people doing illegal things.  It was a daily occurrence that some form of
> law enforcement was in our office getting info.
> Read more here:
> Matt
> On Thu, Jun 5, 2014 at 9:25 AM, Oliver Holmes <oliverholmes369 at>
> wrote:
>> Hi All!
>> Thank you for reading and answering my post in advance.
>> My question is old voice flip phones could only be traced to the
>> transmitting tower. But I understand now that GPS is built in and is active
>> whether you activate it or not. So there is the potential to track you
>> within three meters. Is this so?
>> Oliver
>> _______________________________________________
>> Discuss mailing list
>> Discuss at
> _______________________________________________
> Discuss mailing list
> Discuss at

Jerry Feldman <gaf at>
Boston Linux and Unix
PGP key id:3BC1EB90 
PGP Key fingerprint: 49E2 C52A FC5A A31F 8D66  C0AF 7CEA 30FC 3BC1 EB90

BLU is a member of BostonUserGroups
BLU is a member of BostonUserGroups
We also thank MIT for the use of their facilities.

Valid HTML 4.01! Valid CSS!

Boston Linux & Unix /