They've been able to do this since at least 1990. I read a book by marc Bowden called "Killing Pablo", and Bowden reported that one of the ways the military tracked Escobar was by turning on his cell phone mic. Also for your consideration http://news.cnet.com/2100-1029_3-6140191.html
Regards, Jesse Z On Thu, Dec 31, 2009 at 11:26 AM, Mike Kershaw <[email protected]> wrote: > On Thu, Dec 31, 2009 at 10:53:03AM -0400, Mark Wallace wrote: > > It is my information that your cell phone company knows where you > > are now, even if your cell phone is turned off. The only way to > > really disappear into the woods is to take the battery out or leave > > their service area (easy to do if you have a Sprint connection, like > > Virgin Mobile does) > > Incorrect, otherwise the phone wouldn't be allowed on airplanes while > turned off. > > Also easily provable with a spectrum analyzer or a EMF meter. > > It's not like a rfid tag where you can remotely power it from the tower, > and there's no radio activity in airplane mode or when powered off. > > -m > > -- > Mike Kershaw/Dragorn <[email protected]> > GPG Fingerprint: 3546 89DF 3C9D ED80 3381 A661 D7B2 8822 738B BDB1 > > "Give a man a fire, and he's warm for a day. Set a man on fire, and he's > warm for the rest of his life." > -- Terry Pratchett > > _______________________________________________ > Mid-Hudson Valley Linux Users Group http://mhvlug.org > http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug > > Upcoming Meetings (6pm - 8pm) MHVLS Auditorium > Dec 2 - MythTV > Jan 6 - Git >
_______________________________________________ Mid-Hudson Valley Linux Users Group http://mhvlug.org http://mhvlug.org/cgi-bin/mailman/listinfo/mhvlug Upcoming Meetings (6pm - 8pm) MHVLS Auditorium Dec 2 - MythTV Jan 6 - Git
