[Noisebridge-discuss] [DRAMA FREE]:actual hacking

Jonathan Lassoff jof at thejof.com
Mon Mar 11 01:07:46 UTC 2013

This sounds like something that has nothing to do with GPS.

You might take a look at the APCO Project 25 protocols. It's a digital
radio mode for public safety communications.
As some of the metadata fields on the transmissions are unencrypted
and uniquely identify a station, it's been theorized that it'd be
possible to perform doppler and RF analyses in conjunction with
analyzing the packets to track stations.

Maybe try getting a GNUradio implementation going to start playing?


On Sun, Mar 10, 2013 at 4:57 PM, maestro <maestro415 at gmail.com> wrote:
> * anyone with gps hacking knowledge know if this is possible and if so
> want to do it?...
> * disclaimer: i saw it on a idiotbox program the other night...
> * does seem doable though...
> step 1. rig a gps unit/system that uses police frequencies for coordinates
> step 2. use coordinates to show where they are in a given area at any given time
> message ends
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