[time-nuts] ***SPAM*** How hard is it to detect a GPS Jammer?

Jim Lux jimlux at earthlink.net
Mon Oct 7 21:13:58 EDT 2013


On 10/7/13 4:51 PM, David I. Emery wrote:
> On Sun, Oct 06, 2013 at 09:59:50PM -0700, Hal Murray wrote:
>
>> Suppose I lived near a major highway.  Could I build a receiver that would
>> count jammers driving by?  Could I track them (at least somewhat) with a
>> directional antenna on a rotator?
>
> 	I would think this would be a natural task for one of the SDR
> setups like the USRP and gnuradio... and using the more sophisticated
> MIMO versions of the USRP and a suitable DF antenna array of GPS
> antennas you could use correlation interferometry to get a pretty good
> bearing on a passing jammer (no mechanical rotating antenna needed).
> Use a couple of these in a suitable relationship to the road and you
> probably could locate the vehicle in question and capture video of it.
>
> 	Might be some quite interesting statistics near an interstate
> with heavy truck traffic.
>
>
>

AN excellent project for a student.  You could make a nice senior 
project or Master's thesis with this.




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