[aprssig] GPS Jamming On The Rise

[Ian]

Who's jamming who here?  The Garmin III+ and Garmin V have a nice little
birdie on 147.315MHz which happens to be my club's repeater output.

Ian N8IK


-----Original Message-----
From: aprssig-bounces at lists.tapr.org [mailto:aprssig-bounces at lists.tapr.org]
On Behalf Of Brian Webster
Sent: Saturday, June 28, 2008 11:36 AM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] GPS Jamming On The Rise

What about the idea of using the car radio tuned to the station that jammed
the Garmin GPS V? If you were listening on the GPS frequency for that signal
source everything would be legal. Just an idea...



Thank You,
Brian N2KGC

-----Original Message-----
From: aprssig-bounces at lists.tapr.org
[mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Greg D.
Sent: Saturday, June 28, 2008 3:28 AM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] GPS Jamming On The Rise




----------------------------------------
> From: ve7gdh at rac.ca
> To: aprssig at lists.tapr.org
> Date: Fri, 27 Jun 2008 23:09:08 -0700
> Subject: Re: [aprssig] GPS Jamming On The Rise
>
> Greg  KO6TH wrote...
>
>> It would seem to me that this is an untapped opportunity for the Ham
>> community to freshen up our T-hunting skills, and be ready for the day
>> when these things become more than just a nuisance. The trick is, how
>> would you practice this legally? We can't exactly deploy one of these
>> in the woods somewhere without violating the law ourselves...
>
> You could just locate existing sources of jamming sigals and notify the
> authorities without violating any laws. Setting up a jamming device
> yourself would be a different story. However, if one was deployed in the
> woods, it shouldn't affect anyone else if the effective jamming range
> was only 10 - 20 metres. If it had a much greater range, you might not
> be the only ones tracking it down. (Bring your earplugs!)
>
> 73 es cul - Keith VE7GDH
> --

Right, in an actual incident we would only need to receive.  But, how
would we know ahead of time that our equipment would actually
detect the interference, and how would we practice using the equipment
to actually locate something?

My reference to the woods regarded where many hidden transmitter hunts
are held.  Setting up a jammer that wasn't near anything worth jamming
would still be illegal, no?  Besides, it would have to ID every 10 minutes,
which would kind of give it away...

Greg  KO6TH

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