[FedCom] Direction Finding Techniques for Fedcom Freqs?

[Chris Parris]

I would just find the control channel. That's one nice thing about tracking
down a trunked system - it's always telling you it's on the air! Not like
having to wait for someone to talk to catch a conventional repeater.

- Chris

 --
Chris Parris
Fed Files Columnist
Monitoring Times Magazine
chrisparris at monitoringtimes.com
Fed Files Blog - http://mt-fedfiles.blogspot.com/

----- Original Message ----- 
From: "Jeff Kenyon" <at649 at tcnet.org>
To: "Discussion of Federal Government Communications"
<fedcom at mailman.qth.net>
Sent: Thursday, May 03, 2007 5:28 PM
Subject: Re: [FedCom] Direction Finding Techniques for Fedcom Freqs?


> How would this work on a trunked system though?
>
>
>
>
>
> On Thu, 3 May 2007, Ken wrote:
>
> > Interesting challenge.  I'd assume that "signal stalker"/"close call
> > capture" technology would work on digital encrypted signals.  I know on
> > typical scanner land repeaters on a high hill, I get a hit with my pro
83
> > just about 1 mile from the transmitter site with the unit in the cup
holder
> > in the "stealth monitoring" vehicle.
> >
> > Just wonder how small of a directional antenna one could one use with a
> > portable that would be effective but with a very small footprint.
> >
> > Thanks to Tom (CT) from a message in the distant past, perhaps this
small
> > directional antenna would be beneficial to "The Hunt"
> >
http://www.ramseyelectronics.com/cgi-bin/commerce.exe?preadd=action&key=LPY41
> > works for 400 to 1300 mhz BUT I would guess that even in the 162-174 mhz
it
> > would work.....
> >
> > Ken
> >
> >
> > ----- Original Message -----
> > From: <JER1538A at aol.com>
> > To: <fedcom at mailman.qth.net>
> > Sent: Thursday, May 03, 2007 3:45 PM
> > Subject: Re: [FedCom] air force base communications and encryption
> >
> >
> > > MAYBE SOME DIRECTION FINDING IS IN ORDER     A FOX HUNT.....
> > ..snip..snip...
> >
> >
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> > FedCom at mailman.qth.net
> > http://mailman.qth.net/mailman/listinfo/fedcom
> >
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