[Scan-DC] Re: 412.90?

[Doug K.]

For what it's worth, there is a private security service in Montgomery 
County that operates on _451.900_ - could 412.9 be a harmonic or input or 
something?  I forget the formulas for figuring that out...

DK

>From: john wilson <jwilson9 at erols.com>
>To: Mike Agner <ka3jjz at erols.com>
>CC: scan-dc at mailman.qth.net
>Subject: Re: [Scan-DC] Re: 412.90?
>Date: Fri, 19 Nov 2004 14:55:56 -0500
>
>   412.900 mhz. is one of the Ft. Lee, Va., TRS inputs.  But it is not 
>analog
>but P25.
>
>Mike Agner wrote:
>
> >    Today, Rapbep wrote:
> > ===================
> > Over last couple of days I've been hearing some sporadic activity on
> > 412.90. It sounds like some sort of guard force/security net. They use
> > numeric callsigns i.e. 57, 257 and chat is about patrols, checking
> > buildings, etc. The comms are strong & clear but very sporadic.
> >
> > I can only hear one side of the conversations, the side that appears to 
>be
> > the control/dispatch.
> > =================
> >    Ron, sometimes freqs in the 412 range are inputs to repeaters or
> > systems  lower in freq.  The obvious one in our neck of the woods would 
>be
> > Ft.Meade; have you tried just plugging in the freqs to their UHF trunk,
> > scanning conventionally, then holding on 412.9 on the other rx?  That 
>would
> > be the sure test.
> >    That's not the only possibility, of course; I think GSA uses that 
>freq
> > range, too...
> >    73s  Mike
> >
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