[Trunkcom] 400mhz trunking system help needed

[Jeremy]

United Airlines has a UHF Type 2 trunked system at the Oakland Airport near
San Francisco.

----- Original Message -----
From: "Brian J Cathcart" <scannerdude@juno.com>
To: <trunkcom@mailman.qth.net>
Sent: Thursday, January 03, 2002 5:24 PM
Subject: Re: [Trunkcom] 400mhz trunking system help needed


> On Thu, 03 Jan 2002 22:17:03 +0000 b52hbuff@att.net writes:
> > Thanks Brian for the very detailed (and clear) information.
> > The next question is how the designers picked the range
> > of channel numbers.
>
> Licensing and personal preference.  In the commercial bands, they will
> start with the frequencies they are licensed for.  Once that part is
> known they can then taylor the system accordingly, and pick whatever
> layout they want.  In the federal/military bands, I'm not sure if they
> request specific frequencies (if I remember correctly from the NTIA), or
> are assigned them, but whatever method they use to get the frequencies,
> they then do the same as commercial systems in tayloring the layout
> accordingly.
>
> I have not found any UHF or VHF commercial Motorola systems in the U.S.,
> only in Canada.  But federal/military ones are found throughout the
> country.
>
>
>
> > ...oh, and do you have Trunker information for Travis?
>
> Sorry I don't.  : (
>
>
> --
>
> The Scanner Dude
> Brian J. Cathcart - KE4PMJ
> South Florida Trunking Guide - 5th Edition (On CD-ROM too!)
> Palm Beach County Frequency Directory - 4th Edition (On CD-ROM too!)
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