[Trunkcom] 400mhz trunking system help needed

Wed, 2 Jan 2002 10:29:37 -0500

Try 406.0 MHz to start. If you send me what system your trying to monitor I
might have more specfiics in my files.

Larry Van Horn, N5FPW
Monitoring Times Assistant Editor
WUN Government/Military Columnist
The MT Fed File, Milcom, and Service Search Columnist
Complete crisis coverage available at http://www.grove-ent.com
Grove Enterprises, the publisher of Monitoring Times Magazine
Telephone: V-828-837-9200/F-828-837-2216/800-438-8155
DXCC (Mixed mode/10 Mtr), WAC, WAS

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of
> [email protected]
> Sent: Monday, December 31, 2001 11:53 PM
> To: Trunkcom mail list
> Subject: [Trunkcom] 400mhz trunking system help needed
>
>
> > Hello all:
> >
> > I am trying to set up my 780 for a Fed gov't 400 mhz trunk system and
> > don't know how to figure out all the parameters such as base freq,
> > spacing, channel offset.
> > I am a seasoned trunk tracker but this is my first attempt at a 400 mhz
> > system.
> >
> > I have ran Trunker for a while on the control channel (it is an astro
> > system). As you know trunker loads the freqs in the hex value for the
> > channel #. So far I've  got values from 109(06d)  to 749(2ed).
> > I have been able to figure out a spacing of 12.5kc but thats it.
> >
> > I understand that the offset channel range is from 380-759. So whats up
> > with the 109 channel # and some others I have below 380?
> >
> > Also whats the purpose of 3 different base configs for the system?
> >
> > Anyway if someone could help me out in general for programming 400mhz
> > systems I'd appreciate it or point me to a url with the info on it.
> >
> > Thanks, Sly
>
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