[TrunkCom] Trunk-tracking Help

Tue, 19 Mar 2002 08:58:22 -0500

If it is Moto or EDACS then there should be a dedicated or rotating =
frequency that has a buzzing noise on it.  This will be your control =
channel.  In some cases there is a control channel on one frequency only.  =
It just stays there.  Other systems have a rotating control channel that =
either switches between all of the frequencies or a select few.

Try this page:   http://www.trunkedradio.net/

This page has info for the U.S.A. and the Dominion Of Canada.
Lots and lots of frequencies on these pages.

You can also try:  http://www.aosc.org/directory.html=20

Lots and lots of frequencies on these pages.

A non amateur radio operator, member
of, Cleveland Ohio Skywarn.

>>> Scott Baldwin <[email protected]> 03/19/02 06:42AM >>>
Hello to the list.

I'm trying to set up my BC-245 and BC-895 to track the trunking system =
at=20
the Vacaville CMF Prison site.  Their frequencies are 857-860.2625.

I started off in E2 mode, and noticed the ID's changed between radio=20
users.  So I assume it to be a Type-1 system.  Setting it in E1 Mode, I=20
chose S-14 as my size.  Even though this is an unusual size, I chose it=20
because I had caught traffic with an ID of 37217 and the reply came back =
on=20
34135.

Using the method of lowest ID and highest ID, the difference is 3082,=20
meaning at least THAT many users used block 4.  Since S-13 has a max of=20
2048 users, and S-14 is the next with 4096 users, for this reason I chose =
S-14.

Now here's my problem.  I was monitoring the other day and a call came =
out=20
with an ID of 000-9 and a reply came back on 000-8.  It was the same=20
conversation.  My BC-245 was still set on E2, and I noted ID 38374 and=20
34267, respectively.  The problem as you can see is that the number of =
IDS=20
(difference between the two) is 4107.  This exceeds the max of 4096 as =
used=20
for a Type 1.

Does anyone know what kind of system this is, if it's not Type-1 or=20
Type-2?  I have tried Edacs and LTR, but I either don't know how to set=20
these systems up in my scanner, or they're not that either, as I've =
tried=20
programming them in, but they don't track at all.  It's as if they =
don't=20
see the control channel.

Thanks in advance.
Scott
N6UUH
---
Cambion Chadeauwaulker
[email protected]=20
ICQ# 1023236
Northern California, USA

http://cambion7.thesociety.net/=20
http://photos.yahoo.com/cambion7=20

"In space, no one can hear you cha cha cha!" - Confidence

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