[TrunkCom] Control Frequency Only Mode

[Jeff Kenyon]

Right, though a lot of pages like radioreference.com will list any system
regardless of type/useage.  Some information for some federal and military
systems is restricted, but around my area a lone, and other parts of the
state there must be a dozen or more LTR systems that are used by
businesses or SMR users, and these are mostly UHF systems in my area.  We
have two multi-net systems in Michigan that are both supposed  to be
updated to P-25, but last time I was up near the area that they are in
they were still LTR.
	Also, some LTR systems only use maybe one or two frequencies and
that is it.  In once case I knew with my old school bus company they used
a two-cite LTR system with one frequency for each cite, and the reason for
two cites was because they were contracted to cover a large portion of
Detroit.  They are on conventional 900 MHz freqs now, as their LTR freqs
are now owned by Nextel.





On Wed, 26 Oct 2005, JERRY NONE wrote:

> Well know the LTR part I can asnswer I think.
> This is because most scannists like to listen to
> Public Safety and/or Public Service.
> Most LTR systems are used for businesses with the few
> expections out ther that are use for Public Safety
>
> Didn't Opto make something to help with that?
>
> Also on the FCC Adanced License search when can plug
> in a frequendy search and it will tell you if it is
> Trunked or NOT.  It will NOT tell you if it is MOTO,
> EDACS, or LTR though.
> --- Jeff Kenyon <at649 at tcnet.org> wrote:
>
> > Hi Tom and the group.  I am surprised at thisas I
> > thought that the lowest
> > freq was reserved for the CW ID, which is something
> > else that our system
> > has never done.  I can also tell you that when our
> > system was brought on
> > line for testing and training in 2001, because of a
> > lot of security
> > reasons and due to internal term oil with an
> > individual that I won't talk
> > much about here on this list, those beginning
> > activities were done
> > exclusively by Motorola and the dealer here in the
> > Detroit area.
> > 	I've also noticed that with LTR system information
> > that is out
> > there it is harder to find exact LCN information.
> >
> >
> >
> >
> >
> > On Wed, 26 Oct 2005, Tom Swisher wrote:
> >
> > > Jeff Kenyon wrote:
> > > > Hi Tom and the group, while we are on the
> > subject of control channels, my
> > > > local system in Grosse Pointe here is the only
> > one I konw of that the
> > > > control channel goes from lowest to highest in
> > frequency range.  From
> > > > 866.5375 to 867.625, these are the first four
> > control channels, and they
> > > > rotate daily, and all the other systems I have
> > tracked have had the last
> > > > several freqs as control channels.  Why would
> > this be that one with the
> > > > lowest freq would be the control channel?
> > >
> > > That's what was chosen when the system was set up.
> > Any licensed trunking
> > > frequency could have been used, what you have is
> > simply what they chose.
> > >
> > > Tom WA8PYR
> > > --
> > >
> >
> -----------------------------------------------------
> > > Tom Swisher, WA8PYR
> > wa8pyr-scan at sbcglobal.net
> > >   "Restriction of free thought and free speech is
> > the
> > >     most dangerous of all subversions. It is the
> > one
> > >    un-American act that could most easily defeat
> > us."
> > >           Justice William O. Douglas, 1953
> > >         WA8PYR Radio - http://www.wa8pyr.net
> > >
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