[TrunkCom] Control Frequency Only Mode

Thu Oct 27 11:35:38 EDT 2005

We have one UHF LTR that is Hospital related.
The problem is that one of the frequencies is used by
a business.  Makes for interesting listening when they
both key up on that frequency since my radi oscanner
is in range of both of them.

--- Jeff Kenyon <at649 at tcnet.org> wrote:

> Right, and that is the case around the Detroit area.
>  The one 800 MHz
> frequency that I thought originally was a trunked
> system for AMR is hardly
> used, and I have heard that they may be pulling out
> of this area
> altohgether, but for now they are just shuttling
> patients around.  We have
> one system here that is labeled as unknown on
> radioreference.com, and is a
> VHF system, but the frequency listed I know is just
> a paging frequency, at
> least on my side of town, and I've never heard any
> LTR or other type os
> data there, and the LTR system I mentioned earlier
> last night is gone, and
> was the only one I know of on 800 MHz, though I
> think we may have a couple
> of LTR systems on 900 MHz, but a vast majority of
> LTR systems here are
> UHF, in the 420-424 MHz range or around 451-453 &
> 461-464 which all a long
> has been allocated for business, and in my opinion i
> don't think the FCC
> has done as well as they could with allocating these
> bands, in terms of
> distances to ajacent users.  We had an LTR system
> that was using our
> hospital's security frequency of 461.375.  Our
> medical center uses htis
> freq conventionally, but without a radio with a PL
> you used to hear  te
> data burst fromthe LTR system.
> 
> 
> 
> 
> 
> On Thu, 27 Oct 2005, JERRY NONE wrote:
> 
> > We have one VHF LTR TRS in the Cleveland Metro
> Area,
> > tons of UHF ones.  Also one 900 LTR TRS that I can
> > think of.  One UHF LTR uses one frequency on one
> site
> > and two on the other.  I mostly hear the Ambulanc
> Co
> > on it but rarely do I hear anything else.
> > Plus it seems that alot of private ambulance
> companies
> > use LTR.
> >
> > --- Jeff Kenyon <at649 at tcnet.org> wrote:
> >
> > > 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
> 
=== message truncated ===

========================================================================
Southwestern Cuyahoga County Ohio, Parma Ohio & Strongsville Ohio Radio Scanner Group:
http://groups.yahoo.com/group/Southwest_Parma_Strongsville/
------------------------------------------------------------------------
County Of Medina Ohio County Scanner Group:  
http://groups.yahoo.com/group/medinascanner/
========================================================================

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