[TrunkCom] Control Frequency Only Mode

[JERRY NONE]

So then why don't we need the L.C.N.s or Channel
Numbers for Motorola but we need them for EDACS and
LTR?

--- bearcat <rwnewbould at comcast.net> wrote:

> Each 800/900 mhz freq has been aasigned a channel
> no.  The control
> channel data from the system tells the units which
> channel no. (hence
> freq) to go to.  The scanner gets the information
> from the system
> control channel so they can add as many new sites as
> they need and the
> data will then be on the system control channel so
> the scanner handles
> if just fine.  This is why rebanding is such and
> issue the channel no.s
> being sent will make no sense to the scanner.  The
> advantage to using CC
> only programming is that if something would change
> on the system the
> scanner user will never miss a beat.  If you have
> all of the freqs
> programmed in a a new site is added you will not
> hear it.
> 
> This is explained to the best of my limited tech
> knowledge
> 
> Rich
> 
> -----Original Message-----
> From: trunkcom-bounces at mailman.qth.net
> [mailto:trunkcom-bounces at mailman.qth.net] On Behalf
> Of JERRY NONE
> Sent: Monday, October 24, 2005 10:58 AM
> To: Discussion of Monitoring Trunk Radio Systems
> Subject: Re: [TrunkCom] Control Frequency Only Mode
> 
> 
> Does anybody have a copy of this band plan?
> 
> --- Jeff Kenyon <at649 at tcnet.org> wrote:
> 
> > Hi Jerry, a scanner that doesn't support control
> > only mode will have the
> > frequencies as reference to go to for a
> > transmission.  In control channel
> > only mode, the scanner follows the specific band
> > plan that Motorola has
> > set up for its various bands such as 800 and 900
> MHz
> > trunking so that is
> > how this is all possible, and with control only
> mode
> > you can hear all the
> > transmission, and any subsequent transmission.
> > 
> > 
> > 
> > 
> > 
> > On Mon, 24 Oct 2005, JERRY NONE wrote:
> > 
> > > Question.  Okay, say for instance you have a
> radio
> > > scanner that does NOT do Control Frequency Only
> > Mode.
> > > So you program in all the frequencies.  So when
> > the
> > > Controller tells Talk group 336 to go to a
> > frequency
> > > of 868.7125, how does a radio scanner in Control
> > > Frequency Only Mode know NOT to go that
> frequency.
> > > Instead the message is heard on one of the
> Control Frequencies.  
> > > Also by being in Control Only Mode,
> > does
> > > this prevent the radio scanner from hearing all
> > the
> > > transmissions?  I mean if the system you are
> > > monitoring has seven frequencies and then adds
> > three
> > > more frequencies to accomodate extra users but
> the
> > > Control Frequencies remain @ the same amount,
> > won't
> > > that cut off some transmissions?  What happens
> > then,
> > > do you just hear the priority transmisions?
> > >
> > >
> >
>
========================================================================
> > > County Of Medina Ohio County Scanner Group: 
> > > http://groups.yahoo.com/group/medinascanner/
> > >
> >
>
------------------------------------------------------------------------
> > > Southwest_Parma_Strongsville Scanner Group:
> > >
> >
>
http://groups.yahoo.com/group/Southwest_Parma_Strongsville/
> > >
> >
>
------------------------------------------------------------------------
> > > There will be a new radio scanner on the market
> > soon.  Here is the Yahoo Group for that Radio
> > Scanner:  http://groups.yahoo.com/group/BCD996T/
> > >
> >
>
========================================================================
> > >
> > >
> > >
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> 
> 
>
========================================================================
> 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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========================================================================
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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