Jeff,
I haven't heard of mpt27. Is this another name for tetra. I know that that
system is used in europe.
On another matter are you active on echolink? If so it would be interesting
to hook up in real time voice.
Dave
----- Original Message -----
From: "Jeff Kenyon" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, October 23, 2004 11:38 PM
Subject: Re: 220 MHz use and modes used and possible encryption?
> Well, I think that MPT-1327 systems are actually a standard used outside
> the U.S. I know that there are many systems like this in Europe, and in
> some places MPT-1327 shows up on UHF, and I don't know if the standard is
> SSB or FM in the UHF part, but I do know that there is a kit out there
> that will let you trunktrack this kind of system even and it is based out
> of New Zeland. It sounds like a PC interface of some kind, and MPT-1327
> at least here in the states is rather odd in comparison to the
> traditional Moto or EDACS.
>
>
>
>
>
> On Sat, 23 Oct 2004, Dave Marthouse wrote:
>
> > Jeff,
> >
> > I would assume that standard land mobile type users are on the band. As
I
> > understand it each channel is only 5khz wide so standard fm voice
signals
> > won't fit. When the band was reallocated for commercial use back in
1991
> > the intent was to use it for acssb. Only a few manufacturers make acssb
> > equipment.
> >
> >
> > Dave Marthouse N2AAM
> > [log in to unmask]
> >
> >
> >
> > ----- Original Message -----
> > From: "Jeff Kenyon" <[log in to unmask]>
> > To: <[log in to unmask]>
> > Sent: Saturday, October 23, 2004 11:28 PM
> > Subject: Re: 220 MHz use and modes used and possible encryption?
> >
> >
> > > I am in the Detroit area, and I don't normally search through these
freqs,
> > > but for some reason I did with my Uniden BC250D. It doesn't have SSB,
but
> > > the next time I search through there again it will be wit the THF6A on
> > > SSB. Is there any conventional use of 220-222 MHz, and what kinds of
> > > users does anyone know that would be there?
> > >
> > >
> > >
> > >
> > >
> > > On Sat, 23 Oct 2004, Dave Marthouse wrote:
> > >
> > > > Jeff,
> > > >
> > > > Where are you located? What scanner did you use to hear the
signals?
> > Were
> > > > you able to demodulate them? The TH-F6A would be a good choice for
ssb
> > on
> > > > that range.
> > > >
> > > > Dave Marthouse N2AAM
> > > > [log in to unmask]
> > > >
> > > >
> > > > ----- Original Message -----
> > > > From: "Jeff Kenyon" <[log in to unmask]>
> > > > To: <[log in to unmask]>
> > > > Sent: Saturday, October 23, 2004 11:02 PM
> > > > Subject: Re: 220 MHz use and modes used and possible encryption?
> > > >
> > >
> >
>
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