As I understand it they are using apco25 just like any other amateur mode.
I don't have any data about range comparisons.  I would be interested in
seeing how close to the noise floor an apco25 signal can go before it
becomes unintelligible.

Dave Marthouse N2AAM
[log in to unmask]




----- Original Message -----
From: "Jeff Kenyon" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, December 02, 2005 1:09 PM
Subject: Re: Project-25 digital modulation on the ham bands?


> What are they doing range testing or what?  Any APCO-25 repeaters on the
> ham bands as of yet that anyon knows of?
>
>
>
>
>
> On Thu, 1 Dec 2005, Dave Marthouse wrote:
>
> > Jeff,
> >
> > There are groups of hams using apco25 in small pockets around the
country.
> > I know of a group in New Jersey as well as a few in Illinois, Texas and
> > Arizona.  I'm sure that there are a few more scattered around the
nation.
> >
> > Dave Marthouse N2AAM
> > [log in to unmask]
> >
> >
> >
> > ----- Original Message -----
> > From: "Jeff Kenyon" <[log in to unmask]>
> > To: <[log in to unmask]>
> > Sent: Thursday, December 01, 2005 7:14 PM
> > Subject: Project-25 digital modulation on the ham bands?
> >
> >
> > > Hi everyone, I was just wondering if anyone has heard of anyone using
> > > APCO-25 Digital Modulation on the ham bands?  On Tuesday I was looking
> > > around 2-meters and thought I heard a blip of data that sounded like
> > > Astro-25 digital data.  I couldn't tell for sure as the signal was
weak,
> > > but wasn't using a digital scanner that I have, but just the THF6.
I'm
> > > just wondering if anyone else has heard anything like this?
> > >
> > >
> >
>
>