Hi.

Is this just for receiving purposes, or do you have the capability of 
transmitting digital voice as well?

73, de Lou K2LKK



At 08:03 AM 8/5/2006 -0400, you wrote:
>Good morning Jeff and everyone,
>AOR makes a digital voice unit which is intended for amateur hf use. I have
>read posts to the HFPack list from people who are using it both in base and
>portable setups.
>
>Evidently, the normal audio from the radio is passed through the unit so
>that you can hear regular analog signals and all of the atmospheric noise
>but when a digital voice signal is detected and the two voice units sync all
>of the background noise and static are muted and all you hear is speech
>until the transmission has ended.
>
>73
>
>
>Ron Miller
>N6MSA
>Clearwater Florida
>SKYPE: arjay1
>
>-----Original Message-----
>From: For blind ham radio operators [mailto:[log in to unmask]]
>On Behalf Of Jeff Kenyon
>Sent: Friday, August 04, 2006 10:18 AM
>To: [log in to unmask]
>Subject: Re: Digital Voice
>
>I don't know, but the most experimenting I have heard with digital voice has
>been the APCO-25 digital in use for public safety.  It is because public
>safety radios for VHF/UHF can tune the ham bands and use the digital voice
>mode.
>
>
>
>
>
>On Fri, 4 Aug 2006, Colin McDonald wrote:
>
> > what about the D star radios from Icom? don't they do some sort of
> > digital voice?
> > I know they do digital data, but i thought they also did some sort of
> > digital voice incription as well.
> >
> > only problem with doing digital voice on the amateur bands is that it
> > has to be a completely open source incription type that anyone could
> > easily decode since if it weren't,it could be considered secret
> > encoded messages, which, as far as i know, are illegal in the US as
> > well without permission from the FCC?
> >
> > The canadian regulations, paraphrasing of course, make it illegal to
> > use any kind of secret code to pass messages without express
> > permission from the government.  Digital voice incription could
> > potentially fall under that category.
> > If someone was using say provoice or even apco 25 on a local simplex
> > frequency, it would be nearly impossible for me, or anyone else to
> > know what they were saying since we wouldn't have the necessary codec
> > to decode their transmission.  The transmission would there for be in
> > a "secret" code and against regulations.
> > Now,if a person offered the software or instructions on how to build a
> > decoder on a website, or in a popular monthly magazine, the idea of
> > secretive incoding would be no longer secretive since many people
> > would have the means of decoding it.
> > just my view point anyway,i could be off the mark on this one, but i
> > have pondered it for some time since our 52 group has tossed around
> > the idea of digitalizing our transmissions.
> > 73
> > Colin, V A6BKX
> > ----- Original Message -----
> > From: "Jeff Kenyon" <[log in to unmask]>
> > To: <[log in to unmask]>
> > Sent: Friday, August 04, 2006 2:40 AM
> > Subject: Re: Digital Voice
> >
> >
> > > Hi, there is an external card for APCO-25 modulation for the Uniden
> > > BC259D scanner, but nothing I know of for the ham bands.  There have
> > > been a few experiments though with APCO-25 useage on the ham bands
>though.
> > >
> > >
> > >
> > >
> > >
> > > On Thu, 3 Aug 2006, Frederick wrote:
> > >
> > > > Hi
> > > >     I have been wondering for sometime if there are any digital
> > > > voice converters that a person could plug in to there older analog
> > > > rigs. I
> > think
> > > > that transmitting and receiving in digital voice on the ham bands
> > > > would
> > be
> > > > the coolest thing.
> > > >                     God bless,
> > > >                     Mark WZ0K
> > > > God loves you!
> > > > My personal prayer book.
> > > > Add your prayer or pray for others at the following link.
> > > >
> > http://prayerbook.homewithgod.com/cgi-bin/prayerbook/multi.pl?13196111
> > 3534708:24:0
> > > >
> > > > http://lists.topica.com/lists/funhamradio.
> > > > http://groups.google.com/group/funhamradio-list
> > > >
> > > > http://funhamradio.bloki.com
> > > >
> > >
> >

Louis Kim Kline
A.R.S. K2LKK
Home e-mail:  [log in to unmask]
Work e-mail:  [log in to unmask]
Work Telephone:  (585) 697-5753