Hasn't there been some experiments with digital voice for short-wave
broadcasters? I thought I heard that there were, but it wasn't working
out that well.
On Fri, 4 Aug 2006, Frederick wrote:
> Hi
> I am not sure about the Icom radios you mentioned having digital voice
> or not. It would seem to me that a standardized digital voice mode would be
> a great enhancement for the HF spectrum.
> 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?131961113534708:24:0
>
> http://lists.topica.com/lists/funhamradio.
> http://groups.google.com/group/funhamradio-list
>
> http://funhamradio.bloki.com
> ----- Original Message -----
> From: "Colin McDonald" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Friday, August 04, 2006 7:13 AM
> Subject: Re: Digital Voice
>
>
> > 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?131961113534708:24:0
> >> >
> >> > http://lists.topica.com/lists/funhamradio.
> >> > http://groups.google.com/group/funhamradio-list
> >> >
> >> > http://funhamradio.bloki.com
> >> >
> >>
> >
> >
>
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