Hi all,
Talking of documentation and specs.
I am still pretty new to radio-amateurism (just started again after more
then 17 years) one of the first things I noticed when I started
exploring all these digital modes, is that it is pretty difficult to get
specifications and exact documentation of them all.
If I look at the culture of the internet and opensource (which is my
profesional background), I'm still surprised that there is not central
"repository" of all these digital modes.
In the internet-world, there is the IETF (internet Engineering Task
Force) and there are RFCs.
Almost all protocols are published as a RFC, for everybody to read;
usually at the same time when applications and tools using it appear;
and the IETF make sure there is a consistent wording and quality in
these documents.
This means that everbody who is interested in a protocol or some
technology can just download the specs and read them.
Either I have looked good enout, but AFAIK, in the ham-world; that does
not exist at all.
I've been searching all over the web to find information on how all
these digital modes really work and you really need to scrap information
together for all over the web (without any certainty what is now "the
correct way").
I do not understand why -say- the IARU does not does this. I'm not say
they should endorce any "standard" of any technology.
But, the way I see it, it should really help if they would provide a
platform so that everybody who comes up with a new technology or a
protocol can document it (in a way consistent to other "RFCs" and place
it in a central "repostitory" so that everybody can read it.
That would help a lot, clear up inconsistencies between programs and
help developers to write code.
Cheerio!
Kr. Bonne.
Op 28-08-10 11:17, Patrick Lindecker schreef:
Hello Andy,
I think it would be an interesting subject. However, if such mode was
created I think it might be rather be conceived in some public way, so
that the _detailed _specifications be public and written by
specialists of this specific matter (I don't belong to these specialists).
Then, it would be (relatively) easy to carry these detailed
specifications to multimode programs, which would be compatible on
this particular mode.
Now, I think the Cesco program (FDMDV) exists and it worked well (at
least with the first Codec), so...
73
Patrick
----- Original Message -----
*From:* Andy obrien <mailto:k3uka...@gmail.com>
*To:* digitalradio@yahoogroups.com
<mailto:digitalradio@yahoogroups.com>
*Sent:* Saturday, August 28, 2010 9:34 AM
*Subject:* Re: [digitalradio] Digital Voice update #2 -
programmers wanted - codec2 and the G3PLX modem
I wonder if Patrick would be interested ???
Andy K3UK
On Sat, Aug 28, 2010 at 3:26 AM, Tony <d...@optonline.net
<mailto:d...@optonline.net>> wrote:
All,
I received an email from Peter Martinez today regarding the
new codec
developed by Dave Rowe. I had asked him if it was possible to
use it in
one of the digital voice applications and he explained that
the modem,
which was originally designed by Peter for a different voice
codec,
would have to be modified for it to work with Dave's codec.
He said that he would not be able to take this on at the
moment because
of other obligations, but he did mention that he would pass
along the
know-how to anyone who would like to try writing a modem for
Dave's
codec based on Peter's own FDM design. This is how Cesco, HB9TLK
re-engineered Peter's modem to work with a slower 1400 bps
codec for the
digital voice program FDMDV and how Erik, VK4RS developed EasyPal
Unfortunately, we haven't been able to get in touch with Cesco
for some
time now so it may be necessary to have someone come up with a
new
digital voice application - something along the lines of
WinDRM / FDMDV.
If anyone is interested in taking on these projects, please
contact me
direct and I will put you in touch with Peter.
Thanks,
Tony -K2MO
