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Posted by Michael Grigoni on June 29, 2008, 10:00 pm
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-------- Original Message --------
From: - Sat Jun 28 16:44:58 2008
T wrote:
<snip>
> X.25 packet networks. Yep, been there and even played aith ARCNET for
> a bit. I'm a little fuzzy on JNOS, I think I did somethign with it but
> that's WAY back in the early days.
>
>
> ***** Moderator's Note *****
>
> Trick question. AX.25 is the ham radio version of X.25, and jnos is a
> variant of the mf-nos TCP/IP communication node software written for
> dos by K2MF.
Which derives from Phil Karn's KA9Q of which there have been a number
of variants (wouldn't you say?)
Michael
***** Moderator's Note *****
For those of the readers who are puzzled, a word of explanation:
In the 1970's and early 80's, ham radio operators dove into the
digital pool with both feet. Long before the world-wide-wait, hams
were using packet radio and bulletin-board systems to trade emails via
(hold on to your hats) 1200 baud radio links using a protocol called
AX.25, which was originally designed to communicate with the AMSAT
OSCAR (Orbital Satellite Carrying Amateur Radio) radios in
space. Suffice to say, some hams (including me) were fascinated by the
underlying technology of the Internet, and wantedt to use TCP/IP over
ham radio. Phil Karn wrote the software which allowed us to
superimpose IP packets onto AX.25, and that meant that he created an
entire network, protocol, and application package that included ftp,
email, nntp, and supervisory software. For practical purposes, it was
an operating system that used DOS as a boot loader and disk-access
routine. Phil is one of the unrewarded pioneers who made it possible
for ordinary people to understand the workings of the Internet, and
many of us went on to careers in data networking.
Phil Karn's pioneering work deserves first place in the pantheon of
TCP/IP software for hams. Phil has been hanging out at Qualcomm,
making spead-spectrum a household word, but he was first and best at
NOS.
However, I used to use JNOS, which AFAIK really was derived from MFNOS.
Bill Horne
Temporary Moderator
(Please put [Telecom] at the end of your subject line,
or I may never see your post! Thanks!)
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