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1994-11-13
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Date: Thu, 29 Sep 94 04:30:14 PDT
From: Ham-Digital Mailing List and Newsgroup <ham-digital@ucsd.edu>
Errors-To: Ham-Digital-Errors@UCSD.Edu
Reply-To: Ham-Digital@UCSD.Edu
Precedence: Bulk
Subject: Ham-Digital Digest V94 #323
To: Ham-Digital
Ham-Digital Digest Thu, 29 Sep 94 Volume 94 : Issue 323
Today's Topics:
BAYCOM & MUD
EME digital link (2 msgs)
operating system history..
pactor question
TNC (KPC-3 versus MFJ-1274C)
UNIX to TNC setup
WANTED: PROCOMM shareware src site
X1JR2
Send Replies or notes for publication to: <Ham-Digital@UCSD.Edu>
Send subscription requests to: <Ham-Digital-REQUEST@UCSD.Edu>
Problems you can't solve otherwise to brian@ucsd.edu.
Archives of past issues of the Ham-Digital Digest are available
(by FTP only) from UCSD.Edu in directory "mailarchives/ham-digital".
We trust that readers are intelligent enough to realize that all text
herein consists of personal comments and does not represent the official
policies or positions of any party. Your mileage may vary. So there.
----------------------------------------------------------------------
Date: 27 Sep 1994 14:40:44 GMT
From: ihnp4.ucsd.edu!dog.ee.lbl.gov!agate!howland.reston.ans.net!math.ohio-state.edu!hobbes.physics.uiowa.edu!news.uiowa.edu!icaen!drenze@network.ucsd.edu
Subject: BAYCOM & MUD
To: ham-digital@ucsd.edu
mmzaanen@cs.vu.nl (Zaanen van MM) writes:
>Hello,
>I want to start a MUD on packet radio. Now I'm looking for MUD source code,
>but all the code I can find are for TCP/IP. Is there a easy way to get
>a MUD at home. Now I'm using a BAYCOM modem, but TNC2 is ok too.
>Please mail.
>Menno
>mmzaanen@cs.vu.nl
Hate to tell you, but the *only* mud code you're going to find is for
TCP/IP. Though there is one that works over Appletalk on the Mac, I
guess (hadn't thought about that). You're either going to switch over
to TCP/IP (easy) or totally rewrite the MUD driver (not so easy).
--
Doug Renze, N0YVW * drenze@isca.uiowa.edu * N0YVW @ W0IUQ.ia.usa.na
DRenze@aol.com
"Boom...sooner or later...BOOM!"
------------------------------
Date: Tue, 27 Sep 1994 13:53:57 GMT
From: ihnp4.ucsd.edu!dog.ee.lbl.gov!agate!howland.reston.ans.net!torn!nott!cunews!freenet.carleton.ca!FreeNet.Carleton.CA!ae517@network.ucsd.edu
Subject: EME digital link
To: ham-digital@ucsd.edu
In a previous article, elendir@enst.fr (Elendir) says:
> Well, that's just a weird idea.
> I was wondering about the possibility of setting up a 10 GHz/2 Mbauds EME
>link between the US and Europe.
> That'd be fantastic, wouldn't it ? Each time the moon would be up, we could
>transfer enormous amount of data...
>
> Let's assume a 10 W output and a 33 dB dish. Attenuation is something like
>280 dB ; so we get -237 dB. We have again the 33 dB gain, so it goes -204 dB
>or 446 pV sensitivity.
>
> That's tough, but why not ?
------------------------------
Date: Tue, 27 Sep 1994 15:36:25 GMT
From: ihnp4.ucsd.edu!pacbell.com!sgiblab!spool.mu.edu!howland.reston.ans.net!europa.eng.gtefsd.com!library.ucla.edu!news.mic.ucla.edu!unixg.ubc.ca!quartz.ucs.ualberta.ca!gov.nt.ca!ve8ev@@.
Subject: EME digital link
To: ham-digital@ucsd.edu
In article <368pp8$mn0@cismsun.univ-lyon1.fr> elendir@enst.fr (Elendir) writes:
> Well, that's just a weird idea.
> I was wondering about the possibility of setting up a 10 GHz/2 Mbauds EME
>link between the US and Europe.
> That'd be fantastic, wouldn't it ? Each time the moon would be up, we could
>transfer enormous amount of data...
>
> Let's assume a 10 W output and a 33 dB dish. Attenuation is something like
>280 dB ; so we get -237 dB. We have again the 33 dB gain, so it goes -204 dB
>or 446 pV sensitivity.
>
>Vincent
>F1RCS - Worldwide Friendship through Amateur Radio
>ENST, Ecole Nationale Superieure des Telecommunications, Paris
There's nothing weird about that at all. In the early 60's the US military
ran a 4 channel multiplexed RTTY link between Washington and Honolulu via
EME for several years although for a 2 Mbaud data rate I think you'd need
a bit better link margin than you mentioned. I'm surprised that it hasn't
been done already. With the current decline in the solar cycle one system
like this would probably be able to handle 80% or more of the transatlantic
packet traffic.
Any volunteers?
=============================================================
John Boudreau VE8EV INTERNET: ve8ev@amsat.org
Inuvik, NWT, CANADA PACKET: VE8EV@KL7GNG.#NAK.AK.USA.NA
=============================================================
------------------------------
Date: 28 Sep 94 20:27:20 GMT
From: news-mail-gateway@ucsd.edu
Subject: operating system history..
To: ham-digital@ucsd.edu
>multitasking like RSX-11m, another CPM inspired OS.)
>73 de KD3BJ (Chris Nadovich, chris@kd3bj.ampr.org)
I don't recall RSX being particularly derived or inspired from CPM...and i
recall there was some way to handle directories and such on RSTS/E (around
1975 or so...it's been a while...).
the whole computing world didn't start with unix or CP/M.
and heck, PIP a problem, nayhh. in a way it was pretty neat...
bill wb9ivr
------------------------------
Date: 27 Sep 1994 23:11:17 -0500
From: cs.utexas.edu!not-for-mail@uunet.uu.net
Subject: pactor question
To: ham-digital@ucsd.edu
Could anyone point to a good reference on pactor?
TIA,
KG0T
------------------------------
Date: 28 Sep 1994 16:36:53 GMT
From: intac!usenet@uunet.uu.net
Subject: TNC (KPC-3 versus MFJ-1274C)
To: ham-digital@ucsd.edu
In article <1994Sep28.082904.2026@dxcern.cern.ch>, frode@dxcern.cern.ch (Frode Weierud) says:
>
>I am considering buying a TNC and would very much like
>your opinions, experiences, etc.
>
>I have read the QST review of differnet TNCs in Dec. 1993
>and I have narrowed my choice down to the KPC-3 or
>the MFJ-1274C.
I can't speak for the MFH-12745C, but I have been using an MFJ-1278-T
(multi-mode TNC)for about 2 years, and it's worked flawlessly.
It came with a terrific 1.5" thick instruction manual detailing every aspect of
operation, including installation instructions for several popular radios, as
well as a complete guide to user alignment of the filters and modem.
I've dragged my MFJ TNC into the woods camping dozens of times now,
operating it and my VHF rig on batteries without a single failure or
complaint. I love it.
- 73 -
Thom / N2CBV
------------------------------
Date: Tue, 27 Sep 1994 08:33:36
From: ihnp4.ucsd.edu!library.ucla.edu!europa.eng.gtefsd.com!emory!nntp.msstate.edu!martin.cdpa.state.ms.us!martin@network.ucsd.edu
Subject: UNIX to TNC setup
To: ham-digital@ucsd.edu
How do I define the TNC interface to SCO UNIX or Linux? A local user plans to
run native unix or linux via TNC and needs to know how to set it up without
running NOS under unix.
------
_______
/ |
John W. Martin / | INTERNET:
Network Workgroup Manager / | martin@cdpa.state.ms.us
Mississippi Central Data | C | oamartin@vm.cc.olemiss.edu
Processing Authority \ D |
301 North Lamar Street | P |
301 Building, Suite 508 / A |
Jackson, MS 39201-1495 / | PHONE: (601) 359-2641
|______ | FAX: (601) 354-6016
/ |
\____|
------------------------------
Date: Tue, 27 Sep 1994 15:13:53 GMT
From: ihnp4.ucsd.edu!dog.ee.lbl.gov!agate!howland.reston.ans.net!swiss.ans.net!upsnews.ups.com!casey!nrd1pxm@network.ucsd.edu
Subject: WANTED: PROCOMM shareware src site
To: ham-digital@ucsd.edu
Just tried to download a file using the windows terminal program via Xmodem,
and nothing happened! Just timed out! Going to try kermit tonight. In the
meantime, can I get a pointer to a source of the shareware version of Procomm
please?
Thank you.
==============================================================================
Peter Martin UPS Danbury, CT (203) 731-6324 nrd1pxm@nrd.ups.com
Real Life Home: Kent, WA (206) 631-5478 Northwest Region SCCA
#24 ITA '83 Mazda RX7 == '91 RX-7 ragtop == '95 SSC Neon == WD9HAD == SCUBA
--
==============================================================================
Peter Martin UPS Danbury, CT (203) 731-6324 nrd1pxm@nrd.ups.com
Real Life Home: Kent, WA (206) 631-5478 Northwest Region SCCA
#24 ITA '83 Mazda RX7 == '91 RX-7 ragtop == '95 SSC Neon == WD9HAD == SCUBA
------------------------------
Date: Sat, 24 Sep 94 17:56:26 EDT
From: agate!howland.reston.ans.net!news.sprintlink.net!mv!lmr!rapp@ames.arpa
Subject: X1JR2
To: ham-digital@ucsd.edu
Hi folks,
Apparently there are problems with X1JR2 which result in "node busy"
messages and require a reset.
1. Do I understand correctly that there are no further revisions planned?
2. If that is the case, does anyone know if the source code is available
and, if so, where?
3. Is anyone else working on the problem?
Thanks, & 73,
Larry W1HJF
-----------------------------------------------------------------------------
L. M. Rappaport & Associates, Inc. rapp@lmr.mv.com voice +1 603 237 8400
Colebrook, NH 03576-0158 CIS 72427,2567 fax +1 603 237 8430
------------------------------
End of Ham-Digital Digest V94 #323
******************************