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PA2AGA > HDDIG 24.03.00 02:34l 238 Lines 7399 Bytes #-9537 (0) @ EU
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Subject: HamDigitalDigest 2000/83A
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Ham-Digital Digest Thu, 23 Mar 2000 Volume 2000 : Issue 83
Today's Topics:
$99 Modern TNC (LCD 800x600)
Baycom and Linux (3 msgs)
Can you identify the mystery signal? (3 msgs)
Digital Amateur Radio License
May QEX digital voice article (6 msgs)
NOS (and derivatives) don't send FRMRs ? (3 msgs)
Open bands last night.
Opto APS-105 and RS232 ?
Packet on FRS? (2 msgs)
PSK31 on Laptop PCMCIA Sound Card
Satellite Cable Length
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Archives of past issues of the Ham-Digital Digest are available
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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.
Loop-Detect: Ham-Digital:2000/83
----------------------------------------------------------------------
Date: Thu, 16 Mar 2000 09:55:38 GMT
From: nomail@rob.knoware.nl (Rob Janssen)
Subject: $99 Modern TNC (LCD 800x600)
Gary Coffman <ke4zv@bellsouth.net> wrote:
>It doesn't need slots, the sound chipset is on the board,
>same as most laptops with sound capability.
Actually, it looks an awful lot like a laptop in a different case...
How come that it costs only 1/10th? Is this box subsidized by an Internet
access provider?
Rob
--
+----------------------------------+--------------------------------------+
| Rob Janssen pe1chl@amsat.org | WWW: http://www.knoware.nl/users/rob |
| AMPRnet: rob@pe1chl.ampr.org | AX.25 BBS: PE1CHL@PI8WNO.#UTR.NLD.EU |
+----------------------------------+--------------------------------------+
>.
------------------------------
Date: Wed, 22 Mar 2000 19:41:50 -0800
From: Kevin <xrivaznyl@ubgznvy.pbz>
Subject: Baycom and Linux
Hi,
Does anyone know if there is program to allow use of the simple
Baycom modem with Linux?
Thanks,
--
Kevin
http://nworegon.htmlplanet.com/ a site covering NW Oregon, Scanner SWL
and Ham Radio topics and links.
>.
------------------------------
Date: Thu, 23 Mar 2000 04:20:58 GMT
From: "D. Stussy" <kd6lvw@bde-arc.ampr.org>
Subject: Baycom and Linux
Program: No.
Kernel driver: I believe so.
On Wed, 22 Mar 2000, Kevin wrote:
> Does anyone know if there is program to allow use of the simple
> Baycom modem with Linux?
>.
------------------------------
Date: 23 Mar 2000 05:54:15 GMT
From: nielsen@primenet.com (Bob Nielsen)
Subject: Baycom and Linux
On Wed, 22 Mar 2000 19:41:50 -0800, Kevin wrote:
>Hi,
>
>Does anyone know if there is program to allow use of the simple
>Baycom modem with Linux?
Compile support into the kernel and it will work with all sorts of
programs.
--
Bob Nielsen, N7XY (RN2) nielsen@primenet.com
Tucson, AZ DM42nh QRP-L #1985 SOC #77 http://www.primenet.com/~nielsen
>.
------------------------------
Date: Wed, 22 Mar 2000 11:38:31 -0600
From: "John Dewey" <KA9CAR@NS.arrl.net>
Subject: Can you identify the mystery signal?
I have heard that signal on most ham bands above 20 meters. It is a good
way to find the MUF.
I have two theories. 1) It is some kind of natural signal that is running
near the MUF, or 2) it is over the horizon radar, less annoying than the old
woodpecker style radar. I don't think it is natural.
KA9CAR
Michael Borowiec wrote in message <8baokf$10m$1@Mars.mcs.net>...
>I've been hearing a strange signal on 17 meters lately, and I cannot
>identify it. I have a 15 second sound bite on the web which was recorded
>on March 22, 2000 at approximately 0500Z on 18.090 MHz, and I tuned up
>1 KHz during recording. I think it sounds like water falling over rocks.
>If you know what this signal is, please send me an e-mail, and I'll post
>the answer.
>
>Here's the URL pointing to the sound bite (100KB MP3).
>http://www.mcs.net/~mikebo/personal/water.mp3
>
>Regards,
>- Mike, WA9CQ
>.
------------------------------
Date: 22 Mar 2000 23:38:13 -0600
From: mikebo@Mars.mcs.net (Michael Borowiec)
Subject: Can you identify the mystery signal?
Thanks to everyone who responded... especially Jack, WA9FVP, who
correctly identified the signal as ALE, or Automatic Link Establishment.
ALE is a protocol for automatically determining an available channel on
HF frequencies. Radios that implement ALE are currently being sold by
Motorola and others.
Check out:
http://www.motorola.com/LMPS/RNSG/mobiles/micom/micom_2e/
Also, a ham in England has written software to implement ALE protocol
on two specific amateur radios, including the ICOM 706.
Check out:
http://www.chbrain.dircon.co.uk/
73, Mike, WA9CQ
In article <8baokf$10m$1@Mars.mcs.net>,
Michael Borowiec <mikebo@Mars.mcs.net> wrote:
>I've been hearing a strange signal on 17 meters lately, and I cannot
>identify it. I have a 15 second sound bite on the web which was recorded
>on March 22, 2000 at approximately 0500Z on 18.090 MHz, and I tuned up
>1 KHz during recording. I think it sounds like water falling over rocks.
>If you know what this signal is, please send me an e-mail, and I'll post
>the answer.
>
>Here's the URL pointing to the sound bite (100KB MP3).
>http://www.mcs.net/~mikebo/personal/water.mp3
>
>Regards,
>- Mike, WA9CQ
>.
------------------------------
Date: Wed, 22 Mar 2000 23:38:32 -0800
From: "Patricia Gibbons" <patricia.gibbons@tactical-link.com>
Subject: Can you identify the mystery signal?
What you are hearing is standard ALE (Automatic Link Establishment)
signaling
I have a Motorola MICOM-2R with ALE .. What you hear is very characteristic
of this protocol, it uses a special signaling modem with 8-tones, referred
to as an
"8-ary" modem ..
Trish
--
--
Patricia E. Gibbons
Tactical Link Systems
<http://www.tactical-link.com>
see my comvan at:
<http://www.qrz.com/callsign.html?callsign=wa6ube>
.......................................
My Public Key is available at:
<http://pgp5.ai.mit.edu:11371/pks/lookup?op=vindex&search=0xEDECB44F>
Key ID: 0xEDECB44F
This key is RSA, NOT Diffie-Hellman !!
Michael Borowiec <mikebo@Mars.mcs.net> wrote in message
news:8baokf$10m$1@Mars.mcs.net...
> I've been hearing a strange signal on 17 meters lately, and I cannot
> identify it. I have a 15 second sound bite on the web which was recorded
> on March 22, 2000 at approximately 0500Z on 18.090 MHz, and I tuned up
> 1 KHz during recording. I think it sounds like water falling over rocks.
> If you know what this signal is, please send me an e-mail, and I'll post
> the answer.
>
> Here's the URL pointing to the sound bite (100KB MP3).
> http://www.mcs.net/~mikebo/personal/water.mp3
To be continued in digest: hd_2000_83B
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