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Subject: HamDigitalDigest 2000/58A
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Ham-Digital Digest Sun, 27 Feb 2000 Volume 2000 : Issue 58
Today's Topics:
Address of "lak"
AOR ARD-2 ACARS/NAVTEX decoder
AX.25 with TCP/IP routing? (2 msgs)
Data rf frequency...which one? (4 msgs)
FT-2600 mic to TNC (2 msgs)
Internet Accessible AR-Cluster
Internet over packet? (2 msgs)
MFJ 1278B INFO PLEASE (2 msgs)
Palm Vx & THD7A &???
remote HF radio control over packet
Sound cards as modems (2 msgs)
The Future of Packet (3 msgs)
What is a good TNC? (3 msgs)
X1J4 question
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Loop-Detect: Ham-Digital:2000/58
----------------------------------------------------------------------
Date: 26 Feb 00 18:22:59 GMT
From: dbest@is.COM.fj (H.J. (Dick) Best)
Subject: Address of "lak"
Am trying to send direct e-mail to lak@radio.land.com but it gets
thrown back as unknown address. If you are out there Mr. lak, pse adz
direct if I have it wrong. Dick Best. 3D2BA
>.
------------------------------
Date: Sat, 26 Feb 2000 19:52:08 GMT
From: Bob Sayers <bob.sayers@zetnet.co.uk>
Subject: AOR ARD-2 ACARS/NAVTEX decoder
Is anyone using one of these? Any comments on performance?
Anyone got one for sale?
Bob
>.
------------------------------
Date: Thu, 24 Feb 2000 23:43:40 GMT
From: "D. Stussy" <kd6lvw@bde-arc.ampr.org>
Subject: AX.25 with TCP/IP routing?
On Thu, 24 Feb 2000, Daniel Levner wrote:
> Hello guys, and thank you for all the prompt responses that I got.
> However, I think I phrased my question wrong despite my many attempts. I
> have received replies concerning different dynamic routing protocols and
> different software systems that I may use, BUT, what I'm more concerned
> with is this: is there some protocol or software system that people out
> there USE, which constitutes, in essence, some existing infrastructure?
>
> If I put up a transmitter somewhere on the globe without making special
> arrangements with people in the area to capture and forward its packets,
> can I count on there being a nearby station that supports one of the
> dynamic routing algorithms that people mentioned, so that it will
> nonetheless receive and forward my packets after my receiver requests it
> to?
No. There is often no cooperation between amateur radio operators of a high
enough level for such an organized network to exist. In my area, getting any
5
operators to agree on anything is a miracle.
>.
------------------------------
Date: Sat, 26 Feb 2000 10:26:01 -0600
From: "Steve Sampson" <ssampson@usa-site.net>
Subject: AX.25 with TCP/IP routing?
The nice thing about it, is we have a complete inventory that associates
MAC address and IP address, and combines that with cubicle number,
person name, etc.
We use a Free-BSD server to do it, but Linux would suffice.
I have a couple gadgets from Hawking that connects to your Ethernet
and up to two 56k modems, and performs all Masquerade and DHCP
in a box about the size of a TNC. I opened it up, and it has a 386
chip inside. You can also administer it on a built-in Web server. It's
called an irouter. Pretty neat, but the ping times are pretty slow on
this gadget for some reason. I bought them to use in Ham radio some-
way, and would like to put PeeWee Linux on them. Paid $40 each for
two on eBay... Be neat to combine APRS, DGPS, and Ethernet.
Steve
Hamish Moffatt wrote
> >> Yes you certainly would, with DHCP. The DHCP server allocates you an
> >> address and away you go. In everyday use for years.
>
> > I've seen this option when setting up my PCs. Problem is you would have
> > to have a server set up to do this. Never seen one of these animals
> > ever in the real world.
>
> Then what world are you working in? Most companies use DHCP I suspect
> -- it makes administration a lot easier. If you have to change the
> default gateway or name servers for your network, you just change
> them once at the server -- no need to visit every PC. I even use DHCP
> at home to set addresses for my Windows PCs.
>.
------------------------------
Date: 27 Feb 2000 00:04:43 GMT
From: pmarkham@newsguy.com (pmarkham)
Subject: Data rf frequency...which one?
Thanks, Cecil and Bob.
I have continued to pursue this thread because of my confusion and that of
others. It appears that information provided me in Nov 1997, was incorrect.
It concerns the "definition" I seek now, as I have reason to believe what was
told me in 1997 is incorrect, based on recent research.
I have never had a problem with the technical and arithmetic end of it, but
the
tradition has tripped me, as it appears that the quote below, that I took as
the standard since Nov., 1997, is incorrect.
"In all cases the tune to be played is: The mark frequency shall be the
lowest emitted frequency and be considered the published channel."
Any comments relative to the truth of the quote would be appreciated. If it is
incorrect, I have a lot of apologies to make to others to whom I repeated the
mantra.
Pete/wa4hei
>.
------------------------------
Date: Sat, 26 Feb 2000 21:04:12 -0600
From: W6RCecilA <Cecil.A.Moore@IEEE.org>
Subject: Data rf frequency...which one?
pmarkham wrote:
> "In all cases the tune to be played is: The mark frequency shall be the
> lowest emitted frequency and be considered the published channel."
>
> Any comments relative to the truth of the quote would be appreciated. If it
is
> incorrect, I have a lot of apologies to make to others to whom I repeated
the
> mantra.
It doesn't appear to be true, Pete, but if you stick with PACTOR, it
doesn't matter either. :-)
--
73, Cecil, W6RCA http://www.mindspring.com/~w6rca
>.
------------------------------
Date: 27 Feb 2000 04:32:53 GMT
From: pmarkham@newsguy.com (pmarkham)
Subject: Data rf frequency...which one?
Both responses, below, relative to the statement I quoted in my original post:
"In all cases the tune to be played is: The mark frequency shall be the
lowest emitted frequency and be considered the published channel."
beg the questions:
If the quoted "tune" is true, why does mark in the old rtty jargon mean the
higher of two emitted rf frequencies? Why does that tradition, transferred to
To be continued in digest: hd_2000_58B
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