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Subject: HamDigitalDigest 2000/27
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Ham-Digital Digest Thu, 27 Jan 2000 Volume 2000 : Issue 27
Today's Topics:
Bug in KANTRONICS KPC3 and KAM firmware?
Kantroncs bugs? (3 msgs)
Kenwood TM D700 on the PACSATS?
Send Replies or notes for publication to: <Ham-Digital@UCSD.Edu>
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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:2000/27
----------------------------------------------------------------------
Date: Tue, 25 Jan 2000 09:50:45 GMT
From: nomail@rob.knoware.nl (Rob Janssen)
Subject: Bug in KANTRONICS KPC3 and KAM firmware?
Rick Ruhl <ricker@cssincorp.com> wrote:
>This is normal for the TNC's we've written code for. Once the TNC buffer is
>full, if anything else is sent to may get lost.
>The way we worked around it, was to not only test to see if there was room
>in the buffer left, but also wait for unacked packets to be acked if
>connected.
The proper way (to solve the problem mentioned in the original message)
would have been for the TNC to do the handshake procedure (send the XOFF
or lower the handshake line) a few (16-32) characters BEFORE the buffer
actually is full. This allows the sending system to stop in time to
prevent the buffer from overflowing, especially when a hardware FIFO is
also present.
Many TNC-like devices have broken handshaking routines and drop characters
or even crash when you stress the handshaking.
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, 26 Jan 2000 11:33:43 -0600
From: "Bob Fay" <robert.fay@unisys.com>
Subject: Kantroncs bugs?
I would like to second Hank's question. Speaking as a user who has never had
a
problem the KAM+.
Bob N0TVZ
"Hank Oredson" <horedson@att.net> wrote in message
news:86n89a$7hh$1@bgtnsc02.worldnet.att.net...
>
> "Charles Brabham" <n5pvl@texoma.net> wrote in message
> news:86mt7j0iek@enews2.newsguy.com...
> > The Kantronics gear is pretty much a lost cause. Nobody who is serious
> about
> > Packet Radio uses it anymore. Your best bet is to sell the gear to a
> > die-hard Kantronics user, and let THEM be the fool. You can then use the
> > money to help buy better equipment.
>
> That better equipment would be what?
>
> (Speaking as a programmer who has *not* had any problems
> programming for Kantronics ... or any other ... TNC.)
>
> --
>
> ... Hank
>
> http://horedson.home.att.net
>
>
>
>.
------------------------------
Date: Wed, 26 Jan 2000 19:37:40 -0600
From: "Charles Brabham" <n5pvl@texoma.net>
Subject: Kantroncs bugs?
Hank Oredson <horedson@att.net> wrote in message
news:86n89a$7hh$1@bgtnsc02.worldnet.att.net...
>
> "Charles Brabham" <n5pvl@texoma.net> wrote in message
> news:86mt7j0iek@enews2.newsguy.com...
> > The Kantronics gear is pretty much a lost cause. Nobody who is serious
> about
> > Packet Radio uses it anymore. Your best bet is to sell the gear to a
> > die-hard Kantronics user, and let THEM be the fool. You can then use the
> > money to help buy better equipment.
>
> That better equipment would be what?
>
In trying to answer that question, I found myself in a quandary... There are
so many better brands to recommend, with "the best" being a matter of
personal taste or particular need.
As for those of you who are proud that your Kantronics equipment "works",
I'll mention the case of a neighbor whose Yugo automobile "works"... It gets
her to town every day. That does not make it a superior design.
--
73 DE Charles Brabham, N5PVL
N5PVL @ N5PVL.#NTX.TX.USA.NOAM
http://www.texoma.net/~n5pvl
>.
------------------------------
Date: Wed, 26 Jan 2000 21:20:10 -0600
From: "Steve Sampson" <ssampson@usa-site.net>
Subject: Kantroncs bugs?
Any modem works fine for 1.2 kbps packet. There is no "better."
It's all obsolete stuff from the 80's.
If you're "serious about Packet Radio" I would recommend using
Linux and the soundcard modems, with the 4.8 kbps version
working very well into regular audio based radios. There's also
a ROSE network mode that works very well for links.
----- Original Message -----
> > > The Kantronics gear is pretty much a lost cause. Nobody who is serious
> > > about Packet Radio uses it anymore
>>
> > That better equipment would be what?
> >
>
> In trying to answer that question, I found myself...
>.
------------------------------
Date: Mon, 24 Jan 2000 16:48:32 GMT
From: "Bob Carlson" <n0aot@san.rr.com>
Subject: Kenwood TM D700 on the PACSATS?
Hi All,
Kenwood says that the new TM D-700 will work on the 9600 baud pacsats, but I
have yet to hear if anyone has actually reported success. Has anyone done it
yet?
Does the radio work with WiSP? The manual lists a KISS mode command so it
should work, but has anyone tried it?
Also important -- can the VFO's be controlled via the serial port for full
duplex doppler tracking of the pacsats? If so, where are the commands for
this? I looked through the manuals briefly and could see lots of the normal
TNC commands, but nothing for VFO control...
I know that Kenwood has a program in beta test on their Web site for
programming memories on the D-700, but am not sure if that would be useful
for doppler tracking... Any experiences yet???
--Bob Carlson, n0aot@amsat.org
>.
------------------------------
End of Ham-Digital Digest V2000 #27
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