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PA2AGA > HDDIG 24.08.00 00:32l 206 Lines 6162 Bytes #999 (0) @ EU
BID : HD_2000_229B
Read: GUEST
Subj: HamDigitalDigest 2000/229B
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Sent: 000823/2005Z @:PI8HGL.#ZH1.NLD.EU #:6429 [Den Haag] FBB $:HD_2000_229B
From: PA2AGA@PI8HGL.#ZH1.NLD.EU
To : HDDIG@EU
Date: Wed, 23 Aug 00 21:06:38 MET
Message-Id: <hd_2000_229B>
From: pa2aga@pe1mvx.ampr.org
To: hd_broadcast@pa2aga.ampr.org
X-BBS-Msg-Type: B
> radio. Is it possible to interface a VHF/UHF transceiver to a standard
> modem and write the NDIS driver on top of that? My understanding is
> that the standard analog modem would handle the digital RS232 interface
> and accompanying digital serial data and modulate it onto a typical
> carrier signal for transmission over POTS. Could you take that signal
> and route it to a VHF/UHF transceiver for transmission? If that even
> possible or is that just plain crazy?
>
> Are there any other valid, feasible solutions? The ultimate goal of the
> project is to write the driver and hence the data link layer (handling
> all the error detection, flow control, etc) and ultimate provide
> solution to run this particular UDP/IP application over top of it.
>
> As for data rates, I have read about numerous RF modems that claim they
> can achieve over the data rates of 38.4Kbps (in theory anyway) using
> GMSK and DFM. Any recommendations on hardware?
>
> Do I still TNC if I am writing the NDIS driver?
>
> Thanks in advance!!
>
>
> Sent via Deja.com http://www.deja.com/
> Before you buy.
>
>
------------------------------
Date: Tue, 22 Aug 2000 21:40:17 +0000
From: HigginsJ@ftc-i.SpAmZaP.net.INVALID
Subject: IP Over packet radio : Help
On Tue, 22 Aug 2000 17:35:35 GMT, in <8nudl6$u4u$1@nnrp1.deja.com>,
whrudey@mdsi.bc.ca wrote:
>I am exploring the application of a point to point radio link between
>two host computers for an academic project.
If you can communicate between these same two machines using modems
and a phone line, I see no reason why you can't substitute TNCs for
the modems, attach radios to the TNCs and carry on almost without
breaking stride.
Configuration of your TNCs plus a bit of fiddling with your dialing
strings to send commands to force a TNC connection vs dialing a phone
number is about the only change I see necessary. More would be
involved if security is an issue.
--
Jim Higgins, higginsj AT ftc-i DOT net
icbm: 33.55.34N, 80.24.21W
http://web.ftc-i.net/~higginsj/index.html
------------------------------
Date: Tue, 22 Aug 2000 19:27:17 -0500
From: "K5OKC" <ssampson@usa-site.net>
Subject: IP Over packet radio : Help
Take a look at:
http://www.raag.org/sv2agw/
He has an NDIS driver, and many other solutions. The TCP/IP over radio
part does have a charge, but it is less than a 6-pack of beer.
Also look at Linux and built-in IP and AX.25.
The AGWPE (packet engine) is also really neat for programming packet
radio solutions using IP and sockets.
Very powerful Windows interface, and similar to the one included
with Linux.
Steve
> I am exploring the application of a point to point radio link between
> two host computers for an academic project. Ultimately, I would like
> to write a Window NDIS driver to interface to a an RF modem via a
> RS-232C connection.
------------------------------
Date: Wed, 23 Aug 2000 00:37:44 GMT
From: dcorio@adelphia.net (Doc)
Subject: MFJ 1278B/DSP info request
Has anyone used the MFJ 1278B/DSP multi-mode controller? I'm
considering buying it, but would like to hear any users feedback, good or
bad, before I decide.
I'm using an old PK-232 right now, but it's fading fast. I'm also
thinking about the KAM-98 and the Timewave PK232/DSP.
Any input or comparisons on these units is appreciated!!
Thanks
Dave
N0HNJ
------------------------------
Date: Wed, 23 Aug 2000 10:25:14 +1200
From: "Leslie.J.Keeley.DPL.CM ISOM" <keeley@xtra.co.nz>
Subject: wanted
This is a multi-part message in MIME format.
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visual paketpet packet radio program need full ver please
zl3aja
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Shared\Stationery\">
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<DIV>visual paketpet packet radio program need full ver please</DIV>
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REV:20000822T222514Z
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------------------------------
Date: Tue, 22 Aug 2000 11:08:50 GMT
From: dpknight@digital.com (Dave Knight)
Subject: WinPSKse has been updated to version 2.01
The newest version of WinPSKse is now available. It includes a few new
features and quite a few bug fixes. It is now available at www.winpskse.com
(you can still find a pointer to it as www.psk31.com, if you wish).
Dave, ka1dt
------------------------------
Date: Wed, 23 Aug 2000 09:38:40 GMT
From: info@writerscape.com
Subject: Writerscape.com is the Premier Written Works Exchange
Http://www.writerscape.com 9219
WWW.Writerscape.com is the Premier Written Works Exchange
for Writers, Publishers, Script Buyers and Agents. Revolutionizing the writing
world.
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------------------------------
End of Ham-Digital Digest V2000 #229
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