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PA2AGA > HDDIG 19.12.99 09:46l 223 Lines 7470 Bytes #-9645 (0) @ EU
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Subject: HamDigitalDigest 99/320A
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Ham-Digital Digest Sat, 18 Dec 99 Volume 99 : Issue 320
Today's Topics:
Cylink AirLink 256 Kbps Wirless Modems
FBB server-client via Flexnet
Free software for AEA PK232
ground loops and audio isolation transformers (2 msgs)
Guide to the rec.radio Newsgroups
KAM or KAM Plus
Kenwood Control program that runs on Liunx AND Windows!!!!! (9 msgs)
REPOST - Looking for RTTY16 (v 1.6) by KF4NB
Whats the best TNC? (2 msgs)
WTB firmware tiny2
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
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policies or positions of any party. Your mileage may vary. So there.
Loop-Detect: Ham-Digital:99/320
----------------------------------------------------------------------
Date: 17 Dec 1999 18:24:26 GMT
From: mhende6388@aol.com (MHende6388)
Subject: Cylink AirLink 256 Kbps Wirless Modems
For Sale @
http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=221614294
Michael
N6JFD
MHende6388@aol.com
>.
------------------------------
Date: 17 Dec 99 15:43:33 GMT
From: skoric@ptt.YU (Miroslav Skoric)
Subject: FBB server-client via Flexnet
Gentlemen,
What I want to do in my club is to make a small network. A "server" should
be DosFBB515c on an old 286 computer having Baycom USCC card with two modems
on board. It works now as a standalone bbs with TFPCX driver in -dr(si) mode
and PORT.SYS with DRSI interface. A "client" should be another 286 that has
Baycom Terminal 160 installed (capable of KISS interface).
I want my club members to "connect" FBB from the client computer in a way
they would use radio connection.
Both computers have COM ports and I made 3-wire cable to link them (TX and
RX crossed + Ground). Before that, I tested COM ports with the MSD and it
told that COM's on server are 2400 baud, data 8, UART 16550AF. COM's on
client are 1200 baud, data 5, UART 8250. Other params are the same on both
ends.
I was suggested to try Flexnet as the networking solution. Well I load:
LH FLEXNET
LH USCC /i=5 (because default value is 7 and what about LPT1 at IRQ7?)
FLEX
TFEMU (here I don't know if it is needed to have: -i=5 or what else
IRQ?)
and FBB with PORT.SYS in TFPCX interface.
It doesn't boot USCC at all. Seems that USCC card has been found after LH
USCC and there appear an info about USCC chanells after FLEX. So far so
good.
Well, at first I tried go back and test TFPCX in its "normal" (not "drsi")
mode and PORT.SYS with TFPCX interface. It doesn't work too.
Next, I tried to use BPQ with USCC settings (worked great with kiss-TNC
earlier) and PORT.SYS with BPQ interface. It doesn't work.
One more time, I tried Flexnet modules, this time TFEMU in DRSI mode and
PORT.SYS with DRSI interface. It doesn't work.
Wonder if somebody has DosFBB515c + Flexnet + USCC running properly? And to
have wire link to another computer as a "client". I suppose to need here:
LH KISS <portnum>
FSET MODE <chanellnum> <speed>
on both ends of such 3-wire link. Any experience with?
Misko YT7MPB
>.
------------------------------
Date: Tue, 14 Dec 1999 13:43:03 GMT
From: ea3tb@quitaesto.jet.es (EA3TB)
Subject: Free software for AEA PK232
If you want try my freeware soft WINTTY at
www.geocities.com/CapeCanaveral/6030/Wintty
73' de Cosme, EA3TB
On Mon, 13 Dec 1999 15:43:51 +0100, "Nermin Bajramoviĉ"
<fortra@siol.net> wrote:
>Hello ham's,
>
>Recently I have had purchased AEA Pakratt 232 model: PK232mbx for digital
>modes.
>
>Would someone please advise me, where I can get free software for terminal
>emulation for use on RTTY, packet 1200 baud's as passive dx-cluster, etc...
>
>I will use the 232 with Kenwood TS850SAT, Dentron Amp. MLA 2500B, and
>variety
>of Vertical ant, Zepp etc..
>
>Thanks in advance, Happy Y2K Merry Christmas and see you on the bands.
>
>Opps, the PC will be 486 DX 66 with Philips monitor 15".
>
>Please respond to NG or my e-mail directly: fortra@siol.net
>
>Nermin, S58DX
>
>
>
>
=====================================
Para responder quitar "quitaesto"
To answer remove "quitaesto"
ea3tb@quitaesto.jet.es
>.
------------------------------
Date: Fri, 17 Dec 1999 18:10:52 -0500
From: "Rob" <NoEmail@NoWay.com>
Subject: ground loops and audio isolation transformers
I have some ground loop problems between my rig and sound card. I currently
use two resistor networks to reduce the audio levels. (one for the line from
the sound card speaker out to the rig mic input and one for the line from
the rig aux audio out and the sound card mic input)
I would like to use some audio isolation transformers on both audio lines
(I,e. the line from the sound card speaker out to the rig mic input and the
line from the rig aux audio out and the sound card mic input)
Does it matter where I place the audio isolation transformers on these two
lines? e.g Can I place it on the side closer to the sound card with the
resistor network on the other side of the transformer closest the rig?? Or
should it be vice versa?
73's
Rob
>.
------------------------------
Date: Fri, 17 Dec 1999 23:32:56 -0600
From: "George T. Baker" <w5yr@worldnet.att.net>
Subject: ground loops and audio isolation transformers
It doesn't matter where on the cable the transformer is inserted. But, be
careful that you do not have any other connections between the computer
and the rig. A common error/oversight is to use the transformers,
properly installed, and then add a PTT circuit controlled from a serial
or parallel port. This automatically connects computer ground to rig
ground and nullifies the action of the transformers. Another good reason
to use VOX if your rig will support it with PSK31 or whatever.
72/73, George
Fairview, TX 30 mi NE Dallas in Collin county
Amateur Radio W5YR, in the 54th year and it just keeps getting better!
R/C since 1964 - AMA 98452 RVing since 1972
Rob wrote:
>
> I have some ground loop problems between my rig and sound card. I currently
> use two resistor networks to reduce the audio levels. (one for the line from
> the sound card speaker out to the rig mic input and one for the line from
> the rig aux audio out and the sound card mic input)
>
> I would like to use some audio isolation transformers on both audio lines
> (I,e. the line from the sound card speaker out to the rig mic input and the
> line from the rig aux audio out and the sound card mic input)
>
> Does it matter where I place the audio isolation transformers on these two
> lines? e.g Can I place it on the side closer to the sound card with the
To be continued in digest: hd_99_320B
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