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PA2AGA > HDDIG 24.07.00 03:20l 159 Lines 6197 Bytes #-9305 (0) @ EU
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From: PA2AGA@PI8HGL.#ZH1.NLD.EU
To : HDDIG@EU
Date: Sun, 23 Jul 00 16:56:13 MET
Message-Id: <hd_2000_198A>
From: pa2aga@pe1mvx.ampr.org
To: hd_broadcast@pa2aga.ampr.org
X-BBS-Msg-Type: B
Ham-Digital Digest Sun, 23 Jul 2000 Volume 2000 : Issue 198
Today's Topics:
56Kb Packet Radio Modem
Forget HF & CW - Think Digital
New PSK31 site to promote digital ham radio
RigBlaster (6 msgs)
RTTY & Digital HF (3 msgs)
tones??? (3 msgs)
Send Replies or notes for publication to: <Ham-Digital@UCSD.Edu>
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Problems you can't solve otherwise to brian@ucsd.edu.
Archives of past issues of the Ham-Digital Digest are available
(by FTP only) from ftp.UCSD.Edu in directory "mailarchives/ham-digital".
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:2000/198
----------------------------------------------------------------------
Date: Sun, 23 Jul 2000 18:50:02 +1000
From: "David Findlay" <nedz@bigpond.com>
Subject: 56Kb Packet Radio Modem
Could someone point me to a good design for a 56Kb Packet Radio Modem on the
web? I have decided to wait till later to get 10Mb, so I am going to try and
get the network going on 56k.
David Findlay
------------------------------
Date: Sun, 23 Jul 2000 10:37:40 GMT
From: Baldur Norddahl <bbn@nkdev.dk>
Subject: Forget HF & CW - Think Digital
Brian Kelly wrote:
> >Which of these two would give you something to feel pride in?
> >
> Right on the money, well said Jeff! This whole NG is a brawl between
> disparate cultures. Those of us who do radio because it's radio also
> do the dialup/ISDN/DSL or whatever side of personal and hobby
> communications, we know what's up on both sides of the coin. But we
> might as well be talking to our pet rocks when we try to explain to
> the digigeeks that, for one instance, neighborhood VHF/UHF Internet
> portals ain't radio in the first place plus we could care less because
> we already have Internet access.
I think the above quote might express a common attitude problem from the
"old" people. The old school HAM clubs in my area is full of people that
thinks HAM is about HF and the VHF/UHF is just the beginner bands where
you only stay until you got the license for the _real_ bands.
But isn't it a fact that creating those digital gateways to internet is
just as challenging as what you are doing? Operating them might look so
simple from the outside, but you are forgetting all the work it took to
get there.
It might not be the same objective as the HF guys have. HF is about
communicating as far as possible using only radio. Ok. But VHF digital
is about communtication as fast as possible using the band as
efficiently as possible and in many case as far as possible too ("far"
here is just measured in tens of kilometers instead of 1000's but it can
be as hard to archive).
It is most often _not_ about saving some money by using the neighbours
DSL line. The equipment needed for this is so expensive that you could
buy 10 DSL lines just to get you connected at some lousy lower speed.
Also the "but I have internet home" argument is the same as "but you
could just call the guy over the phone" argument.
As I see it we have a split in the community with HF people, UHF/digital
people and a few people doing both. And as long as one or both of these
groups has this attitude that the other form for radio communication
isn't really radio (what you said in the quoted) you will enforce that
split.
Now it is no secret that young people want to try the new and
unexplored. They also want fast internet access, and it seems logical to
combine your hobbies if you can (your internet activites with your HAM
activities even if that isn't the cheapest or easiest way). So I say the
UHF/digital people are going to get the new blood. If the HF people keep
telling them what they are doing is not _real_ radio, do you really
think that will keep them from doing it? - no let me tell what they will
do: they will think old idiots playing with their pre WW-II toys. We
will just stay away from them and mind our own business.
In fact, that is what I am doing. I am not staying away from the local
HAM clubs because I think HF is lame. I am staying away because the
people in those clubs thinks my attempts at creating a digital highspeed
link is lame, and I generally don't like to be around people that think
I am lame. And half of them thinks my factory build 70 cm tranciver is
lame too fully ignoring that none of them have the skills to actually
build a 70 cm tranciver.
Baldur
------------------------------
Date: Sat, 22 Jul 2000 14:08:34 GMT
From: kf4sir@earthlink.net (Dale Coleman)
Subject: New PSK31 site to promote digital ham radio
Hi all, I have been busy during any free time I can find working on a
new web site to try and promote digital ham radio.
Hope to stir interest in experimenting with Pactor, PSK31 and maybe
RTTY for possible emergency use and maybe setup a NTS sub. section if
any interest.
The site is still under construction but has about 70% of the planed
content up now. (Hope to start working on the graphics soon and make
it look better).
Goal is to try and figure out ways that PSK31 could be used to relay
messages and try and foster better understanding between Pactor and
PSK31 operators by getting hams to try the other mode.
http://psk31relay.net
Thanks and suggestions welcome.
Dale KF4SIR
--
Dale Coleman
kf4sir@earthlink.net
http://home.earthlink.net/~kf4sir/
(>: 6unp sI 86 smopuIM
------------------------------
Date: Sat, 22 Jul 2000 08:55:24 -0400
From: "Bob Lewis" <rlewis@staffnet.com>
Subject: RigBlaster
RigBlaster provides an isolation transformer and adjustable attenuator
for the transmit audio (sound card to transmitter) and a keying
circuit to convert the serial port levels to a PTT for the
To be continued in digest: hd_2000_198B
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