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PA2AGA > HDDIG 18.08.00 22:06l 177 Lines 5948 Bytes #999 (0) @ EU
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To : HDDIG@EU
Date: Fri, 18 Aug 00 20:22:32 MET
Message-Id: <hd_2000_223A>
From: pa2aga@pe1mvx.ampr.org
To: hd_broadcast@pa2aga.ampr.org
X-BBS-Msg-Type: B
Ham-Digital Digest Thu, 17 Aug 2000 Volume 2000 : Issue 223
Today's Topics:
Commodore 64 Source?
English Web Site for MMTTY
Portable - TNC / Radio (2 msgs)
PSK31 reception killed by RFI from PC... (2 msgs)
PSK31 with Linux... (3 msgs)
PSK Operating
Trouble with KAM Allmode!
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:2000/223
----------------------------------------------------------------------
Date: 16 Aug 2000 05:14:31 GMT
From: njradiodude@aol.com (NJRadioDude)
Subject: Commodore 64 Source?
My old C=64 finally died. It's been through a few power supplies over the
years, and now I think the whole thing is just plain tired.
Trying to stay away from eBay, I'm looking for a reputable source for C64s and
power supplies that deals mainly in like-new or reconditioned units.
I wold rather keep with the 64 since it runs my PK232 and a satellite tracking
program and I really don't feel like changing all the parameters of a new
(different) computer.
Any help is greatly appreciated.
Thanks,
Tom KB2FIK
NJRadioDude@aol.com
Bloomfield, New Jersey
------------------------------
Date: Wed, 16 Aug 2000 19:23:37 GMT
From: "Casey \(KC\)" <casey@techie.com>
Subject: English Web Site for MMTTY
I have added a screen shot of MMTTY so anyone who has not tried the program
can see what it looks like. Take a look to see how I have my MMTTY setup.
73 ... Ken
MMTTY English Web Site - http://www.geocities.com/mmtty_rtty/
------------------------------
Date: Thu, 17 Aug 2000 00:24:12 -0700
From: "Jim Grosswon" <grosswon@hotmail.com>
Subject: Portable - TNC / Radio
Hi All - I am relatively new to ham radio. I am about to purchase my first
setup and wanted get some advice on the follow products. I would like to
have a portable radio and TNC that I can take the top of mountains when I
hike. Here are the two setups I am considering:
#1: Yaesu VX-5R Tri-band HT with a Katronics KPC-3
#2: Kenwood TH-D7A (TNC built-in)
I need a simple setup that does not weigh too much or draw too much power.
If you have opinions on the options above or an alternate option, I would
appreciate the advice.
John
------------------------------
Date: 17 Aug 2000 07:46:13 GMT
From: hrbcrb@aol.com.goaway (KF6HHS)
Subject: Portable - TNC / Radio
Hello John
You did not mention what/why use of the TNC. Are you going to use it for
packet, APRS, or? There may be some options depending on your intended use
and
may reduce the size/weight of the radio/TNC you need to pack.
Regards, Hugh KF6HHS
Retired, now life moves at my pace.
please note spam filter
------------------------------
Date: Thu, 17 Aug 2000 15:18:03 +1200
From: "Gerard Welford" <gerard.welford@xtra.co.nz>
Subject: PSK31 reception killed by RFI from PC...
Gary Danaher wrote in message <3999FD4C.ED03A694@home.com>...
>Make sure it is the pc and not the monitor. My experience says that the
problem
>is in the monitor. Turn it off and see what happens.
>
>Steve Kallal wrote:
>
When ever I turn the desktop PC
>> on, my receiver on 20 meters get several S units of noise covering all
but
>> the strongest signals. When I disconnect the antenna the noise
disappears
>> completely. The rig is around the room from the computer, about 6 to 8
feet
>> or so. The antenna is located on the my apartment balcony at least 15 to
20
>> feet away.>
>> Does anyone have any suggestions? I am open to ideas.
>>
>> Steve Kallal KB9XU
>> skallal@pacbell.net
I too suffer from horrendous QRM from my Pentium and no, it is not the
monitor. I have tried grounding the computer case, winding the leads through
toroids and if I throw it out the window then bang goes my chances of
operating. The QRM seems to be on set frequencies so I am forced to avoid
those spots.
If anybody has got any suggestions I will be eternally grateful.
73 Gerry ZL1AWW
------------------------------
Date: Thu, 17 Aug 2000 07:43:33 GMT
From: nomail@rob.knoware.nl (Rob Janssen)
Subject: PSK31 reception killed by RFI from PC...
Gerard Welford <gerard.welford@xtra.co.nz> wrote:
>I too suffer from horrendous QRM from my Pentium and no, it is not the
>monitor. I have tried grounding the computer case, winding the leads through
>toroids and if I throw it out the window then bang goes my chances of
>operating. The QRM seems to be on set frequencies so I am forced to avoid
>those spots.
>If anybody has got any suggestions I will be eternally grateful.
This can be extremely difficult to tackle, as you could be the victim of a
bad motherboard design. First try to disconnect as many leads from the PC
as practically possible (start out with only the mains lead) and see if
there still is that much QRM.
When there is, there may be hope. You apparently have a leaky (plastic?)
case, and should just discard it and build everything into a decent case
with metal shielding all around, and fingerstock that interconnects the
case plates (very important! a "slot"-formed gap in your case makes all
other shielding effort worthless, so watch out for slots along the lid)
To be continued in digest: hd_2000_223B
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