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1991-02-11
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From wang!elf.wang.com!ucsd.edu!packet-radio-relay Mon Feb 11 17:07:09 1991 remote from tosspot
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Message-Id: <9102111230.AA06593@ucsd.edu>
Date: Mon, 11 Feb 91 04:30:05 PST
From: Packet-Radio Mailing List and Newsgroup </dev/null@ucsd.edu>
Reply-To: Packet-Radio@ucsd.edu
Subject: Packet-Radio Digest V91 #40
To: packet-radio@ucsd.edu
Packet-Radio Digest Mon, 11 Feb 91 Volume 91 : Issue 40
Today's Topics:
computer/radio RFI
Shareware over packet?
Send Replies or notes for publication to: <Packet-Radio@UCSD.Edu>
Send subscription requests to: <Packet-Radio-REQUEST@UCSD.Edu>
Problems you can't solve otherwise to brian@ucsd.edu.
Archives of past issues of the Packet-Radio Digest are available
(by FTP only) from UCSD.Edu in directory "mailarchives/packet-radio".
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.
----------------------------------------------------------------------
Date: 10 Feb 91 16:43:00 GMT
From: zaphod.mps.ohio-state.edu!sol.ctr.columbia.edu!cunixf.cc.columbia.edu!cunixb.cc.columbia.edu!mig@tut.cis.ohio-state.edu (Meir)
Subject: computer/radio RFI
To: packet-radio@ucsd.edu
In article <58544@eerie.acsu.Buffalo.EDU> v127p9xg@ubvmsd.cc.buffalo.edu writes:
>
><Posted for a friend>
>
>As many readers of this group obviously have had to deal with this to some
>degree, I suppose this is the right group to post this...?
>
>
>I plan to use my computers in conjunction with my ham radio activities, both
>for digital comms and for logging, etc, but there is a problem..
>
>I have two machines, and hope to use both. One is a 12 Mhz AT clone, and the
>other is a Leading Edge XT clone. Currently Im using a borrowed Hallicrafters
>
>SX-122 just to listen in until I purchase a Kenwood 440 or perhaps 850. For
>now, my antenna consists of a random-wire fed directly into the rcvr. With the
>new radio will come a new antenna, obviously fed with coax. With thesetup
>as-is, both computers drown out both the hallicrafters and my scanner.
>
>Questions:
>1) will the new antenna, being fed with coax, eliminate, or significantly
>reduce the noise levels?
Yes. Get your antenna as far above your setup as possible.
Ground everything to an excellent earth ground.
>2) If not, are there any relatively cheap/easy mods that can be done to the
>rig or computers to reduce their RFI output?
I'll ignore the "if not."
Put lots of chokes on your cables; especially your monitor cables.
Shielding your monitor may help most of all!
>Thank you
>Robert J Miskines
>V127P9XG @ ubvms.cc.buffalo.edu
You're welcome. 73
* * * * * * * ======================= Meir Green
* * * * * * * * ======================= mig@cunixb.cc.columbia.edu
* * * * * * * ======================= N2JPG
------------------------------
Date: 10 Feb 91 15:13:53 GMT
From: swrinde!cs.utexas.edu!helps!bongo!julian@ucsd.edu (Julian Macassey)
Subject: Shareware over packet?
To: packet-radio@ucsd.edu
In article <27B4E066.13012@ics.uci.edu> turner@ics.uci.edu (Clark Turner) writes:
>
>I have just tuned in to this net and am quite curious about this ruling
>you refer to. Do you have a reference to it?
Stuff deleted
>This concerns me since I am a beginning attorney and very interested in
>the field of amateur rules and regulations...and if I get called upon I
>want to have the basic information before I go out and comb the field.
Looks like this guy is going to fit right in. He has managed to
combine his profession (ambulance chasing) with his hobby (radio). He
will be happy to find that all too many of the denizens here share
his hobby and have his profession as their hobby too.
This is going to give much more milage to the "Can I order a
pizza if I refuse to pay the delivery boy" questions.
My understanding of amateur radio is that 70 years ago, the old
farts just wanted to sit around and talk about radio theory while the
young Turks wanted to build radios and transmit with them (using CW
even). Now we seem to be at a stage in our history where the old
farts want to sit around and discuss radio rules and regs while the
young Turks want to build radios and transmit. Things haven't changed
much, but I think they have changed for the worse.
--
Julian Macassey, n6are julian@bongo.info.com ucla-an!denwa!bongo!julian
N6ARE@N6YN (Packet Radio) n6are.ampr.org [44.16.0.81] voice (213) 653-4495
------------------------------
End of Packet-Radio Digest
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