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Subject: PacketRadioDigest 99/287A
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Packet-Radio Digest Sat, 27 Nov 99 Volume 99 : Issue 287
Today's Topics:
Annoying ham operator (2 msgs)
Estate Sale
FILTER SOURCES Re: Annoying ham operator
Kenwood TS-570D and Kam
R0MIR QSL Card
Send Replies or notes for publication to: <Packet-Radio@UCSD.Edu>
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Loop-Detect: Packet-Radio:99/287
----------------------------------------------------------------------
Date: Fri, 26 Nov 1999 12:42:28 -0700
From: Keith Diehl <Address@BottomOf.Page>
Subject: Annoying ham operator
Hi Scott. I'm a ham and I've very glad to hear that you've decided to
talk to the fellow you believe to be involved with the interference
you're experiencing. Most hams are glad to know that there is a
problem and will happily work with you to resolve it. Many Amateur
Radio Clubs have technical committees that can help with difficult
interference issues.
You should know that most of the time, but not always, the problem is
with the TV and not with the ham station. Your idea for a filter is
right on the money. The ham radio generally doesn't transmit
interference on the TV frequency, rather the TV may not have adequate
selectivity to prevent "out of band signals" from forcing their way
into the TV. That's where the filter comes in. (by the way, the
posting about speaker leads and capacitors -- bad idea! Never put a
cap across the speaker leads of a modern solid-state Hi Fi amp. The
are other, safe approaches if you have problems with your stereo)
There are several types of filters and the style that Radio Shack
sells may not be what you need. Possibly you will need a "common mode
filter". Your ham neighbor can help with all of this.
You might also want to look at
http://www.arrl.com/tis/info/rfigen.html, which presents TV
interference from the ham's point of view. The ARRL is a national
organization that represents Amateur Radio.
The point I'm rambling toward is that your neighbor will probably
offer you much help in solving the problem, even if deficiencies in
his transmitter are not the cause of the problem. Hams are a friendly
lot!
Good luck
Keith Diehl - AL7CC
Salt Lake City
In alt.ham-radio.packet, message <81k4hg$qeh$1@sparky.wolfe.net>,
"Scott Wolfe" <shantoa@wolfenet.com> wrote:
>Down the street from me (about 4 houses) there is a ham operator and every
>time he is on I can hear garbage on my TV, Cordless phones, Radio's. etc.
>
>Is there any kind of filter I can buy to stop the interference? I know the
>guy has put a lot of money and time into his equipment but so did I.
>
>What can I do? It's frustrating.
>
>Thanks,
>-Scott
>
>
Keith Diehl - Salt Lake City
spam free email form at www.xmission.com\~kdiehl
>.
------------------------------
Date: 27 Nov 1999 03:52:47 GMT
From: Hamish Moffatt <hamish@rising.com.au>
Subject: Annoying ham operator
Keith Diehl <Address@BottomOf.Page> wrote:
> posting about speaker leads and capacitors -- bad idea! Never put a
> cap across the speaker leads of a modern solid-state Hi Fi amp. The
> are other, safe approaches if you have problems with your stereo)
OK, that's what I thought. (20m gets into my hi-fi perfectly.)
What can I do about it? I have run a few turns through a ferrite core
at the speaker end and this makes very little difference.
thanks,
Hamish
--
Hamish Moffatt Mobile: +61 412 011 176 hamish@rising.com.au
Rising Software Australia Pty. Ltd. http://www.risingsoftware.com/
Phone: +61 3 9894 4788 Fax: +61 3 9894 3362 USA: 1 888 667 7839
>.
------------------------------
Date: 26 Nov 1999 20:41:18 GMT
From: mogens9181@aol.com (Mogens9181)
Subject: Estate Sale
The following items are available from the estate of Bob Young, WA2JAN.
TS-520 Kenwood HF Transceiver $200
To be continued in digest: pr_99_287B
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