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Re: [RFI] Link-coupled loop - more

To: Larry Benko <xxw0qe@comcast.net>
Subject: Re: [RFI] Link-coupled loop - more
From: Hisashi T Fujinaka <htodd@twofifty.com>
Date: Thu, 3 Apr 2014 08:12:55 -0700 (PDT)
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
On Wed, 2 Apr 2014, Larry Benko wrote:

...

I have done probably a thousand transmitter hunts mostly on 80m and 2m with a few on 10m and 70cm. I have competed in competitive ARDF hunts on 80m and 2m and I have also done many searches for RFI. I have tried coupling RF into power lines by coupling into the AC wiring in a house. In every case (with overhead power lines) I was easily able to find the source without the outside power lines becoming a radiator that masked the house where the source was actually located. I attributed this to the massive capacitance in the transformer feeding the house and the fact that the transformer case is always grounded. Have you seen something different?

...

Power line noise seems to couple into the power lines, at least the two
cases I've looked into in my neighborhood. The arcing isn't a nice,
clean 80m/2m signal but broadband noise that couples quite nicely.

I think we were talking about power line noise and not ARDF hunts.

--
Hisashi T Fujinaka - htodd@twofifty.com
BSEE(6/86) + BSChem(3/95) + BAEnglish(8/95) + MSCS(8/03) + $2.50 = latte
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