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Re: [RFI] 200 khz AC line noise

To: rfi@contesting.com
Subject: Re: [RFI] 200 khz AC line noise
From: Aaron Kreider <aaron@campusactivism.org>
Date: Mon, 10 Dec 2012 01:02:02 -0500
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
I just bought the house and it is true that the wiring is a total mess (no ground, hot and neutral reversals). We had an electrician rewire the third floor (we had knob and tube wiring in the attic), but rewiring the rest of the house would be pricy.

However I don't think this is related to my longwave antenna noise. There is power line noise is all over the neighborhood.


On 12/10/2012 12:29 AM, Jim Brown wrote:
On 12/9/2012 8:19 PM, Aaron Kreider wrote:
The noise is highest at the electric panel in my basement

I strongly suggest that you (or a smart electrician) go through all the wiring in your home to find and correct any wiring errors that exist. Homes are wired by human beings, and as a group, we make mistakes. Some are careless goofs like reversed wires, but others are things done wrong because the electrician didn't know the right way to do it. Many of these errors are unsafe, and most of them can cause or contribute to noise being carried on wiring inside the home. I found more than a half dozen errors in the home I bought here in CA, some of both types. Three were MAJOR, caused the system to be unsafe, and caused it to be VERY noisy as well.

Some very common problems are improper earth connections, extra bonding between neutral and ground, and wiring reversals at outlets.

73, Jim Brown K9YC

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