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Re: [RFI] Help with Powerline Interference

To: W9RPM <john@w9rpm.com>
Subject: Re: [RFI] Help with Powerline Interference
From: kd4e <doc@kd4e.com>
Reply-to: doc@kd4e.com
Date: Mon, 05 Nov 2007 16:39:17 -0500
List-post: <mailto:rfi@contesting.com>
Is it possible that there is a resonant section they
could break up or bypass along the vertical run to the

Just a wild guess ... :-)

> Hi, I am looking for some guidance with the Powerline Interference I have 
> been getting at my location. My Power company has  replaced Insulators at 
> points where they have detected noise, and are doing some tree trimming on 
> the distribution lines.
> Currently, the problem is the worst to the Northeast of me. It is sometimes 
> S9+ here. I runs from about S7-S9 from about direct North thru East. It is 
> the worst on 17 Meters, and does drop off above 6 Meters.
> When I rotate my beams to the Southeast, it drops off to about S5 on 17 
> Meters, and completely on 6 Meters.
> I have Transmission Lines in the direction that it is the worst that run up 
> and along a Bluff. These are about 3/4 of a mile from me. They run from on 
> the top of the Bluff down and north to a Sub Station. I am pretty sure that 
> they are the main source of the Interference.
> Today the Interference is real bad, and the weather is cloudy, but very 
> Windy. Was less yesterday with it fairly calm and sunny.
> I am looking for any help that anyone can provide for me to give the Power 
> Company as to what to look for with this.
> Sorry to be so long, but am trying to get something figured out before 
> winter when they cant do much up on the bluff.
> Thanks and 73 John W9RPM


Thanks! & 73, doc, KD4E
Personal: http://bibleseven.com/kd4e.html
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