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Re: [RFI] How much RF does your power company deliver along with the AC?

To: Jim Brown <jim@audiosystemsgroup.com>
Subject: Re: [RFI] How much RF does your power company deliver along with the AC?
From: kd4e <doc@kd4e.com>
Reply-to: doc@kd4e.com
Date: Fri, 21 Aug 2009 15:08:46 -0500
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
The best solution in these cases has appeared to be
*and* rather than *or*.

Filtering the incoming AC should help, directional
antennas can help, a nulling system can help, digital
filtering can help, tracing and eliminating specific
sources can help.

OR, moving to the middle of 100 acres in Montana and
living completely off-grid ...

>> With power back, even with everything but a couple lights (filament, not 
>> fl), strong RF on the AC lines, and s5 - s7 on the dipole.
> 
>> Starting to think the best option would be a good filter between the 
>> disconnect and sub-panel
> 
> 
> Unfortunately, there is no magic bullet you can apply at your QTH. That 
> noise still must be eliminated at the source. The most you can do is use 
> antenna directivity (and common mode chokes) to minimize what you hear of 
> it. 
> 
> 73, Jim Brown K9YC

-- 

Thanks! & 73, doc, KD4E
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