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Re: [RFI] Smoke and CO alarms update

To: "RFI@Contesting.com" <RFI@Contesting.com>
Subject: Re: [RFI] Smoke and CO alarms update
From: "Jim Brown" <jim@audiosystemsgroup.com>
Date: Mon, 08 Oct 2007 10:34:42 -0700
List-post: <mailto:rfi@contesting.com>
On Mon, 8 Oct 2007 10:00:38 -0700, Rick D wrote:

>My 10 meter antenna is an ATB-34A tribander at 35' with a boom balun and a 
>coax choke at grade before it runs along the ground to the house. 

A better coax choke at the antenna feedpoint could further reduce the RF on 
the feedline, which MIGHT be part of the coupling to equipment having 
problems. See http://audiosystemsgroup.com/RFI-Ham.pdf

>I have a 
>6" wide grounding screen on the desk that all the equipment connects to an a 
>single 4' wire to an 8' ground rod (yes I know RF/AC ground difference) but 

EARTH connection is good for lightning protection, but NOT part of a solution 
to RFI problems. 

Jim K9YC

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