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Re: [RFI] Common mode noise

To: rfi@contesting.com
Subject: Re: [RFI] Common mode noise
From: Pete Smith N4ZR <n4zr@contesting.com>
Date: Thu, 01 Mar 2012 06:30:12 -0500
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
In the meantime, I realized that I have a 3 amp 12v linear supply 
sitting almost unused in the shack.  That's better on a couple of counts.

73, Pete N4ZR
The World Contest Station Database, updated daily at www.conteststations.com
The Reverse Beacon Network at http://reversebeacon.net, blog at 
spots at telnet.reversebeacon.net, port 7000 and
arcluster.reversebeacon.net, port 7000

On 2/29/2012 6:12 PM, Jim Brown wrote:
> On 2/29/2012 8:58 AM, Pete Smith N4ZR wrote:
>> I just thought this might be useful info for someone else out there,
> Yes, indeed. In addition to Dale's  comments, I would reinforce the fact
> that a very high percentage of RF noise appears as a common mode signal
> on interconnecting cables, and that the addition of a good common mode
> choke that is resonant near the frequency(ies) of interest is always a
> good first step.
> 73, Jim Brown K9YC
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