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Re: [RFI] High local noise level...

To: rfi@contesting.com
Subject: Re: [RFI] High local noise level...
From: "Kenneth G. Gordon" <kgordon2006@frontier.com>
Reply-to: Ken Gordon <kgordon2006@frontier.com>
Date: Sun, 15 Mar 2015 00:50:25 -0000
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
On 14 Mar 2015 at 16:41, Jim Brown wrote:

> On Sat,3/14/2015 3:19 PM, Kenneth G. Gordon wrote:
> > Today, I connected the audio output of my transceiver, a Yaesu FT-890,
> > set to AM-wide, tuned to 3580 KHz, into my computer and fired up
> > Spectran.
> >
> > Spectran is exhibiting a very wide-band series of peaks in the noise
> > which appear to be multiples of 60 Hz.
> You are seeing harmonics of the AC power line. This is an indication of 
> improper bonding of your equipment.

If this is so (and I am NOT arguing with you about the need for better 
bonding) why is it that my noise disappears when I disconnect the 

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