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Re: [RFI] DigiKeyer II

Subject: Re: [RFI] DigiKeyer II
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Thu, 19 Dec 2013 08:34:56 -0800
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
On 12/18/2013 8:18 PM, Peter Laws wrote:
As noted previously radio, PS, interface, PC are all tied to a  ground
rod outside the window of the radio room.

Go back and CAREFULLY read what I wrote about bonding everything together by SHORT, FAT COPPER. That means a foot or two of #12 run DIRECTLY from the computer to the radio, another from the computer to the DigiKeyer, another from the DigiKeyer to the radio.

A connection to EARTH is NOT part of a solution to RFI, nor to hum and buzz. A connection to earth is important, but ONLY for lightning protection.

73, Jim K9YC
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