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[na-user] Re: [CQ-Contest] so2r switch box

To: <na-user@contesting.com>
Subject: [na-user] Re: [CQ-Contest] so2r switch box
From: Glenn Rattmann <k6na@cts.com> (Glenn Rattmann)
Date: Wed, 09 Aug 2000 14:17:52 -0700
At 10:26 AM 08/09/2000 -0400, you wrote:

>This is actually a huge consideration. My homebrew system has tx audio and
rx 
>audio in two separate boxes, switching mic, ground and PTT between radios. 
>It's the only way to keep from having ground loop and RF feedback problems. 
>I'm using two 'MP's.

All the big Kenwoods since the 930 use separate level grounds for
audio/return, and ptt/return.  Don't mix them at chassis level.  You may
use chassis ground for the ptt return I think.

Glenn K6NA

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