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Re: [TowerTalk] Why isn't end to end the best method for least interfere

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Why isn't end to end the best method for least interference between two 20 m dipoles?
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Tue, 27 Mar 2018 18:20:30 -0700
List-post: <mailto:towertalk@contesting.com>
On 3/26/2018 10:16 PM, Jim Brown wrote:
We've run two stations simultaneously on 20, 15, and 10 using tri-banders that were approximately con-linear with about 200 ft spacing.

Other things that helps reduce crosstalk between stations are 1) a serious ferrite choke at the feedpoint of each antenna; 2) good quality coax with very good quality shield, good quality connectors, well installed. We run good quality RG8/213/11, not for power handling, but for improved shielding and lower loss. This extends throughout the station, all the way through switches to the rigs and power amps. And every connector wrench tight.

73, Jim K9YC

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