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Re: [TowerTalk] Feedline (choke) question

To: towertalk reflector <towertalk@contesting.com>
Subject: Re: [TowerTalk] Feedline (choke) question
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Sun, 28 Sep 2025 00:26:23 -0700
List-post: <mailto:towertalk@contesting.com>
On 9/27/2025 11:50 PM, Brian Beezley wrote:
Dave, common-mode current in coax shield is no different than current in a dipole

Exactly right. And the same is true of common mode current on a 2-wire line. I intentionally do not call it "balanced" line -- balance is defined by the entire system, which includes the antenna, it's relationship to its surroundings, and how its terminated in the shack. On the line, the imbalance shows up as a difference between current in the two conductors.

73, Jim K9YC


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