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Re: [TowerTalk] Feedline (choke) question

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Feedline (choke) question
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Fri, 26 Sep 2025 12:37:30 -0700
List-post: <mailto:towertalk@contesting.com>
On 9/26/2025 12:05 PM, Jack Brindle via TowerTalk wrote:
The 4” cores are slightly expensive, but available. Our friend KF7P will sell 
you one in mix 31 for $28.95.

My extensive measurements of chokes wound on these cores showed that they are useful only on 160M and 80M.

73, Jim K9YC

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