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Re: [TowerTalk] New tool - toroidal ferrite core inductor calculator

To: Dan Maguire <danac6la@gmail.com>, reflector Towertalk <towertalk@contesting.com>
Subject: Re: [TowerTalk] New tool - toroidal ferrite core inductor calculator
From: David Hachadorian <k6ll.dave@gmail.com>
Date: Mon, 12 Jul 2021 13:34:02 -0700
List-post: <mailto:towertalk@contesting.com>
It's quite interesting working with the choke calculator, but I notice that the Rs values differ significantly from K9YC's Choke Cookbook.  For example, with a Fair-Rite 2.4" #31 toroid, on 28.4 MHz, the calculator predicts that 10 turns of RG-400 has Rs=0.8K, and the cookbook shows 4.4K.

Maybe I'm doing something wrong.

Dave Hachadorian, K6LL
Big Bear Lake, CA


On 7/10/2021 3:56 PM, Dan Maguire wrote:
Version 2.0 of the Toroidal Ferrite Core Inductor calculator is now
available.  Details with illustrations and a link to download are
available here:

https://forums.qrz.com/index.php?threads/new-tool-toroidal-ferrite-core-inductor-calculator.768222/page-7#post-5907206

Dan, AC6LA
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Dave Hachadorian, K6LL
Yuma, AZ

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