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Topband: Identifying Unknown Ferrites

To: topband@contesting.com
Subject: Topband: Identifying Unknown Ferrites
From: "Bob Selbrede, K6ZZ" <k6zz@ccis.com>
Reply-to: k6zz@ccis.com
Date: Tue, 04 Dec 2007 21:25:54 -0800
List-post: <mailto:topband@contesting.com>
Folks,

Is there a relatively simple way to measure or otherwise
identify the mix of unmarked toroids?  I have a handful of
unmarked toroids that I believe are Amidon FT-50-43 cores
but I can't say for sure.  I bought them from Amidon years
ago to make Beverage transformers but didn't keep the sales
slip with the devices!  They may not be 43 mix.

73, Bob K6ZZ

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