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Re: Topband: 160 GP Choke

To: topband@contesting.com
Subject: Re: Topband: 160 GP Choke
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Mon, 29 Sep 2014 11:56:22 -0700
List-post: <topband@contesting.com">mailto:topband@contesting.com>
On Mon,9/29/2014 10:43 AM, wb6rse1@mac.com wrote:
Bill -  An effective common-mode choke can be made with 17 turns of RG58-coax 
wound on to an Amidon FT240-31 core.

It's not an Amidon core, it's a Fair-Rite core. It's a LOT cheaper when you buy from a Fair-Rite distributor. See Appendix One of k9yc.com/RFI-Ham.pdf

73, Jim K9YC

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