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Re: Topband: RG-179 Coax

To: topband@contesting.com
Subject: Re: Topband: RG-179 Coax
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Fri, 14 Feb 2020 11:02:12 -0800
List-post: <mailto:topband@contesting.com>
On 2/14/2020 9:11 AM, Fred Moeves wrote:
I put 75 resistor and 50 ohm dummy load  on each choke and scanned it with the Rig Expert 230 zoom and it seems fine.

Common mode chokes do not affect SWR, and measuring SWR tells nothing about their effectiveness. See http://k9yc.com/2018Cookbook.pdf

73, Jim K9YC

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