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Re: [TowerTalk] RG179 Chokes For TX 4-Squares

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] RG179 Chokes For TX 4-Squares
From: <john@kk9a.com>
Date: Tue, 19 Feb 2019 20:18:59 -0500
List-post: <mailto:towertalk@contesting.com>
This is great 75 ohm choke information that I have never read elsewhere.
Excellent work Jim!

John KK9A


Jim Brown jim at audiosystemsgroup.com 


On 2/19/2019 12:16 PM, N2TK, Tony wrote:
> For an 80M 4-sq how much loss difference is there between RG179 and RG302
> per choke? I wouldn't think you could tell the difference, correct? I
> already have the RG-179.

About 0.05 dB. It only matters for differential mode dissipation -- the 
RG179 choke MUST be exposed to air, while the RG302 choke could be in a 
closed box.

73, Jim K9YC

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