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Re: [TowerTalk] Balun dimensions

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Balun dimensions
From: Jim W7RY <jimw7ry@gmail.com>
Date: Wed, 25 Jun 2025 17:06:47 -0500
List-post: <mailto:towertalk@contesting.com>
How much power are you going to run?

Jim W7RY


On 6/25/2025 12:40 PM, John Geiger via TowerTalk wrote:
The balun I was using on my TGM Communications MQ-26 miniquad died a couple of 
months ago. I came up with the idea today of making one myself since I have 
some extra RG58 I salvaged from a mobile antenna mount. I plan on running some 
turns of it on a FT240-31 ring torrid. Maybe 2 rings, one on top of the other. 
I need it to cover 14-50mhz. Any good idea as to how many turns through the 
ring I need?

I have found some plans using a FT140-43 torrid but that looks pretty small to 
work with.

73 John AF5CC

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