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[TowerTalk] Broadbanding 80 meter dipole

To: "towertalk@contesting.com" <towertalk@contesting.com>
Subject: [TowerTalk] Broadbanding 80 meter dipole
From: "Roger (K8RI) on TT" <K8RI-on-TowerTalk@tm.net>
Date: Thu, 17 Aug 2017 14:29:47 -0400
List-post: <mailto:towertalk@contesting.com>
I've seen a few possibilities in the past, but I'd like to add a dew slopers to come up with the 5 used for some directivity, gain and front to back. Switched coils at the feedpoint with frequency sensing would likely work. I've had excellent results with just a couple switched slopers on 40.

To complicate things I'd like to do this and maintain the dual band 75 / 40 meter operation, which would likely require separate feedlines. The unused line would / could end up as a stub. I could possibly use the frequency sensing to disconnect the coax for the unused band.

Thoughts?

--

73

Roger (K8RI)


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