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Re: [TowerTalk] Cob Web Antenna

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Cob Web Antenna
From: Martin Sole <hs0zed@gmail.com>
Date: Mon, 30 Oct 2017 09:29:33 +0300
List-post: <mailto:towertalk@contesting.com>
I think the Cobweb(b) antenna is an excellent antenna for limited space with usefulness as a second antenna for those with a bit more space. I've seen a lot of discussion about its use in the horizontal plane from 20m-6m. I have a couple of questions that might have simple answers.

What happens when such an antenna is mounted vertically?

Assuming vertical mounting is not massively detrimental, what happens when a second passive element of similar shape is added at a distance, ala 2 element yagi/quad?

Most of the Cobweb style antennas I have seen stop at 20m yet they would seem an ideal way to get reasonable size antennas on 30/40m, I don't consider a full size 20m quad loop overly big. What's the catch?

Martin, HS0ZED




On 29/10/2017 10:13, Dan Maguire wrote:
KK0SD wrote:
Has anyone actually modeled a Cob Web antenna?
More than you can shake a stick at.  See

http://ac6la.com/aecollection9.html

Dan, AC6LA
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