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1. [TowerTalk] Elements of a yagi (score: 1): Author: "Ed Sawyer" <sawyered@earthlink.net>; Date: Fri, 3 Feb 2017 06:15:31 -0500; Having owned Telrex from the 70s, F12 and M2 from the 90s, M2 and built my own currently, elements are not what they always seem. The 6 - 8 el 20M yagi discussion shows that clearly. An 8 el yagi on; /archives//html/Towertalk/2017-02/msg00038.html (7,773 bytes)
2. Re: [TowerTalk] Elements of a yagi (score: 1): Author: "john@kk9a.com" <john@kk9a.com>; Date: Fri, 3 Feb 2017 07:57:46 -0500; Assuming that you do not have too few elements and it is not very poorly designed, gain is closely related to boom length as you stated. In the early days it seemed that N6BT and WA3FET added the ext; /archives//html/Towertalk/2017-02/msg00039.html (7,561 bytes)
3. Re: [TowerTalk] Elements of a yagi (score: 1): Author: Bob K6UJ <k6uj@pacbell.net>; Date: Fri, 3 Feb 2017 14:54:26 +0000 (UTC); Timely discussion for me. I am planning on getting a 4 element 20M yagi.What do you think of the OP-DES yagi that Innovation Antennas has ? It also has a 50 ohm feed as does the OWA. They state in; /archives//html/Towertalk/2017-02/msg00041.html (9,463 bytes)
4. [TowerTalk] Elements of a yagi (score: 1): Author: "Bill Conwell" <bill@conwellpdx.com>; Date: Fri, 3 Feb 2017 09:58:24 -0800; Is it a fair assumption that dissimilar yagis (e.g., Ed's 15m Telrex and M2) can be phased (e.g., in a vertical 2-stack) by mounting the yagis so their driven elements are vertically aligned? I have; /archives//html/Towertalk/2017-02/msg00043.html (7,617 bytes)
5. Re: [TowerTalk] Elements of a yagi (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Sat, 4 Feb 2017 11:43:56 -0700; I'm pretty certain you are correct, but I question whether the effect would be significant. In any case it would be pretty easy to check with EZNEC+. Just model two stacked identical yagis and shift; /archives//html/Towertalk/2017-02/msg00084.html (8,714 bytes)
6. Re: [TowerTalk] Elements of a yagi (score: 1): Author: Guy Olinger <k2av@contesting.com>; Date: Sat, 4 Feb 2017 14:20:17 -0500; Hi Bill, Phasing center cannot be assumed with dissimilar yagis. What is usually done, is to monkey with phasing lines until a null at low angles is obtained. Then remove 180 degrees. The difficulty; /archives//html/Towertalk/2017-02/msg00086.html (9,804 bytes)

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