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1. [TowerTalk] Element Mounting Plates (score: 1): Author: "Mike Harris" <mike.harris@horizon.co.fk>; Date: Sat, 3 Sep 2005 19:01:26 -0400; G'day all, I'm wondering how the "effective diameter" of element to boom mounting plates is calculated. In the ARRL Antenna Book the mounting plate for the 20 metre Yagi elements is 0.375 inch thick,; /archives//html/Towertalk/2005-09/msg00105.html (8,484 bytes)
2. Re: [TowerTalk] Element Mounting Plates (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Sat, 03 Sep 2005 16:53:40 -0700; Empirically.. that is, someone goes out and fiddles with a model of the antenna using round elements until its behavior matches that of the actual beast with the flat rectangular plate. Likewise, one; /archives//html/Towertalk/2005-09/msg00110.html (10,285 bytes)
3. Re: [TowerTalk] Element Mounting Plates (score: 1): Author: "Michael Tope" <W4EF@dellroy.com>; Date: Sat, 3 Sep 2005 21:02:39 -0700; There is considerable material (with references) on this subject in Dave Leeson's book "Physical Design of Yagi Antennas". Chapter 8 deals with element taper equivalent cylinderical diameter calculat; /archives//html/Towertalk/2005-09/msg00117.html (8,793 bytes)

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