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1. Re: [TowerTalk] Topband: Antenna Modeling needed 160 vertical (score: 1): Author: DAVID CUTHBERT <telegrapher9@gmail.com>; Date: Sat, 29 Aug 2009 18:04:57 -0600; Ed, here are some dimensions derived using EZNEC: Height 90', 4" diameter four #14 top hat wires 20' Base coil 5 uH (make coil 10 uH and tap it) Radiation resistance 22 ohms This article by K3LC will; /archives//html/Topband/2009-08/msg00104.html (9,240 bytes)
2. Re: [TowerTalk] Topband: Antenna Modeling needed 160 vertical (score: 1): Author: DAVID CUTHBERT <telegrapher9@gmail.com>; Date: Sun, 30 Aug 2009 10:33:05 -0600; Ed, Let's compare the 90' top loaded vertical against a 90 foot vertical without top loading wires. Mechanically it might be nice to not have the top loading wires. In that case the radiation resista; /archives//html/Topband/2009-08/msg00107.html (11,851 bytes)

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