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1. [TowerTalk] Variable phasing networks? (score: 1): Author: Rob Frohne <frohro@wwc.edu>; Date: Wed, 21 Mar 2007 21:08:40 -0700; Hi All, You guys are giving me such good advice today, that I can't resist another question. I'm considering trying to phase a four element quad at 40 feet on one tower with a four element 20 meter m; /archives//html/Towertalk/2007-03/msg00446.html (7,052 bytes)
2. Re: [TowerTalk] Variable phasing networks? (score: 1): Author: "Richard (Rick) Karlquist" <richard@karlquist.com>; Date: Thu, 22 Mar 2007 05:27:13 -0800; You can replace a delay line of theta degrees with a lumped equivalent consiting of a pi network having a series inductor with a reactance of Zo sin theta and two shunt capacitors with reactance of Z; /archives//html/Towertalk/2007-03/msg00451.html (9,451 bytes)
3. Re: [TowerTalk] Variable phasing networks? (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Thu, 22 Mar 2007 06:16:53 -0700; How much power are you handling? A set of suitable DPDT relays (or coax transfer switches) and coax in a 1,2,4,8 sort of progression might work, but you'll have to deal with the fact that phase shift; /archives//html/Towertalk/2007-03/msg00452.html (8,660 bytes)

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