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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Shunt\-Fed\s+Tower\s+Electrical\s+Length\s*$/: 4 ]

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1. [TowerTalk] Shunt-Fed Tower Electrical Length (score: 1): Author: John Cowan <w0tmm@yahoo.com>; Date: Mon, 18 Sep 2006 04:11:02 -0700 (PDT); Now that I have the resonant frequency of 2.278 MHz for my 68' tower. What should the design frequency be for 160 Meters? I have plugged 1.8 and 1.9 MHz into the formula for computing electrical leng; /archives//html/Towertalk/2006-09/msg00629.html (6,827 bytes)
2. Re: [TowerTalk] Shunt-Fed Tower Electrical Length (score: 1): Author: "Dan Zimmerman N3OX" <n3ox@n3ox.net>; Date: Mon, 18 Sep 2006 10:45:35 -0400; I don't know much about shunt feeding towers, but more top loading is an efficient way to go. Sounds like you wouldn't need a whole ton of it to get down to resonance on 160, but I guess you already; /archives//html/Towertalk/2006-09/msg00636.html (7,609 bytes)
3. Re: [TowerTalk] Shunt-Fed Tower Electrical Length (score: 1): Author: TexasRF@aol.com; Date: Mon, 18 Sep 2006 11:13:46 EDT; Just thinking about this question says one of three answers might work here: network for each frequency of interest. The usual shunt feed matching network will likely provide much of the matching cap; /archives//html/Towertalk/2006-09/msg00638.html (8,496 bytes)
4. Re: [TowerTalk] Shunt-Fed Tower Electrical Length (score: 1): Author: "Dan Hearn" <dhearn@air-pipe.com>; Date: Mon, 18 Sep 2006 08:14:36 -0700; John, it is not necessary for the tower to be resonant to make an efficient radiator. Probably 99% of all ham tower verticals are not. You can get a 50 ohm match with an omega match at the base. You; /archives//html/Towertalk/2006-09/msg00639.html (8,927 bytes)

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