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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Rising\s+Input\s+Z\s+with\s+more\s+radials\?\s*$/: 5 ]

Total 5 documents matching your query.

1. [TowerTalk] Rising Input Z with more radials? (score: 1): Author: "hasan schiers" <schiers@netins.net>; Date: Sat, 3 Sep 2005 10:35:01 -0500; Hi Tom. Your radial/ground loss measurements were repeatedly referenced in John Devoldere's book, so I thought I would point a question your way (and the way of any other TowerTalkians who might wish; /archives//html/Towertalk/2005-09/msg00084.html (10,943 bytes)
2. Re: [TowerTalk] Rising Input Z with more radials? (score: 1): Author: K4SAV <RadioIR@charter.net>; Date: Sat, 03 Sep 2005 13:49:58 -0500; One significant point about your inverted L antenna: Your tower is going to have a major effect on your antenna. I have not modeled your tower and antenna configuration, but from similar models, I wo; /archives//html/Towertalk/2005-09/msg00089.html (14,094 bytes)
3. Re: [TowerTalk] Rising Input Z with more radials? (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Sat, 3 Sep 2005 16:48:16 -0400; lower than 4) increased radial does indicate You are measuring through a 1/4 wl transmission line transformer, the 55 foot LMR feedline. As input impedance at the antenna becomes less, impedance at; /archives//html/Towertalk/2005-09/msg00098.html (10,209 bytes)
4. Re: [TowerTalk] Rising Input Z with more radials? (score: 1): Author: "hasan schiers" <schiers@netins.net>; Date: Sat, 3 Sep 2005 18:07:51 -0500; Tom, you were correct about the rising Z. Thanks so much. I found out why the input Z was going up as I put more radials in...I was measuring at the end of 55' of LMR-400 (as opposed to the measureme; /archives//html/Towertalk/2005-09/msg00103.html (13,464 bytes)
5. Re: [TowerTalk] Rising Input Z with more radials? (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Sat, 3 Sep 2005 21:06:51 -0400; ohms feed impedance loss, for an another 8 radials. While you can watch for a change and that is good, regretfully we cannot calculate or estimate efficiency of most real-world antennas using that m; /archives//html/Towertalk/2005-09/msg00116.html (10,444 bytes)

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