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1. [TowerTalk] Vertical and radials (score: 1): Author: "John Langdon" <jlangdon1@austin.rr.com>; Date: Sat, 22 Jan 2022 05:58:45 -0600; The other thing that K5IU was clear about is that the ground under the antenna is the dominant factor in performance regardless of the radials you use. If you have really low conductivity soil under; /archives//html/Towertalk/2022-01/msg00091.html (7,755 bytes)
2. Re: [TowerTalk] Vertical and radials (score: 1): Author: Robert Harmon <k6uj@pacbell.net>; Date: Sat, 22 Jan 2022 09:21:49 -0800; I love your perfect QTH description. A hill of salt water, sloping gently in all directions. hihihi I am having trouble finding ground conductivity fro my area in the north San Francisco Bay Area. Na; /archives//html/Towertalk/2022-01/msg00092.html (10,071 bytes)
3. Re: [TowerTalk] Vertical and radials (score: 1): Author: Robert Harmon <k6uj@pacbell.net>; Date: Sat, 22 Jan 2022 09:39:38 -0800; Thanks Dave, I will look into it. Bob K6UJ _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists; /archives//html/Towertalk/2022-01/msg00093.html (12,703 bytes)
4. Re: [TowerTalk] Vertical and radials (score: 1): Author: "Lux, Jim" <jim@luxfamily.com>; Date: Sat, 22 Jan 2022 09:45:43 -0800; On 1/22/22 9:21 AM, Robert Harmon wrote: I love your perfect QTH description. A hill of salt water, sloping gently in all directions. hihihi Calistoga has hot water under pressure, and I'll bet it's; /archives//html/Towertalk/2022-01/msg00094.html (9,910 bytes)
5. Re: [TowerTalk] Vertical and radials (score: 1): Author: John Simmons <jasimmons@pinewooddata.com>; Date: Sat, 22 Jan 2022 11:45:59 -0600; If you have (or can borrow) one of the new nanovnas you can measure your own soil conductivity: https://duckduckgo.com/?t=ffab&q=measure+soil+conductivity+with+vna&atb=v98-1&ia=web -- 73, -de John "C; /archives//html/Towertalk/2022-01/msg00095.html (12,569 bytes)
6. Re: [TowerTalk] Vertical and radials (score: 1): Author: "Salvatore [\"Ted\"] K2QMF" <k2qmf@juno.com>; Date: Sat, 22 Jan 2022 12:57:35 -0500; Also, you better find out what the proper sloping angle is for optimum signal strength!! Sigma and e' and e" and all that stuff. Calistoga has hot water under pressure, and I'll bet it's got plenty o; /archives//html/Towertalk/2022-01/msg00096.html (11,666 bytes)
7. Re: [TowerTalk] Vertical and radials (score: 1): Author: Robert Harmon <k6uj@pacbell.net>; Date: Sat, 22 Jan 2022 10:27:52 -0800; Thanks Jim Bob K6UJ _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http://lists.contesting.com/mailman; /archives//html/Towertalk/2022-01/msg00097.html (10,820 bytes)
8. Re: [TowerTalk] Vertical and radials (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Sat, 22 Jan 2022 10:50:23 -0800; Ground conductivity affects vertically polarized propagation in two ways. First, loss very close to the antenna. THAT loss is minimized by a good radial system. Second is loss in the Far Field where; /archives//html/Towertalk/2022-01/msg00098.html (8,919 bytes)
9. Re: [TowerTalk] Vertical and radials (score: 1): Author: "Steve Jones" <n6sj@earthlink.net>; Date: Sat, 22 Jan 2022 16:09:15 -0800; Bob, The map legend says those numbers are in "millimhos per meter". I couldn't see one greater than 30 in the US. It says seawater is assumed to be 5,000 millimhos per meter, quite a difference! 73,; /archives//html/Towertalk/2022-01/msg00103.html (11,390 bytes)

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