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Total 9 documents matching your query.

1. [TowerTalk] RF Ground (score: 1): Author: george.shaw@ukf.net (George Shaw); Date: Wed, 5 Dec 2001 16:31:03 -0000; Folks I have a question, and judging by the pass you all are so expert and helpful I have no doubt you will be able to answer with authority. I am going to mount a short 8' high tower on the roof (co; /archives//html/Towertalk/2001-12/msg00091.html (8,721 bytes)
2. [TowerTalk] RF Ground (score: 1): Author: k4to@meginc.com (Dave Sublette); Date: Wed, 05 Dec 2001 11:46:58 -0500; In my opinion it is not worth the trouble. Also...no need for 1/2" radials, even if they are free. Save the tubing and find another use for it. #24 hook up wire would be just fine for radials. The mo; /archives//html/Towertalk/2001-12/msg00092.html (10,262 bytes)
3. [TowerTalk] RF Ground (score: 1): Author: n4kg@juno.com (n4kg@juno.com); Date: Wed, 5 Dec 2001 12:39:29 -0600; George, Yes, 1/4 WL verticals absolutely need radials. Elevated (Vertical) Ground Plane antennas work best with resonant 1/4 wavelength (WL) radials. Verticals on the ground work best with 30 or more; /archives//html/Towertalk/2001-12/msg00097.html (8,212 bytes)
4. [TowerTalk] RF Ground (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Wed, 5 Dec 2001 16:49:42 -0500; Hi George, I think "Ask the Doctor", in QST, gave an incorrect answer to the very same question you are asking. I *think* they said if you flattened the conductor, the resistance would decrease, but; /archives//html/Towertalk/2001-12/msg00106.html (8,847 bytes)
5. [TowerTalk] RF Ground (score: 1): Author: vr2bg@harts.org.hk (VR2BrettGraham); Date: Thu, 06 Dec 2001 07:53:52 +0000; A 2.4m roof tower will be too short for your final antenna, unless you are thinking of 50 or 70 Mc. Even at more than twice that height, I find too much interaction with the roof at 14 Mc with a trib; /archives//html/Towertalk/2001-12/msg00121.html (8,922 bytes)
6. [TowerTalk] RF Ground (score: 1): Author: n4kg@juno.com (n4kg@juno.com); Date: Thu, 6 Dec 2001 06:50:03 -0600; I expect there is considerable difference between concrete and structural steel roofs and conventional wooden / shingle home roofs. Unfortunately, George did not specify which type he had. Tom N4KG _; /archives//html/Towertalk/2001-12/msg00124.html (10,665 bytes)
7. [TowerTalk] RF Ground (score: 1): Author: george.shaw@ukf.net (George Shaw); Date: Thu, 6 Dec 2001 15:54:17 -0000; The roof in question is I believe concrete with metal reinforcement covered in some sort of membrane. The stub tower was to mount a compact beam (a http://www3.sympatico.ca/tgmc/ MQ4 and before every; /archives//html/Towertalk/2001-12/msg00128.html (12,645 bytes)
8. [TowerTalk] rf ground (score: 1): Author: kenxxx@worldnet.att.net (Kenneth Sobel); Date: Thu, 6 Aug 1998 18:28:34 -0400; This is a multi-part message in MIME format. --=_NextPart_000_000E_01BDC168.0524CFA0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I am going to install a; /archives//html/Towertalk/1998-08/msg00146.html (8,994 bytes)
9. [TowerTalk] rf ground (score: 1): Author: K7LXC@aol.com (K7LXC@aol.com); Date: Thu, 6 Aug 1998 18:45:03 EDT; << I am going to install a ground rod just outside my shack for an rf ground. >> Isn't an RF ground something like an isotropic antenna - useful in theory but difficult to achieve in real life? I thi; /archives//html/Towertalk/1998-08/msg00147.html (7,202 bytes)

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