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1. [TowerTalk] iron pipe "lightning chokes" (score: 1): Author: "Jim Jarvis" <jimjarvis@comcast.net>; Date: Wed, 2 Feb 2005 22:26:42 -0500; In response to the discussion about routing cables through iron pipe... k9yc wrote: .I am QUITE certain that any smart engineer would specify that the .ground conductor be bonded to ferrous conduit a; /archives//html/Towertalk/2005-02/msg00083.html (7,983 bytes)
2. Re: [TowerTalk] iron pipe "lightning chokes" (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Thu, 03 Feb 2005 00:23:55 -0600; The literature disagrees with you. So does NEC. See the IEEE Emerald Book and Green Book. Also see Ott. The conduit DOES greatly increase the inductance of a wire within it that is NOT connected to t; /archives//html/Towertalk/2005-02/msg00088.html (7,660 bytes)
3. Re: [TowerTalk] iron pipe "lightning chokes" (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Thu, 3 Feb 2005 06:49:28 -0500; that the end. Why? significantly through it. I doubt it. Eddy currents would prevent much from happening due to the fact it was ferrous. There is a transformer effect that would be the same mechanis; /archives//html/Towertalk/2005-02/msg00091.html (9,306 bytes)
4. Re: [TowerTalk] iron pipe "lightning chokes" (score: 1): Author: GALE STEWARD <k3nd@yahoo.com>; Date: Thu, 3 Feb 2005 05:31:36 -0800 (PST); I recall seeing this iron pipe "choke" written about in an article in HR (?) years ago. As I recall, the author explained it as "adding a shorted turn" around the feedline. I'm not sure how that woul; /archives//html/Towertalk/2005-02/msg00094.html (10,511 bytes)
5. Re: [TowerTalk] iron pipe "lightning chokes" (score: 1): Author: "Jim Lux" <jimlux@earthlink.net>; Date: Thu, 3 Feb 2005 05:44:57 -0800; Sort of bringing us back full circle... how does one calculate the inductance (and loss.. since that's pretty signficant). Lightning impulses are pretty broadband, and I suspect that the L and R are; /archives//html/Towertalk/2005-02/msg00095.html (9,617 bytes)
6. Re: [TowerTalk] iron pipe "lightning chokes" (score: 1): Author: "Gene Smar" <ersmar@comcast.net>; Date: Thu, 3 Feb 2005 12:18:33 -0500; TT: current This phenomenon illustrates Lenz's Law: http://www.launc.tased.edu.au/online/sciences/physics/Lenz%27s.html . FWIW. 73 de Gene Smar AD3F Weather Stations", and lot's more. Call Toll Free,; /archives//html/Towertalk/2005-02/msg00101.html (10,031 bytes)

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