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Total 40 documents matching your query.

21. Re: [TowerTalk] Lighting (score: 1): Author: jeff millar <wa1hco@adelphia.net>; Date: Tue, 06 Jul 2004 23:59:00 -0400; While visiting Chuck, WA1EKV and looking at his 100 Ft tower on a hill with a comb of sharp points on top and 3 large ground leads at the bottom, he told me that he once heard hissing from the top of; /archives//html/Towertalk/2004-07/msg00231.html (11,808 bytes)
22. Re: [TowerTalk] Lighting (score: 1): Author: jeff millar <wa1hco@adelphia.net>; Date: Wed, 07 Jul 2004 00:05:49 -0400; Just a follow up point. If the cloud and the comb of points at the top is able to source 300 Amps via something like corona, it _might_ need the support of a low impedance to ground in the ground sys; /archives//html/Towertalk/2004-07/msg00232.html (12,958 bytes)
23. Re: [TowerTalk] Lighting (score: 1): Author: "Tower (K8RI)" <tower@rogerhalstead.com>; Date: Wed, 7 Jul 2004 02:38:50 -0400; 50 neared The strikes may decrease, but I doubt it's due to the grounded towers. Strikes ocurr due to a potential difference between the cloud (source) and ground. As a storm moves localized and mov; /archives//html/Towertalk/2004-07/msg00235.html (13,167 bytes)
24. RE: [TowerTalk] Lighting (score: 1): Author: "tom.dixon" <tom.dixon@xtra.co.nz>; Date: Wed, 7 Jul 2004 21:41:52 +1200; With this debate that is now going....and one I appreciate as I am about to erect my tower and will be looking for clues/cures to this problem. I read and understand now the point about not UNDOING t; /archives//html/Towertalk/2004-07/msg00237.html (9,719 bytes)
25. Re: [TowerTalk] Lighting (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Wed, 7 Jul 2004 05:45:05 -0400; Hi Jerry, I really do understand where you are coming from. I'm just trying to understand why it would be a popular statement among Hams. <<<Your example describes the cloud as already over the tower; /archives//html/Towertalk/2004-07/msg00238.html (14,483 bytes)
26. Re: [TowerTalk] Lighting (score: 1): Author: Bill Aycock <baycock@direcway.com>; Date: Wed, 07 Jul 2004 07:01:50 -0500; Funny how some simple things are forgotten. I have two "grounding straps" that came with solid state components. The instructions told me to wrap the velcro band around my wrist, with the metal plate; /archives//html/Towertalk/2004-07/msg00240.html (14,892 bytes)
27. RE: [TowerTalk] Lighting (score: 1): Author: "Keith Dutson" <kjdutson@earthlink.net>; Date: Wed, 7 Jul 2004 07:49:55 -0500; Thanks for the detail. That makes sense. I made a similar observation on my tower but not with a meter. The hair on my head stood up! :) I believe charge transfers such as this have been well documen; /archives//html/Towertalk/2004-07/msg00241.html (12,419 bytes)
28. Re: [TowerTalk] Lighting (score: 1): Author: "Jim Lux" <jimlux@earthlink.net>; Date: Wed, 7 Jul 2004 06:53:51 -0700; the component Because you, the strap, and the surface of the bench form a direct connection between you and the workpiece, so there can be no voltage differential between the two. Lightning and thund; /archives//html/Towertalk/2004-07/msg00243.html (10,254 bytes)
29. Re: [TowerTalk] Lighting (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Wed, 7 Jul 2004 10:07:00 -0400; tower on a hill with the bottom, he tower during a time ground lines with sustained 300 Amps I've measured current in my insulated base 318 foot tower several times when it has been hissing, and the; /archives//html/Towertalk/2004-07/msg00246.html (10,531 bytes)
30. Re: [TowerTalk] Lighting (score: 1): Author: Bill Aycock <baycock@direcway.com>; Date: Wed, 07 Jul 2004 09:30:42 -0500; Kelly and JimI'm surprised at the counter-arguments, apparently without seeing the parallels. If I work on the stuff without a strap, I can build a charge difference by my natural motion in the air o; /archives//html/Towertalk/2004-07/msg00248.html (11,076 bytes)
31. RE: [TowerTalk] Lighting (score: 1): Author: "Keith Dutson" <kjdutson@earthlink.net>; Date: Wed, 7 Jul 2004 10:21:28 -0500; I would make the earth connection when not using the switch. The Ameritron 5 pole switch that I use has an option to ground each pole when not energized. All you do is solder a jumper for each relay.; /archives//html/Towertalk/2004-07/msg00252.html (10,858 bytes)
32. Re: [TowerTalk] Lighting (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Wed, 07 Jul 2004 08:50:30 -0700; tower on a hill with the bottom, he tower during a time ground lines with sustained 300 Amps I've measured current in my insulated base 318 foot tower several times when it has been hissing, and the; /archives//html/Towertalk/2004-07/msg00259.html (13,615 bytes)
33. Re: [TowerTalk] Lighting (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Wed, 7 Jul 2004 12:55:21 -0400; seeing the charge difference by discharge through the Bill, Let me re-phrase what Jim said. Potential difference (voltage) occurs because charges are not uniformly or evenly distributed. Charges hav; /archives//html/Towertalk/2004-07/msg00269.html (13,450 bytes)
34. Re: [TowerTalk] Lighting (score: 1): Author: "Jerry Keller" <k3bz@arrl.net>; Date: Wed, 7 Jul 2004 16:37:10 -0400; I don't see a significant difference except the obvious one of scale. Excess electrons will travel to where there is a home for them, one way or another... a (relative) few at a time, as they accrue.; /archives//html/Towertalk/2004-07/msg00282.html (16,140 bytes)
35. RE: [TowerTalk] Lighting (score: 1): Author: "David Robbins K1TTT" <k1ttt@arrl.net>; Date: Wed, 7 Jul 2004 20:57:11 -0000; Unfortunately the physics of arcs across large gaps is much different than that of sparks across small gaps. The small gap between your finger and the doorknob breaks down in a single avalanche once; /archives//html/Towertalk/2004-07/msg00284.html (20,970 bytes)
36. RE: [TowerTalk] Lighting (score: 1): Author: "Ken Kinyon" <w7ts@comcast.net>; Date: Wed, 7 Jul 2004 15:37:17 -0600; Hi, Does anyone have a EZNEC file for a 40-2CD that they would be willing to share? Regards, Ken W7TS _______________________________________________ See: http://www.mscomputer.com for "Self Supporti; /archives//html/Towertalk/2004-07/msg00286.html (8,926 bytes)
37. [TowerTalk] Lighting (score: 1): Author: Martin Staffa <geitaemort@sbcglobal.net>; Date: Sat, 28 Feb 2009 09:19:15 -0800 (PST); Techs from Poly Phaser said at the base of tower, _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.com http:; /archives//html/Towertalk/2009-02/msg00665.html (6,510 bytes)
38. Re: [TowerTalk] Lighting (score: 1): Author: jimlux <jimlux@earthlink.net>; Date: Sat, 28 Feb 2009 13:52:49 -0800; Did they? With no recommendation for further protection at the entrance point to the building? Possibly, was the feedline underground all the way from tower to equipment? Jim ________________________; /archives//html/Towertalk/2009-02/msg00688.html (6,936 bytes)
39. Re: [TowerTalk] Lighting (score: 1): Author: "Roger (K8RI)" <K8RI-on-TowerTalk@tm.net>; Date: Sat, 28 Feb 2009 19:57:24 -0500; That goes against basically what our code says and standard grounding practices. Ground the shield at the base of the tower, put the Polyphaser at the house entrance. They also say you don't need to; /archives//html/Towertalk/2009-02/msg00697.html (7,786 bytes)
40. [TowerTalk] Lighting (score: 1): Author: Martin Staffa <geitaemort@sbcglobal.net>; Date: Sat, 28 Feb 2009 17:04:39 -0800 (PST); When I spoke to poly phaser the engineer said the base of the tower , maybe he misunderstood me. All my coax is buried in pipe to the house were it is fed in to the house, if it is not correct I w; /archives//html/Towertalk/2009-02/msg00698.html (7,384 bytes)

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