- 1. [TowerTalk] lighting (score: 1)
- Author: billn@peak.org (Bill Nelson)
- Date: Thu, 4 Jun 1998 22:03:57 -0700 (PDT)
- Unfortunately, the charge in the cloud generates a like (but opposite polarity) charge in the ground below it. This charge will travel through any conductor that is connected to the earth. So a grou
- /archives//html/Towertalk/1998-06/msg00181.html (8,059 bytes)
- 2. [TowerTalk] lighting (score: 1)
- Author: aa0cy@nwrain.com (Bob Wanderer)
- Date: Sat, 6 Jun 1998 12:35:10 -0700
- All the discussions about where lightning will strike remind me of the tornado warnings and watches I listened to while living in Denver (which, for those who don't know, is the western terminus for
- /archives//html/Towertalk/1998-06/msg00209.html (10,336 bytes)
- 3. [TowerTalk] Lighting (score: 1)
- Author: "Tom Rauch" <w8ji@contesting.com>
- Date: Tue, 6 Jul 2004 07:47:02 -0400
- equipment connected to the antenna, no does it Same at my QTH. My tall tower gets hit several times a year and I almost never have damage. I don't have a single lighting suppressor in any feedline,
- /archives//html/Towertalk/2004-07/msg00181.html (9,639 bytes)
- 4. RE: [TowerTalk] Lighting (score: 1)
- Author: "David Robbins K1TTT" <k1ttt@arrl.net>
- Date: Tue, 6 Jul 2004 12:53:03 -0000
- Its definitely a myth. Grounding does not prevent strikes, though it may stop you from getting damage from strikes so you don't know you ever had them. Also the statistics of the geographic distribut
- /archives//html/Towertalk/2004-07/msg00185.html (11,618 bytes)
- 5. RE: [TowerTalk] Lighting (score: 1)
- Author: "Wilson Lui" <wilsonlui@atitec.com>
- Date: Tue, 6 Jul 2004 13:32:39 -0700
- Grounding does not prevent strikes. What a proper grounding system does do is allow for any lightning strike that does happen is condected safely into the surrounding soil and not arc through any equ
- /archives//html/Towertalk/2004-07/msg00203.html (13,113 bytes)
- 6. Re: [TowerTalk] Lighting (score: 1)
- Author: "Tom Rauch" <w8ji@contesting.com>
- Date: Tue, 6 Jul 2004 17:07:07 -0400
- Thanks Dave and Wilson. grounding system does do condected safely into equipment/structure trying to That's my opinion also, based only on the physics involved. I notice a large group of people actua
- /archives//html/Towertalk/2004-07/msg00205.html (9,833 bytes)
- 7. Re: [TowerTalk] Lighting (score: 1)
- Author: "jerryc" <jerryc@clinchrivercorp.com>
- Date: Tue, 6 Jul 2004 17:41:58 -0400
- Tom I may be wrong but my take on this is that many of us were told that structures not properly grounded would build up static and be more likely to attract a strike. I have also wondered about the
- /archives//html/Towertalk/2004-07/msg00207.html (11,120 bytes)
- 8. Re: [TowerTalk] Lighting (score: 1)
- Author: "Jim Lux" <jimlux@earthlink.net>
- Date: Tue, 6 Jul 2004 14:56:33 -0700
- It might go back as far as Ben Franklin, inventor of the lightning rod. There is much "lore" (no better word for it.. anecdotal, not based on any sound theoretical basis, etc.) about one kind of air
- /archives//html/Towertalk/2004-07/msg00208.html (11,426 bytes)
- 9. Re: [TowerTalk] Lighting (score: 1)
- Author: "Barry " <w2up@mindspring.com>
- Date: Tue, 06 Jul 2004 21:55:15 -0000
- Probably experience. I believe it, to a degree. Just last week, there was a lightning hit to a wooden power pole about 1000 ft from my tower. It blew a bunch of fuses and lihgtning arrestors on the p
- /archives//html/Towertalk/2004-07/msg00209.html (9,698 bytes)
- 10. Re: [TowerTalk] Lighting (score: 1)
- Author: "Tom Rauch" <w8ji@contesting.com>
- Date: Tue, 6 Jul 2004 18:00:32 -0400
- static wondered a hit. But the charges come from the massive charge pool of the earth and flow into the tower. They are attracted there by the charge difference between the clouds and earth. Groundi
- /archives//html/Towertalk/2004-07/msg00210.html (10,961 bytes)
- 11. RE: [TowerTalk] Lighting (score: 1)
- Author: "Keith Dutson" <kjdutson@earthlink.net>
- Date: Tue, 6 Jul 2004 17:04:25 -0500
- Regarding unhooking the coax connectors, take a look at the following excerpt from the Polyphaser engineering notes at http://www.polyphaser.com/ppc_PEN1016.asp: -- Just a word to those who tell us t
- /archives//html/Towertalk/2004-07/msg00211.html (13,664 bytes)
- 12. Re: [TowerTalk] Lighting (score: 1)
- Author: "Tom Rauch" <w8ji@contesting.com>
- Date: Tue, 6 Jul 2004 18:03:41 -0400
- last week, 1000 ft from arrestors on the best of my it's the Barry, Are you saying the power pole with connections to a huge power grid and all those ground wires at every pole in the system isn't g
- /archives//html/Towertalk/2004-07/msg00212.html (9,472 bytes)
- 13. Re: [TowerTalk] Lighting (score: 1)
- Author: "Jim Lux" <jimlux@earthlink.net>
- Date: Tue, 6 Jul 2004 15:54:00 -0700
- Precisely that, Jerry... They've collected gigabytes of data from field mills all over Cape Canaveral, and I'll bet they really don't have a real handle on what might make a strike one place rather t
- /archives//html/Towertalk/2004-07/msg00213.html (14,163 bytes)
- 14. RE: [TowerTalk] Lighting (score: 1)
- Author: "Carl R. Stevenson" <wk3c@wk3c.com>
- Date: Tue, 6 Jul 2004 19:22:25 -0400
- For something like a buck fifty a thousand of replacement cost, the ARRL insurance will cover it all against virtually everything, including lightning. (I haven't signed up yet, but I am going to rea
- /archives//html/Towertalk/2004-07/msg00214.html (13,377 bytes)
- 15. RE: [TowerTalk] Lighting (score: 1)
- Author: "Rex Lint" <rex@lint.mv.com>
- Date: Tue, 6 Jul 2004 21:40:29 -0400
- I think your math is off by a factor of ten, Carl. Its a buck fifty per HUNDRED! de K1HI Rex Lint 26 Brek Drive Merrimack, NH 03054 For something like a buck fifty a thousand of replacement cost, the
- /archives//html/Towertalk/2004-07/msg00221.html (14,336 bytes)
- 16. Re: [TowerTalk] Lighting (score: 1)
- Author: "RICHARD BOYD" <ke3q@msn.com>
- Date: Tue, 6 Jul 2004 21:41:11 -0400
- Many people have described observing this anecdotally, like W0UN with his 50 to 100-mile view in Colorado, lighting strikes would cease when they neared his antenna farm and pick up again a couple mi
- /archives//html/Towertalk/2004-07/msg00223.html (11,380 bytes)
- 17. RE: [TowerTalk] Lighting (score: 1)
- Author: "Carl R. Stevenson" <wk3c@wk3c.com>
- Date: Tue, 6 Jul 2004 21:49:56 -0400
- Sorry ... I was working from memory and may have "had a senior moment." :-) At any rate, I think it's very reasonable for the "all risk" coverage it provides for replacement cost. 73, Carl - wk3c ___
- /archives//html/Towertalk/2004-07/msg00224.html (16,890 bytes)
- 18. Re: [TowerTalk] Lighting (score: 1)
- Author: "Tom Rauch" <w8ji@contesting.com>
- Date: Tue, 6 Jul 2004 21:52:58 -0400
- static Well, let's think about that. Let's say the cloud is short a few electrons and the earth has extra. We magically insulate the tower so well it can't receive any electrons from the earth. Now
- /archives//html/Towertalk/2004-07/msg00226.html (10,487 bytes)
- 19. Re: [TowerTalk] Lighting (score: 1)
- Author: "Jerry Keller" <k3bz@arrl.net>
- Date: Tue, 6 Jul 2004 23:24:32 -0400
- OK, one more try! Your example describes the cloud as already over the tower. My "gradually and constantly bleeding off the charge" scenario takes place before that, before the storm arrives. In my s
- /archives//html/Towertalk/2004-07/msg00227.html (13,040 bytes)
- 20. RE: [TowerTalk] Lighting (score: 1)
- Author: "Keith Dutson" <kjdutson@earthlink.net>
- Date: Tue, 6 Jul 2004 22:38:52 -0500
- before that, before the storm arrives. I don't get it. Exactly what is bleeding off before the storm arrives? Keith --Original Message-- From: towertalk-bounces@contesting.com [mailto:towertalk-boun
- /archives//html/Towertalk/2004-07/msg00229.html (10,471 bytes)
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