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Total 20 documents matching your query.

1. [TowerTalk] Length of Mast (score: 1): Author: w8aef@worldnet.att.net (Paul Playford); Date: Sun Jun 1 00:23:56 2003; The lightning rods on barns are designed to ATTRACT lightning. de Paul, W8AEF fasten risk doing Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherma; /archives//html/Towertalk/2003-06/msg00000.html (8,279 bytes)
2. [TowerTalk] Length of Mast (score: 1): Author: km9m-zig@attbi.com (S. Markowski Jr.); Date: Sun Jun 1 00:29:22 2003; I'm not a lightning expert, just a fireman that answered a lot of house fire/lightning hit calls. Where I live, many of the outlying areas(used to be farm and barns, now filled with 500k and up house; /archives//html/Towertalk/2003-06/msg00001.html (8,437 bytes)
3. [TowerTalk] Length of Mast (score: 1): Author: k1ttt@arrl.net (David Robbins K1TTT); Date: Sun Jun 1 09:11:13 2003; stopped house areas(used More than likely its not the hits that has dropped, but having the downleads has prevented the hits from causing fires by providing a low resistance path around the outside; /archives//html/Towertalk/2003-06/msg00004.html (10,148 bytes)
4. [TowerTalk] Length of Mast (score: 1): Author: k2xx@swva.net (Joe Giacobello); Date: Sun Jun 1 11:51:19 2003; You guys have raised an issue that I have wondered about for some time now. I also live out in the country and have noticed that the number of houses and other structures with lightning rods seems to; /archives//html/Towertalk/2003-06/msg00006.html (11,858 bytes)
5. [TowerTalk] Length of Mast (score: 1): Author: jim@rhodesend.net (Jim Rhodes); Date: Sun Jun 1 16:28:20 2003; Years ago I heard W0UN's presentation at Dayton where he claimed that when a thunderstorm would move over his multi-tower setup in Colorado that the lightning would actually stop until the storm fron; /archives//html/Towertalk/2003-06/msg00010.html (13,852 bytes)
6. [TowerTalk] Length of Mast (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sun Jun 1 16:39:35 2003; I, too, remembered that from W0UN, whose engineering expertise I respect mightily. Yet the Polyphaser people go to great lengths in the "Grounds" book to challenge the idea that anything can deter a; /archives//html/Towertalk/2003-06/msg00011.html (9,392 bytes)
7. [TowerTalk] Length of Mast (score: 1): Author: k1ttt@arrl.net (David Robbins K1TTT); Date: Sun Jun 1 16:56:32 2003; when the the don't left rods a nothing you can do on the ground is going to do anything more than slightly attract a downward moving leader from a cloud once it gets started. You can do this by prov; /archives//html/Towertalk/2003-06/msg00012.html (10,232 bytes)
8. [TowerTalk] Length of Mast (score: 1): Author: shr@medinaec.com (W0UN--John Brosnahan); Date: Sun Jun 1 18:15:45 2003; Although I was involved in lightning research in the 1970s on tracking the movement of the stepped leader by interferometric positioning of its low-VHF radio emission (published in the Journal of Geo; /archives//html/Towertalk/2003-06/msg00017.html (11,814 bytes)
9. [TowerTalk] Length of Mast (score: 1): Author: K3BU@aol.com (K3BU@aol.com); Date: Sun Jun 1 21:45:34 2003; lightning MMDNV! Back in Toronto it really striked me when I upgarded from 65 ft tower with TH6 to 110' Bertha with 3 el. full size stretched Telrex 40m beam or pair of 62 ft Razors. With old tower I; /archives//html/Towertalk/2003-06/msg00024.html (10,864 bytes)
10. [TowerTalk] Length of Mast (score: 1): Author: mpride@us.ibm.com (Mark Pride); Date: Sun Jun 1 22:34:12 2003; In all this discussion regarding grounded towers and multiple grounded yagis that appear to dissipate lightening strikes or protects better than a single tower with few yagis. I recently heard that t; /archives//html/Towertalk/2003-06/msg00026.html (12,432 bytes)
11. [TowerTalk] Length of Mast (score: 1): Author: K3BU@aol.com (K3BU@aol.com); Date: Sun Jun 1 23:21:03 2003; I would like to see or hear that it is a fact. Any actual experiences out there? Based on my experience with insulated wire Quad elements, it works NOT. Insulation didn't seem to do any good. The top; /archives//html/Towertalk/2003-06/msg00028.html (8,082 bytes)
12. [TowerTalk] Length of Mast (score: 1): Author: rmoodyg@bellsouth.net (Richard M. Gillingham); Date: Sun Jun 1 23:53:15 2003; Can't say I'd call the fiberglas tubes that the bronze tapes slide in 'shielding', the tubes being non-metalic. But, yes mine doesn't show as much precip static as my aluminum yagi did. Don't know wh; /archives//html/Towertalk/2003-06/msg00029.html (14,920 bytes)
13. [TowerTalk] Length of Mast (score: 1): Author: jimlux@earthlink.net (Jim Lux); Date: Mon Jun 2 00:44:25 2003; The mechanism of particle impact charging relies on charged particles (dust, raindrops, snow) touching a conductor and transferring the charge. This is what charges things like airplanes, air powered; /archives//html/Towertalk/2003-06/msg00031.html (8,855 bytes)
14. [TowerTalk] Length of Mast (score: 1): Author: btippett@alum.mit.edu (Bill Tippett); Date: Mon Jun 2 07:15:37 2003; striking as they approached the grounded towers (with lots of elements) and then resume striking as the cell passed by the towers. Typical experience indicated that the lightning would stop some 1/8; /archives//html/Towertalk/2003-06/msg00034.html (8,895 bytes)
15. [TowerTalk] Length of Mast (score: 1): Author: n7us@earthlink.net (Jim McDonald); Date: Sun Jun 1 00:27:59 2003; We have an extensive/expensive lightning protection system all around the perimeter walls of the building in which I work. There are pointed lightning rods a couple of feet high (I'm guessing) maybe; /archives//html/Towertalk/2003-06/msg00556.html (10,389 bytes)
16. [TowerTalk] Length of Mast (score: 1): Author: K4BEV@aol.com (K4BEV@aol.com); Date: Sat May 31 23:15:59 2003; Coincidentally: My XYL and I were just noticing an array of lightning rods on two houses in town today. The 2 houses are at the lowest place in town... It usually floods there if we have any rain to; /archives//html/Towertalk/2003-05/msg00000.html (7,214 bytes)
17. [TowerTalk] Length of Mast (score: 1): Author: k3bz@arrl.net (Jerry Keller); Date: Sat May 31 20:06:23 2003; My 40' tower will have a 12 foot mast. I've heard it's a good idea to fasten a sharp-pointed rod at the top of the mast... supposedly to reduce the risk of a lightning strike....like the lightning ro; /archives//html/Towertalk/2003-05/msg00431.html (6,912 bytes)
18. [TowerTalk] Length of Mast (score: 1): Author: W4EF@dellroy.com (Michael Tope); Date: Sat May 31 21:47:23 2003; Jerry, I believe lightning rods are placed on barns in order to give lightning some place to go if a strike occurs (they are grounded thru a ground lead). Although there seems to be varied opinion on; /archives//html/Towertalk/2003-05/msg00433.html (8,446 bytes)
19. [TowerTalk] Length of Mast (score: 1): Author: n4zr@contesting.com (Pete Smith); Date: Sat May 31 22:39:37 2003; My house -- a farmhouse -- came with an array of 6 lightning rods, complete with woven aluminum down-conductors. Lightning rods are fairly common on houses out here. I am very unclear on whether they; /archives//html/Towertalk/2003-05/msg00434.html (7,691 bytes)
20. [TowerTalk] Length of Mast (score: 1): Author: jimlux@earthlink.net (Jim Lux); Date: Sat May 31 23:23:09 2003; One generally wants more than one lightning rod ("air terminal" in lightning protection-speak), particularly if they don't stick up very far above that which is being protected. The currently fashion; /archives//html/Towertalk/2003-05/msg00435.html (10,517 bytes)

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