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Total 8 documents matching your query.

1. [TowerTalk] Sheet copper ground (score: 1): Author: "Barrie Smith" <barrie@centric.net>; Date: Mon, 25 Jun 2007 13:13:09 -0600; I'd like to improve my grounding system, which, due to clay and rocks, is mostly nonexistant. I have a friend who owns a sheet-metal shop. While visiting him recently I saw a pile of copper sheets th; /archives//html/Towertalk/2007-06/msg00736.html (7,420 bytes)
2. Re: [TowerTalk] Sheet copper ground (score: 1): Author: "jeremy-ca" <km1h@jeremy.mv.com>; Date: Mon, 25 Jun 2007 15:35:11 -0400; With copper scrap pushing $4 a lb it might be reasonable for 6 or 10M Carl KM1H. _______________________________________________ _______________________________________________ TowerTalk mailing list; /archives//html/Towertalk/2007-06/msg00737.html (8,457 bytes)
3. Re: [TowerTalk] Sheet copper ground (score: 1): Author: "Kent Winrich" <kwinrich@gmail.com>; Date: Mon, 25 Jun 2007 15:46:48 -0400; We deal with grounds on an on going basis in the broadcast industry. "Weaving" these straps to form a "screen" would give you a more effective area of ground. I would suggest that you split them in h; /archives//html/Towertalk/2007-06/msg00738.html (8,205 bytes)
4. Re: [TowerTalk] Sheet copper ground (score: 1): Author: Bill Turner <dezrat@copper.net>; Date: Tue, 26 Jun 2007 01:40:21 -0700; ORIGINAL MESSAGE: -- REPLY FOLLOWS -- What kind of ground are you wanting to improve? 1. AC mains safety ground? 2. Lightning protection ground? 3. RF ground for transmitting and receiving? If #3, wh; /archives//html/Towertalk/2007-06/msg00745.html (7,343 bytes)
5. Re: [TowerTalk] Sheet copper ground (score: 1): Author: "Barrie Smith" <barrie@centric.net>; Date: Wed, 27 Jun 2007 11:41:02 -0600; mostly nonexistant. I'm QRV 6M, 432 and 1296 EME. However, in the winter, I chat a bit on 160 and 75M. I plan to shunt-feed a 85' tower, with four 7 el yagis on a 30' x 30' h-frame, for 75 and 160M,; /archives//html/Towertalk/2007-06/msg00811.html (8,907 bytes)
6. Re: [TowerTalk] Sheet copper ground (score: 1): Author: GALE STEWARD <k3nd@yahoo.com>; Date: Wed, 27 Jun 2007 10:51:48 -0700 (PDT); According to one of the companys that sell lightning rods and associated hardware, a 2 X 2 ft copper plate buried 2 ft down is a substitute for a ground rod. http://www.lightningrod.com/catalog1_rods; /archives//html/Towertalk/2007-06/msg00812.html (10,028 bytes)
7. Re: [TowerTalk] Sheet copper ground (score: 1): Author: Bill Turner <dezrat@copper.net>; Date: Wed, 27 Jun 2007 14:52:24 -0700; ORIGINAL MESSAGE: -- REPLY FOLLOWS -- That would only be effective for lightning protection, not for AC mains or RF grounding. For AC mains, follow the local code requirements. Most likely it require; /archives//html/Towertalk/2007-06/msg00819.html (8,630 bytes)
8. Re: [TowerTalk] Sheet copper ground (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Wed, 27 Jun 2007 19:28:44 -0700; The primary function of ANY connection to earth, including AC Mains, IS the discharge of lightning (and other power line spikes). A connection to EARTH is irrelvant to the operation of radio systems.; /archives//html/Towertalk/2007-06/msg00831.html (8,146 bytes)

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