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Total 3 documents matching your query.

1. [TowerTalk] Corroded copper conductivity? (score: 1): Author: "Dan Zimmerman N3OX" <n3ox@n3ox.net>; Date: Tue, 28 Aug 2007 09:58:12 -0400; Has anyone measured corroded copper inductor Q vs. shiny new copper at HF frequencies? Specifically, I wonder if there'd be any practical benefit to polishing and coating a 3/4" copper pipe transmitt; /archives//html/Towertalk/2007-08/msg00779.html (7,069 bytes)
2. Re: [TowerTalk] Corroded copper conductivity? (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Tue, 28 Aug 2007 09:02:09 -0700; I would venture to guess that it's hard to come up with a single number. Copper Oxide is a semiconductor with fairly high resistivity (it's been used in static dissipative films, for instance, and in; /archives//html/Towertalk/2007-08/msg00780.html (8,567 bytes)
3. Re: [TowerTalk] Corroded copper conductivity? (score: 1): Author: "Gerald Boutin" <towertalk@infinichron.com>; Date: Tue, 28 Aug 2007 21:55:41 -0300; Has anyone measured corroded copper inductor Q vs. shiny new copper at HF frequencies? Specifically, I wonder if there'd be any practical benefit to polishing and coating a 3/4" copper pipe transmitt; /archives//html/Towertalk/2007-08/msg00792.html (8,107 bytes)

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