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Total 2 documents matching your query.

1. [TowerTalk] Open wire protection devices? (score: 1): Author: Jim Miller <jim@jtmiller.com>; Date: Fri, 30 Dec 2011 16:50:34 -0500; I've got an ICE open wire line protection unit with the little glass gas filled protection devices inside. They're soldered in place. I was looking at the AlphaDelta units which have their gas filled; /archives//html/Towertalk/2011-12/msg00819.html (6,997 bytes)
2. Re: [TowerTalk] Open wire protection devices? (score: 1): Author: "Paul Christensen" <w9ac@arrl.net>; Date: Fri, 30 Dec 2011 17:04:08 -0500; Jim, As an alternative, I open/close the line outside the house with a pair of 75A/10KV vacuum relays. The relays are controlled from inside the shack. Although there's no guarantee that lightning c; /archives//html/Towertalk/2011-12/msg00822.html (8,015 bytes)

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