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using EF-180BVs, I'm looking at making some enhancements this spring to improve the near field efficiency and overall performance. I currently have four elevated radials per antenna and am thinking about increasing that number to eight. And what seems a little more ambitious is to install a ground screen. The suggested method to create a ground screen per ON4UNs book is to construct a wire grid with a spacing of 1m over the entire near field. Using this approach for my array which spreads over an approximate 250 feet X 250 feet area, a total of 40K feet of wire would be required. Has anyone tried this and does it work? If this does work where is a good source for cheap wire, it looks like I'll need enough to wire a small town! Les, N1SV -------------------------------------------- Force12Talk mailing list provided as a service by Force 12 Antennas, Inc. Force 12 Web site: http://www.qth.com/force12 Submissions: send to Force12Talk@qth.com To unsubscribe: send a blank e-mail to Force12Talk-leave@qth.com Force12Talk Message Archive: http://www.qth.com/force12/list/force12talk For problems with the list, contact n4zr@qth.com |
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This Author (Feb-2001)
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