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Old 17-May-2011, 9:30 PM   #6
GroundUrMast's Avatar
Join Date: Oct 2010
Location: Greater Seattle Area
Posts: 4,681
Advanced Rhombic Design

The attached drawing is based on the work of Edmund A. Laport and descriptions of his work from an article published in CATJ, October 1976. I specifically scaled this drawing to UHF channel 46.

This revision includes the basic outline for a boom and spreader constructed of Sched-40 PVC.
Attached Files
File Type: pdf Laport Rhombic Plan View rev 06072011.pdf (52.6 KB, 3972 views)
If the well is dry and you don't see rain on the horizon, you'll need to dig the hole deeper. (If the antenna can't get the job done, an amp won't fix it.)

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Last edited by GroundUrMast; 7-Jun-2011 at 9:33 PM. Reason: Revised drawing to indicate required insulation points
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