This is a closeup of my LDG 4:1 Unun as installed at the base of my S9v 31 foot antenna. The unun works well. I am not sure which Unun to leave on the roof. But I am leaning on leaving the less expensive LDG Unun on the roof and keeping my more expensive Balun Designs 4:1 Unun for portable use. Photo taken on Mon, June 27, 2011
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