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Taper with the right tube diameters would be nice Eddie, it may show wider bandwidth,
i would like to know why you have such a discrepancy in gain,

until i learn differently your gain figures make more sense going on what we have learned over the years about that style antenna,

my sigma has 10 tube sections 1 - 5/8" > 1/2" plus 7" x 1 - 9/10" base tube.

[QUOTE="bob85, post: 614551, member: 18"] Taper with the right tube diameters would be nice Eddie, it may show wider bandwidth, i would like to know why you have such a discrepancy in gain, until i learn differently your gain figures make more sense going on what we have learned over the years about that style antenna, my sigma has 10 tube sections 1 - 5/8" > 1/2" plus 7" x 1 - 9/10" base tube. [/QUOTE]

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