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So how would one move that reverse phase to the center and away from the tip?




Now here I disagree, like a full wave antenna won't radiate because the reverse current cancels the forward current even though they are one above another, and not parallel lines.


 No, I'm not certain, but I bet it's more about the elevation of the top 3/8λ and attraction to the counterpoise field which causes a lowering of the TOA, thus showing more signal on the horizon / gain. My best inspired guess, anyway...:laugh:


 I wonder if there's some extending of the reverse current in the cone area which may cover the extra bottom 1/8λ, if it's out of phase on the 7/8λ, and which is what is allowing you & Bob to see gain over the 3/4λ?


 I still believe it has only to do with the TOA lowered due at least partly to the counterpoise system, along with the canceled bottom 1/4λ acting as elevation for the top 3/8λ...:confused: