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Richard Clark, KB7QHC:
Part of this debate has ignored that all resonant circuits can be analyzed as both parallel and series. That is, barring your and my observations. To force the parallel resonant observation upon the quarterwave vertical, all that need be done is to move the drive from the base to the tip. The same current distribution will be observed, the same radiation characteristic will persist, and as such nothing has really changed. Uh, huh, NOT! The top hat does not grace a full quarterwave vertical as it would be redundant to that mission. Such an addition would end up instead throwing the design into a quasi 3/8ths tuning, or such, to dubious purpose. Uh, huh. Quasi 3/8 tuning (with 1/8 radials) provides 50 ohm impedance, no need for matching junk, lowers tha angle and provides increase in gain. Dubious? Not to me. Logically, the addition of more capacity does not lead to resonance. Oh no? Yuri, K3BU |
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