> Does anyone know what the resonant freq. is of the 30ft of 3" tubing
> without the addition of a top hat?
EZNEC predicts the resonant frequency is near 7.9 MHz. Adding a top hat
of 4 spokes 2.5 feet long lowers it to near 7.1 MHz. Adding 2 spokes
2.5 feet long brings it near 7.4 MHz
73 de Red
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