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G9B05

How does antenna height affect the azimuthal radiation pattern of a horizontal dipole HF antenna at elevation angles higher than about 45 degrees?

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AAntenna height has no effect on the pattern
BIf the antenna is too high, the pattern becomes unpredictable
CIf the antenna is less than 1/2 wavelength high, radiation off the ends of the wire is eliminated
DIf the antenna is less than 1/2 wavelength high, the azimuthal pattern is almost omnidirectional