G9D01 — General Class

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G9D01 : Which of the following antenna types will be most effective as a near vertical incidence skywave (NVIS) antenna for short-skip communications on 40 meters during the day?
A A horizontal dipole placed between 1/10 and 1/4 wavelength above the ground
B A vertical antenna placed between 1/4 and 1/2 wavelength above the ground
C A horizontal dipole placed at approximately 1/2 wavelength above the ground
D A vertical dipole placed at approximately 1/2 wavelength above the ground
Correct Answer: A horizontal dipole placed between 1/10 and 1/4 wavelength above the ground