G9B07:How does the feed point impedance of a horizontal 1/2 wave dipole antenna change as the antenna height is reduced to 1/10 wavelength above ground?
Direct answer summary (2023-2027 NCVEC pool)
The official correct answer for G9B07 is It steadily decreases.
Use this action or method: It steadily decreases. It is the choice that directly completes the job described in the question.