The antenna efficiency of an HF grounded vertical antenna can be made comparable to that
of a half-wave antenna
A. By installing a good ground radial system
B. By isolating the coax shield from ground
C. By shortening the vertical
D. By lengthening the vertical
of a half-wave antenna
A. By installing a good ground radial system
B. By isolating the coax shield from ground
C. By shortening the vertical
D. By lengthening the vertical