Zoningis usedwith adielectric antenna inorderto
a. reduce the bulk of the lense
b. increase the bandwidth of the lens
c. increase pin-point focusing
d. correct the curvature of the wavefront from a horn that is too short
a. reduce the bulk of the lense
b. increase the bandwidth of the lens
c. increase pin-point focusing
d. correct the curvature of the wavefront from a horn that is too short