Which of the following is false regarding a paraboloid antenna?
(a) Spill over decreases due to back lobe of primary radiator
(b) Feed placed at the focus is used to improve the beam pattern
(c) Pill box provides wide beam in one plane and narrow beam in other plane
(d) At lower frequencies parabolic antennas are not used frequently
This question was addressed to me by my school principal while I was bunking the class.
Enquiry is from Parabolic Reflector Antenna topic in portion Reflector Antenna of Antennas