Search and Warning ApplicationsThe search and warning function of radar is the one most commonly used, being the detection of an object (e.g. an airplane in flight viewed on a radar screen by a ground-based radar or a land mass viewed by a ship-borne or air-borne radar). Such “targets” are usually struck many times by the signal due to many scans (rotations) of the radar antenna. The most typical application is the radar system is at an airport. Their antennas are especially no