(1) Target location in azimuth and elevation is given by the physical
position of the antenna.
accurate angular information.
(4) RF energy is fed to the reflector by means of a dipole, horn, or
(5) The shape of the reflector depends upon the function of the
(6) A parabolic or dish antenna, used with tracking radars, focuses
the RF energy into a narrow cone-shaped beam.
(7) Parabolic cylinders and orange peel antennas are used with search
and height-finding radars.
(8) An orange peel antenna used for search has a radiation pattern
that is narrow in azimuth and broad in elevation.
(9) An orange peel antenna used for height-finding has a radiation
pattern that is narrow in elevation and broad in azimuth.
(10) A metallic lens is used with search and tracking radars.
34. Reflector feed systems.
a. Conventional front feeds. In a front feed system, the transmission
line (rigid coaxial line or waveguide) is led around the edge of the antenna
to the front, where it is terminated by a radiating device as shown in