Figure 148.
Radar Set AN/TPS-1D Antenna.
b. Orange peel reflectors are also used to determine the altitude of
planes.
27. Radar set AN/FPN-33 uses an orange peel reflector mounted vertically.
a. Figure 149 shows the height-finder antenna of radar set AN/FPN-33
and its radiation pattern. The FPN-33 radar set is used to guide planes to
a safe landing when there is no visibility.
The set actually uses two
antennas; one for azimuth and one for height (elevation).
Figure 149.
Radar Set AN/FPN-33 Antenna.
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