Description of the radar set, tactical-technical characteristics
Figure 1: AN/SPS-52
|frequency:||2 910 … 3 100 MHz
|pulse repetition time (PRT):|
|pulse repetition frequency (PRF):||329 Hz|
|pulsewidth (τ):||1 µs|
|peak power:||330 kW|
|instrumented range:||240 NM (≙ 444.5 km)|
|range resolution:||0.08 nm|
|hits per scan:|
|antenna rotation:||5 rpm|
The US-Navys AN/SPS-52 is a shipborne 3-D long range air surveillance radar. The Radar is a Hughes development of the earlier AN/SPS-39A. The antenna assembly is a planar array of a collection of rows of slotted waveguides, tilted back at an angle of 15 degrees, the version 52C at an angle of 25 degrees. Is is a serpentine fed frequency scanning phased array for electronic beam-deflection in elevation angle depending on the transmitted frequency, and mechanical rotation in azimuth.
The AN/SPS-52C has completely different below-the-decks electronic. The radars are mostly de-commissioned and replaced by the AN/SPS-48E. Some devices could still be in operation.