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MM/SPQ-2

Description of the radar set, tactical-technical characteristics

Figure 1: MM/SPQ-2

Figure 1: MM/SPQ-2

Specifications
frequency: X-Band
pulse repetition time (PRT):
pulse repetition frequency (PRF): 1 500 … 
3 000 Hz
450 … 
500 Hz
pulsewidth (τ): 0.15 µs1.5 µs
receive time:
dead time:
peak power: 25 kW
average power: 20 W
instrumented range: 40 NM (≙ 74 km)
range resolution:
accuracy:
beamwidth: 0.6°
hits per scan:
antenna rotation: 40 rpm
MTBCF:
MTTR:

MM/SPQ-2

MM/SPQ-2 is a surface search and navigation radar operating in the X-Band, with which even low-flying aircraft could be located.

The very good directivity of the antenna was provided by a 3 m wide parabolic reflector. Alternatively, a waveguide slot antenna could be used and the radar was then called SPQ-2B.

The radar has been fitted to numerous Italian Navy ships since 1970, including the frigate Alpino and the cruiser Andrea Doria. Modernized versions SPQ-2D were exported to Canada in the mid-1980s. The Italian radars were decommissioned around 2006.