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AN/SPQ-9A

Description of the radar set, tactical-technical characteristics

Figure 1: AN/SPQ-9A

Figure 1: AN/SPQ-9A

Specifications
frequency: X-Band
pulse repetition time (PRT):
pulse repetition frequency (PRF): 3 000 Hz
pulsewidth (τ):
receive time:
dead time:
peak power: 1.2 kW
average power:
instrumented range: 20 NM (≙ 37 km)
range resolution:
accuracy:
beamwidth:
hits per scan:
antenna rotation: 60 rpm
MTBCF:
MTTR:

AN/SPQ-9A

AN/SPQ-9A is operating in X-Band surface search radar. The antenna is mounted on a stabilized platform and protected by a radome. The radar operates in any one of five selectable frequency ranges, with pulse-to-pulse frequency agility as countermeasure to jamming and fixed or sea clutter. It uses intrapulse modulation and pulse compression.

Picture gallery of AN/SPQ-9A

Figure 2: AN/SPQ-9A under a radome
(© 2015 Jörg Waterstraat, www.kriegsschiffe.eu


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