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S 712

Description of the radar set, tactical-technical characteristics

Figure 1: S 712

S 712 Radar, © 1972 Marconi

Figure 1: S 712

Specifications
frequency: 3 ± 0.15 GHz
(S-Band)
pulse repetition time (PRT):
pulse repetition frequency (PRF): 1 000 Hz
pulsewidth (τ): 12.5 µs
receive time:
dead time:
peak power: 160 kW
average power: 2 kW
instrumented range: 64 NM (≙ 118 km)
range resolution: 250 m
accuracy:
beamwidth:
hits per scan:
antenna rotation: 15 min⁻¹
MTBCF:
MTTR:

S 712

The S 712 is an operating in S-Band surveillance radar for air defence. It is practically a downgraded version of the S 711 without the expensive hydraulic mast, a smaller antenna and without the possibility to change the polarization.

The antenna used a single curved parabolic reflector and was mounted directly on the shelter with the radar electronics. It provided a simple fan beam pattern with a vertical beam width of 8 degrees.

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