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S 609

Description of the radar set, tactical-technical characteristics

Figure 1: S 609

Figure 1: S 609

Specifications
frequency: 9 415 … 9 475 MHz
(X-Band)
pulse repetition time (PRT):
pulse repetition frequency (PRF): 360 Hz
pulsewidth (τ): 2 µs
receive time:
dead time:
peak power: 70 kW
average power:
instrumented range: 200 NM (≙ 370 km)
range resolution:
accuracy: 1%
beamwidth: 1.4°
hits per scan:
antenna rotation: 13 min-1
MTBCF:
MTTR:

S 609

S 609 was operating in X-Band low-cost weather radar made by Marconi.

The antenna was a symmetrical parabolic dish with a diameter of 6 ft (≙ 1.8 m) using a Cutler-feed. The transmitter was a magnetron type. The complete transmitting and receiving equipment was housed within the pedestal. The display may be separated up to 1000 ft (≙ 300 m) from the antenna site. Up to three PPI displays may be used, each with a CRT diameter of 12 inch (≙ 30.5 cm).