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Description of the radar set, tactical-technical characteristics

Figure 1: DWSR-8501

Figure 1: DWSR-8501 S-Band antenna with a reflector diameter of 28 ft (8.53 m)

DWSR-8501S  DWSR-8501S/K
transmitter type: Magnetron Klystron
frequency: 2 700 … 3 000 MHz
pulse repetition time (PRT):
pulse repetition frequency (PRF): 200 … 2400 Hz
pulsewidth (τ): 0.2 … 2 µs0.4 … 4.5 µs
receive time:
dead time:
peak power: 850 kW
average power:
instrumented range: ≥ 600 km
range resolution:
elevation coverage:
beamwidth: 0.95°
hits per scan:
antenna rotation: ≤ 10 rpm


DWSR-8501 is a long range S-Band Weatherradar. There are two main configurations: the Magnetron-powered DWSR-8501 S, and the Klystron-powered DWSR-8501 S/K. Both radars provide a peak power output of 850 kW and are available with either standard single-polarization or with an advanced dual-polarization system. The pulse repetition frequency is user selectable.

Picture gallery of DWSR-8501

Figure 2: 20-ft (6.09m) antenna