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NUR-31

Description of the radar set, tactical-technical characteristics

Figure 1: NUR-31

Figure 1: NUR-31

Specifications
frequency: L-Band
pulse repetition time (PRT):
pulse repetition frequency (PRF):
pulsewidth (τ): 10 µs
receive time:
dead time:
peak power: 400 kW
average power:
instrumented range: 200 km
range resolution: 150 m
accuracy:
beamwidth: 1.8°
hits per scan:
antenna rotation: 6 min⁻¹
MTBCF:
MTTR:

NUR-31

NUR-31 alias “Justyna-82” (NUR comes from Naziemne Urządzenie Radiolokacyjne, i.e.: Ground-based Radiolocation Equipment) is an operating in L-Band mobile 2D air surveillance radar. It was used in the Polish armed forces from 1988 to 2005.

NUR-31 is a fully coherent radar using intrapulse modulation with a PCR of 10. The dimension of the parabolic reflector is 9×2.5 m. It provides a cosecant squared pattern.

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