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Description of the radar set, tactical-technical characteristics

Figure 1: JTPS-P5

Figure 1: Shelter JS-P2 of JTPS-P5 radar

frequency: S band
pulse repetition time (PRT):
pulse repetition frequency (PRF): 400 Hz
pulsewidth (τ): 25 µs
receiving time:
dead time:
peak power: 60 kW
average power:
instrumented range: 320 km
range resolution: 150 m
beamwidth: 1.5°
hits per scan:
antenna rotation: 6 min⁻¹


JTPS-P5 (alias Japanese Type 71) is operating in the S band air surveillance radar. It became operational in 1971.

JTPS-P5 uses intrapulse modulation and a pulse compression rate of 25. The compressed pulse has a pulse length of 1 microsecond therefore.

The antenna is a parabolic reflector type with the dimensions of 5.1 · 2.45 m. It provides a cosecant squared pattern.