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Type 291

Description of the radar set, tactical-technical characteristics

Figure 1: Type 291

Figure 1: Type 291

Specifications
frequency: 214 MHz
(VHF-Band)
pulse repetition time (PRT):
pulse repetition frequency (PRF): 500 Hz
pulsewidth (τ): 1.1 µs
receive time:
dead time:
peak power: 100 kW
average power: 55 W
instrumented range: 35 NM (≙ 65 km)
range resolution: 180 m
accuracy:
beamwidth: 40°
hits per scan:
antenna rotation:
MTBCF:
MTTR:

Type 291

Type 291 was operating in VHF-Band early warning radar and became operational end of 1941. It was widely used on small ships throughout WWII. The antenna was still turned manually with a crank.