www.radartutorial.eu www.radartutorial.eu Card Index of Radar Sets - Air Defense Radar

Mk. 22

Description of the radar set, tactical-technical characteristics

Figure 1: Mk. 22 (“orange peel” antenna)
and Mk. 12 (rectangle antenna)

Figure 1: Mk. 22 (“orange peel” antenna)
and Mk. 12 (rectangle antenna)

Specifications
frequency: 9 375 ± 30 MHz
(X-Band)
pulse repetition time (PRT):
pulse repetition frequency (PRF): 480 Hz or 1 639 Hz
pulsewidth (τ): 0.5 µs
receive time:
dead time:
peak power: 25 … 35 kW
average power: 7 W or 25 W
instrumented range: 10 NM (≙ 18 km)
range resolution: 90 m
accuracy:
beamwidth: β= 1.2° ;ε= 4.5°
hits per scan:
antenna rotation:
MTBCF:
MTTR:

Mk. 22

Mk. 22 is operating in X-Band Fire Control System (FCS). It is designed as an auxiliary equipment for use as an elevation finder in conjunction with the radars Mk. 4 and Mk. 12. It furbishes elevation and range information on low-angle targets.

The reflector is an elliptically shaped, cut paraboloid of open-grate construction. It is 6 feet high by 1½ feet wide by 2½ feet deep and provides a beavertail pattern. The antenna mechanically scans in the vertical plane over an elevation angle of 13° at a rate of 2 scans per second.