ST Fire Control Radar


Wavelength 3 cm
Pulse Width 0.3 microsecond
Pulse Repetition Frequency     
1500 Hz
Power 30 kW
Range 8 nautical miles (15 km) on battleship
3 nautical miles (6 km) on submarine
A scope
Accuracy 15 yards/5 degrees
14 meters/5 degrees
Resolution 80 yards/20 degrees
70 meters/20 degrees
Production: 254 from 1944-7

ST was a submarine periscope radar used for accurate range determination for fire control. It could also be used for search but lacked bearing accuracy. All were equipped with an A-display only.


Friedman (1981)

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