SV Air Search Radar

Photograph of SD air warning radar antenna

U.S. Navy. Via


Wavelength 8 cm
Pulse Width 1 microsecond
Pulse Repetition Frequency     
300 Hz
Power 500 kW peak power
Range 7.5 miles (12 km) against bombers at 30,000 feet (9100 m)
10 miles (16 km) against bombers at 10,000 feet (3000 m)
12 miles (19 km) against fighters at 10,000 feet (3000 m)
12.5 miles (20 km) against battleship
15 miles (24 km) against cruisers
10 miles (16 km) against destroyers
7.5 miles (12 km) against surfaced submarine
Minimum range 400 yards (360  meters)
4' by 2' (120 cm by 60 cm) parabolic
Shared the SJ PPI and A scopes
Accuracy 50 yards/2 degrees
46 m/2 degrees
Resolution 5.7 yards/5 degrees
5.2m/5 degrees
3400 lb
1540 kg
Production: From 1945

SV began to replace the primitive SD radar on submarines just as the war was winding down. It shared the SJ displays and had Identification Friend or Foe capability.


Friedman (1981)

NavShips 900-116 (accessed 2011-3-31)

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