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SL Surface Search Radar


Drawing of minecraft with SL radar

U.S. Navy. Via ibiblio.org

Specifications:

Wavelength 10 cm
Pulse Width 1.5 microsecond
Pulse Repetition Frequency     
800 Hz
Power 150 kW
Range 15 nautical miles (30 km) (low-flying bomber)
20 nautical miles (35 km) (cruiser)
13 nautical miles (24 km) (destroyer)
10 nautical miles (20 km) (submarine)
Antenna
45" by 48" (1.14m by 1.22m) parabolic in radome
Scope
PPI
Scan rate 20 rotations per minute
Accuracy 100 feet/1 degrees
30 meters/1 degrees
Resolution 600 feet/6 degrees
200 meters/25 degrees
Weight
1300 lbs (590 kg)
300 lbs (136 kg) for antenna
Production: 829 SLs were manufactured by 1943-10 and 480 SL-1 by 1944-7.

The SL was used on smaller naval vessels such as destroyer escorts. It had a PPI display and provisions for IFF but could not detect objects closer than 400 yards away.

References

Buderi (1998)

Friedman (1981)

FTP 217 (accessed 2011-7-1)

Hezlet (1975)


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