SK radar

SK (radar)
SK-1 aboard USS Long Island
Country of originUnited States
ManufacturerGeneral Electric
Introduced1944
TypeAir-search radar
FrequencyVHF band
Beamwidth10°
Pulsewidth5 μs
Range160.9 km (86.9 nmi)
Azimuth± 3 °
Precision± 100 yd (91 m)
Power250 kW

SK was an American-made air-search radar used during World War II by the United States Navy. Models included SK-1, SK-2 and SK-3.