• Source: SC radar

SC was an American-made air and surface-search radar used during World War II by the United States Navy. Variations include SC-1, SC-2 and SC-3.




Overview


They were very high frequency search sets, installed on destroyers and larger ships to search for planes and surface vessels and for control of interception. All sets have an "A" scope, provision for Identification friend or foe (IFF) connections, and work with a gyro-compass repeater. SC-2 and SC-3 also have PPI scopes, remote PPI's, and built-in BL and BI*antennas.
With antennas at 100', SC and SC-1 (without preamplifier) have a reliable maximum range of 30 miles on medium bombers at 1,000' altitude. With preamplifier, SC-1's range is extended to 75 miles – the same as that of SC-2 and SC-3. Range accuracy of SC is ± 200 yards; later models have an accuracy of ± 100 yds. bearing accuracy of SC and SC-21 is ± 5°; of SC-2 and SC-3, ± 3°. There is no elevation control on any of the sets, but height can be estimated roughly from positions of minimum signal strength.
Shipment includes spares for each set. If separate generator is needed, it is included in shipment. Not air transportable.
Both SC and SC-1 have 5 components weighing a total of 1800 lbs. SC-2 has 6 components weighing a total of 3,000 pounds. Weights and dimensions of antenna assemblies are 450 lbs. 6'111/2" x 8'6" for SC and SC-1; 478 lbs. 4'6" x 15' for SC-2 and SC-3. Antennas should be mounted as high as possible, preferably 100 feet or more, above other superstructures.
One operator per shift is minimum on all 3 sets. SC and SC-1 require primary power of 1500 watts at 115 volts, 60 cycles. SC-2 and SC-3 require 2500 watts at 115 volts, 60 cycles. All sets use ship's power of 115 volts, 60 cycles; transformer, if ship's power is 440 volts AC or 220 volts AC; motor generator if ship's power is DC.




On board ships






= United States

=
Essex-class aircraft carrier
Independence-class aircraft carrier
Yorktown-class aircraft carrier
Avenger-class escort carrier
Casablanca-class escort carrier
Long Island-class escort carrier
Iowa-class battleship
South Dakota-class battleship
Colorado-class battleship
USS Tennessee (BB-43)
New York-class battleship
USS Arkansas (BB-33)
Gearing-class destroyer
Allen M. Sumner-class destroyer
Fletcher-class destroyer
Gleaves-class destroyer
Benson-class destroyer
Sims-class destroyer
Benham-class destroyer
Somers-class destroyer
Bagley-class destroyer
Porter-class destroyer
Mahan-class destroyer
Farragut-class destroyer
Wickes-class destroyer
Sampson-class destroyer
John C. Butler-class destroyer escort
Rudderow-class destroyer escort
Buckley-class destroyer escort
Edsall-class destroyer escort
Chiwawa-class oiler
Kennebec-class oiler
Patapsco-class gasoline tanker




= Australia

=
River-class frigate




Gallery



























See also


List of radars
Radar configurations and types
Surveillance radar




Citations






References


Norman Friedman (2006). The Naval Institute Guide to World Naval Weapon Systems. Naval Institute Press. ISBN 978-1-55750-262-9
Buderi, Robert (1998). The Invention That Changed the World: How a Small Group of Radar Pioneers Won the Second World War and Launched a Technical Revolution. Touchstone. ISBN 0-684-83529-0
Hezlet, Arthur (1975). Electronics and Sea Power. New York: Stein and Day. ISBN 0-8128-1811-3

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