The SG radar was an American naval
surface-search radar developed during the Second World War. The prototype was tested at sea aboard the
destroyer
In naval terminology, a destroyer is a fast, manoeuvrable, long-endurance warship intended to escort
larger vessels in a fleet, convoy or battle group and defend them against powerful short range attackers. They were originally developed in ...
in May 1941.
[Watson, p. 212] It was the first microwave surface-search radar to be equipped with a
plan position indicator
A plan position indicator (PPI) is a type of radar display that represents the radar antenna in the center of the display, with the distance from it and height above ground drawn as concentric circles. As the radar antenna rotates, a radial tra ...
. The first operational set was installed aboard the
heavy cruiser
The heavy cruiser was a type of cruiser, a naval warship designed for long range and high speed, armed generally with naval guns of roughly 203 mm (8 inches) in caliber, whose design parameters were dictated by the Washington Naval Tr ...
in April 1942.
[Friedman, p. 148]
Notes
Bibliography
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Further reading
*{{Cite web, title=US Radar: Operational Characteristics of Radar Classified by Tactical Application, url=https://www.history.navy.mil/content/history/nhhc/research/library/online-reading-room/title-list-alphabetically/u/operational-characteristics-of-radar-classified-by-tactical-application.html, access-date=2022-02-18, publisher=Naval History and Heritage Command, language=en-US
Naval radars
World War II radars
Military equipment introduced from 1940 to 1944
Military radars of the United States