Westinghouse AN/FPS-27 Radar

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AN-FPS-27 Radar.jpg
Westinghouse AN/FPS-27 Radar
Country of origin United States
Introduced 1963 (1963)
Type Surveillance and heightfinding
Frequency 2322 to 2670 MHz
Range 220 nmi (410 km; 250 mi)
Altitude 150,000 ft (46,000 m)

The AN/FPS-27 Radar was a Long Range search radar used by the United States Air Force Air Defense Command.

Westinghouse built an FD search radar designed to operate in the S-band at 2322 to 2670 MHz. The radar was designed to have a maximum range of 220 nmi (410 km; 250 mi) and search to an altitude of 150,000 ft (46,000 m).

System problems required several modifications at the test platform located at Crystal Springs, Mississippi. Once these problems were solved, the first of twenty units in the continental United States became operational at Charleston, Maine, in 1963. The last unit was installed at Bellefontaine, Ohio, a year later.

In the early 1970s, AN/FPS-27 radar stations that had not been shut down received a modification (solid state circuitry replacing vacuum tubes) that improved reliability and saved on maintenance costs.


 This article incorporates public domain material from websites or documents of the Air Force Historical Research Agency.

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