A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Country of origin | US |
---|---|
Manufacturer | Raytheon |
Introduced | 1953 |
No. built | ~35 |
Type | early warning |
Frequency | L-band, 1220 to 1350 MHz |
PRF | 400 pps |
Pulsewidth | 6 μs |
Range | 160 mi (260 km) |
Diameter | 75 ft (23 m) |
Azimuth | 360º |
Power | 500 kW x 2 |
The AN/FPS-19 was a long-range search radar developed for the NORAD Distant Early Warning Line (DEW Line) by Raytheon. It was an L-band system working between 1220 and 1350 MHz produced by a 500 kW magnetron. Two such systems were placed back-to-back, one with an antenna that produced a narrow beam to improve range for long-range detection, and the second with a wider fan-shaped beam to cover higher angles at shorter ranges. The former could detect bomber-sized targets to about 160 miles (260 km) and the latter covered up to 65,000 ft (20,000 m) altitude.
The system was developed from the AN/TPS-1, which dated to the late World War II era. Raytheon adapted it to the long-range role by designing much larger antenna systems and other modifications. The first examples were activated in 1957, along with the AN/FPS-23 radars that provided low-altitude coverage between the stations. The AN/FPS-23 was removed in 1963, and the FPS-19 was scheduled to be replaced by the somewhat more powerful AN/FPS-30. The declining role of bomber defense in the era of the intercontinental ballistic missile (ICBM) meant these upgrades were not carried out. The FPS-19 remained in service until the late 1980s when they were replaced by the AN/FPS-117 as part of the newly named North Warning System.
The UK equivalent was the AMES Type 80, a significantly more powerful radar that formed the basis of their post-ROTOR network.
Classification of radar systems
Under the Joint Electronics Type Designation System (JETDS), all U.S. military radar and tracking systems are assigned a unique identifying alphanumeric designation. The letters “AN” (for Army-Navy) are placed ahead of a three-letter code.[1]
- The first letter of the three-letter code denotes the type of platform hosting the electronic device, where A=Aircraft, F=Fixed (land-based), S=Ship-mounted, and T=Ground transportable.
- The second letter indicates the type of equipment, where P=Radar (pulsed), Q=Sonar, and R=Radio.
- The third letter indicates the function or purpose of the device, where G=Fire control, R=Receiving, S=Search, and T=Transmitting.
Thus, the AN/FPS-19 represents the 19th design of an Army-Navy “Fixed, Radar, Search” electronic device.[1][2]
References
This article incorporates public domain material from the Air Force Historical Research Agency
- ^ a b Avionics Department (2013). "Missile and Electronic Equipment Designations". Electronic Warfare and Radar Systems Engineering Handbook (PDF) (4 ed.). Point Mugu, California: Naval Air Warfare Center Weapons Division. p. 2-8.1.
- ^ Winkler, David F. (1997). "Radar Systems Classification Methods". Searching the Skies: The Legacy of the United States Cold War Defense Radar Program (PDF). Langley AFB, Virginia: United States Air Force Headquarters Air Combat Command. p. 73. LCCN 97020912.
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