ARSR-4

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ARSR-4 Long Range 3D Radar Set - A Long Range 3D Radar set built by Westinghouse and integrated into the FAA Air Traffic Control (ATC) system and jointly used by the USAF for Air Defense as a part of the JSS System. Approximate cost was $6.5 million each, total program cost was $800 million with one half paid by USAF. Forty-four systems were purchased and installed. The first set was accepted in April 1996 at Tamiami, Florida. The last set was accepted at Ajo, Arizona in July 1999.

The ARSR-4 was envisioned to replace existing FPS-20/60 series vacuum-tube JSS System radar sets primarily located around the U.S. borders. The ARSR-4 was a solid state 3D radar with a limited ability to report aircraft altitudes

North Truro Air Force Station Site, FAA ARSR-4 Radar.

ARSR-4 3D Radar

ARSR-4 3D Radar
Element Value Notes
Nomenclature ARSR-4
Origins
Variants
Manufacturer Westinghouse
Type 3D
Number Made 44
IEEE Band L
Frequency 1215-1400MHz
PRF 216 Low Stack
72 High Stack
Pulse Width 150 us
Rotation Speed 5.0 RPM
Power 65kw Peak
3.5kw Avg.
Range 254nmi Long Range
Altitude 100k
Introduced 1996 First Accepted
ARSR-4 Functional Diagram.


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