ARSR-2

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ARSR-2 Long-Range Search Radar Set - A long-range ground search radar set built by Raytheon for the Federal Aviation Administration (FAA). First deployed about 1960.

ARSR-2 Search Radar

The ARSR-2 was an long-range L-band (1215- 1400 MHz) air-route-surveillance radar built by Raytheon for the FAA. Eighteen ARSR-2s were deployed by the FAA starting about 1960. The ARSR-2 was used as a surveillance system to detect azimuth and range of en route aircraft operating between FAA terminal areas. The ARSR-2 was an upgrade of the ARSR-1 and also used a conventional magnetron feeding 400 kW peak power into an amplitron to provide an additional 10 dB gain.

ARSR-2 Upgrades

The ARSR-2 was based on a 1960s vintage radar that has been updated through Service Life Extension Program (SLEP).

The ARSR-2 was integrated with a collocated ATCBI-6 and Mode S beacon to provide correlated target output data. These systems were owned by DOD with maintenance support from the FAA.

The ARSR-2 could also be interfaced to a collocated Common Digitizer Model 1/2 (CD-1/CD-2) or other digital processors which provided digitized output.

By 2015 all of the operating ARSR-2s had been further transformed into Common Air-Route-Surveillance (CARSR) radars with additional solid state components that would extend the supportable life of the set into 2025.


ARSR-2 Search Radar
Element Value Notes
Nomenclature ARSR-2
Origins ARSR-1
Variants
Manufacturer Raytheon
Type Search
Number Made 18
IEEE Band L
Frequency 1215-1350 MHz
PRF 360 Hz
Pulse Width 2 us
Rotation Speed 5 rpm
Antenna
Power 4 MW
2.9 KW
Peak
Average
Range 200 nmi long range
Altitude 61,000
Introduced 1960


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