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AN/APY-9

Military radar From Wikipedia, the free encyclopedia

AN/APY-9
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The AN/APY-9 Radar is an Active Electronically Scanned Array (AESA) pulse Doppler UHF-band multi-mode radar developed and manufactured by Lockheed Martin for the E-2D 'Advanced Hawkeye'.

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In accordance with the Joint Electronics Type Designation System (JETDS), the "AN/APY-9" designation represents the 20th design of an Army-Navy airborne electronic device for surveillance and control radar equipment. The JETDS system also now is used to name all Department of Defense electronic systems.

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Capabilities

The AN/APY-9 Radar is designed for Airborne Early Warning and Control operations onboard the E-2D 'Advanced Hawkeye', guiding both surface fleet and airborne assets of the United States Navy. It was designed to detect, track, and identify air and surface targets in blue-water, littoral, and overland environments, and is capable of guiding munitions launched by other ships and aircraft through datalink.[1][2]

The radar system is capable of operating in multiple modes to track different classes of target in a 360° environment using mechanical scanning modes, or providing augmented tracking in 90° sectors by utilizing its AESA capabilities.[3]

The system is all-weather, and can utilize its 'Space-Time Adaptive Processing (STAP)' architecture to suppress jamming, clutter or other sources of electromagnetic interference.[3]

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Composition

The radar antenna consists of a group of horizontally polarized Yagi antennas of different lengths and High Power Solid-State transmitters, open architecture and Circuit Card Assembly hardware architecture.[3][4]

Specifications

  • Frequency: 0.3–3.0 GHz (0.999–0.100 m)[3]
  • Search Environment: 360°[3]
  • Mechanical Rotation: 6 rpm[4]
  • Diameter: 24 ft (7.3 m)[4]
  • Search Range: Approximately 350 NM (650 km)[4]

References

See also

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