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The Long Range Discrimination Radar (LRDR) in Alaska is part of the United States's Ground-Based Midcourse Defense anti-ballistic missile system. The main contractor is Lockheed Martin , under a US$ 784 million contract from the Missile Defense Agency in October 2015.
AN/FPS-19 long-range search radar; AN/FPS-20 20A, 20B; AN/FPS-23 fluttar radar; AN/FPS-24 long range search radar; AN/FPS-26 height finder radar; AN/FPS-27 Long Range search radar; AN/FPS-30 long-range search radar; AN/FPS-35 long range search radar; AN/FPS-41 meteorological radar; AN/FPS-49 Ballistic Missile Early Warning System (BMEWS ...
In the maritime role it provides long-range search, track-while-scan and continuous tracking and can designate targets for active missiles. For air-to-air combat, the RDM provides a 120° cone of coverage, the antenna scanning at either 50 or 100°/s, with ±60, ±30 or ±15° scan.
This system will also feature advanced long-range surveillance and fire control radars. [ 5 ] [ 2 ] The air defence system will be capable of detecting and destroying enemy assets like cruise missiles , stealth fighter jets, and drones at around 250 km range and larger aircraft like airborne early warning and control (AEW&CS) at a range of 350 ...
The frequency of radio waves used by most radars, in the form of microwaves, travel in straight lines.This generally limits the detection range of radar systems to objects on their horizon (generally referred to as "line of sight" since the aircraft must be at least theoretically visible to a person at the location and elevation of the radar transmitter) due to the curvature of the Earth.
The C-Band Radar Transponder (Model SST-135C) is intended to increase the range and accuracy of the radar ground stations equipped with AN/FPS-16, and AN/FPQ-6 Radar Systems. C-band radar stations at the Kennedy Space Center, along the Atlantic Missile Range, and at many other locations around the world, provide global tracking capabilities.
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The Air Route Surveillance Radar is a long-range radar system. It is used by the United States Air Force and the Federal Aviation Administration to control airspace within and around the borders of the United States. The ARSR-4 is the FAA's most recent (late 1980s, early 1990s) addition to the "Long Range" series of radars.