AN/SPS-40 Air Search Radar
The AN/SPS-40 2D Air Search Radar provides target detection and tracking for long range surveillance, self defense, and fire control system designation. This long range 2 Dimensional radar feeds into the ship's IADT and provides operators with an excellent choice in varied weather conditions. As its name implies, this radar provides two dimensional data; range and bearing. Together these radars provide a layered detection system that is very effective against air and surface targets.
The AN/SPS-40 exploits the advantages of target detection at UHF band through state-of-the-art signal processing techniques. The solid state design and use of commercial off the shelf processor technology provide high performance and reliability at an affordable price. Key features include: low observable target detection; low vulnerability to Anti-Radiation Missiles (ARMs); impervious to weather clutter and chaff, excellent range resolution for multiple missile raids; exceptional improvement factor for overland/high sea state detection, and optional doppler processor for quick reaction track establishment and false track reduction.
In the late 1980s and early 1990s, during the New Threat Upgrade [NTU], the SPS-40 was replaced by an SPS-49 radar on many ships.
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