AN/SPS-49

The AN/SPS-49 is a two-dimensional air search radar room with great range. It comes from the U.S. company Raytheon and is on ships which is currently the most widely used radar of its kind

Development

The first prototype of the SPS - 49 was installed in 1965 aboard the destroyer USS Guyatt. Despite successful tests, the radar was not taken into series production, because at the same time an improved version of AN/SPS-40 had similar performance parameters, but was significantly cheaper. Thus began the development of the SPS -49 only from 1970 again. The first series system was installed aboard the USS Dale in 1976, but it will be is a modification of the original system. Over time, the radar was more than 200 times produced and used on a variety of ships, where it has replaced the radars of the type AN/SPS-37, AN/SPS-43 and AN/SPS-40. The SPS -49 is also frequently on beaches permanently installed to monitor the seaward directed airspace.

Description

The SPS -49 is a relatively large and bulky design. Through its extensive range of mechanical components, it was initially very susceptible (one failure every 60 hours). However, this problem was solved with the vorschreitenden development to a large extent, so that today's variants significantly trouble-free run (one failure every 300 hours). When the system was officially introduced, it already had very good for that time performance parameters, particularly in the areas of range, ECCM and clutter suppression. Also supersonic and low-flying targets with a small radar cross section (eg, anti-ship missiles ) could be detected at considerable distances. Several separate antennas for IFF interrogator and sidelobe suppression are also available. The system is modular in design from the beginning and equipped with a digital signal processing, which also has extensive self-diagnostic capabilities.

Variants

  • AN/SPS-49 (V ) 1: Basic version with MTI and sidelobe suppression.
  • AN/SPS-49 (V ) 2: No side lobe suppression for the MTI mode
  • AN/SPS-49 (V) 3: A (V) 1- system with a " radar video processor " (RVP )
  • AN/SPS-49 (V) 4: Modified (V) 2 system, also with new RVP
  • AN/SPS-49 (V ) 5: Variant with improved ECCM capabilities, automatic target recognition and digital interface. Was developed as part of the "New Threat Upgrade" program in the early 1980s.
  • AN/SPS-49 (V ) 6: A (V ) 3 system with improved cable shielding and a new cooling system
  • AN/SPS-49 (V ) 7: (V ) 5 variant with the (V ) 6 cooling system
  • AN/SPS-49 (V ) 9 MPU: In this variant, it is a major upgrade which significantly enhanced the performance of the radar. Improvements include greater ECCM capabilities, improved the detection of targets with low radar cross-section, improved clutter suppression and reduced response times.
  • AN/SPS-49A (V ) 1: Developed in the 1990s. Includes a further uprated clutter suppression and various improvements to the electronics. All SPS -49 radars of the U.S. Navy are brought to this standard.

Platforms

  • Frigates: Oliver Hazard Perry class, ANZAC class, Halifax- class
  • Cruiser: Ticonderoga class Leahy class, Belknap - class, USS Long Beach
  • Destroyer: Farragut class
  • Battleships: Iowa - class
  • Aircraft carrier: Nimitz - class Wasp - class USS Enterprise, Forrestal class, Midway class
  • Ships for amphibious warfare: Tarawa class, Whidbey - Iceland - class Harpers Ferry - class

Specifications

  • Weight ( over / under deck) SPS -49 (V ) 1: 1456 kg / 6255 kg
  • SPS -49 (V ) 5: 1425 kg / 6325 kg
  • 3.4 ° horizontal
  • 11 ° vertical
Electronic Counter Counter Measures Clutter (Radar) Identification friend or foe Moving Target Indication Electromagnetic shielding Aegis Combat System Anzac-class frigate Halifax-class frigate Ticonderoga-class cruiser Leahy-class cruiser Belknap-class cruiser Iowa-class battleship Nimitz-class aircraft carrier Wasp-class amphibious assault ship Forrestal-class aircraft carrier Midway-class aircraft carrier Whidbey Island-class dock landing ship Harpers Ferry-class dock landing ship Electromagnetic spectrum Antenna gain
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