AN/SPS-29 is a two-dimensional (giving only Range and Bearing) radar that was manufactured by General Electric. It was used by the US Navy as an early warning radar after World War II, and was equipped aboard naval ships during the Cold War. Variants include AN/SPS-29A, AN/SPS-29B, AN/SPS-29C, AN/SPS-29D and AN/SPS-29E. After modernization, it was redesignated as AN/SPS-37.
During World War II, the U.S. Navy started with CXAM, which was commissioned in 1940, as an air search radar for large ships such as battleships and aircraft carriers. They have deployed radars that use bands (then called VHF).
In the 1950s, post-war generation radars using the same frequency band were required, and the AN/SPS-17 developed by General Electric was first adopted for large ships, and since 1957. Delivery has started. In addition, AN/SPS-28 developed by Westinghouse using the same antenna was also adopted for destroyers, and delivery began in the same year. However, although the antenna is common, the peak power of AN/SPS-17 was 750 kW (1.5 MW depending on the version), while that of AN/SPS-28 was 250 kW, which is a considerable difference. Therefore, it was inferior in detection ability. For this reason, this machine was developed with the goal of exhibiting the same weight as the AN/SPS-28 and the same performance as the AN/SPS-17.[1]
Designedit
As the antenna, a mattress type is adopted like AN/SPS-28, and the dipole antennas are arranged in 7 rows x 4 stages, and the AS- with the antenna of the identification friend or foe (IFF) incorporated in the upper part. A 943 antenna was used. However, AN/SPS-29D uses a smaller antenna.
In AS-943, these dipole antennas were arranged at a distance of half the wavelength in the vertical and horizontal directions, and at a distance of one-fourth of the wavelength from the planar reflector. The beam width is 20 x 25.5 °, which is not much different from the AN/SPS-28's 19 x 27 °, but the pulse width is significantly longer from 4 microseconds to 10 microseconds. To compensate for this decrease in distance resolution, the number of pulse repetitions increased from 150 pps to 300 pps.[2]
This machine was continuously improved in the order of AN/SPS-29A, AN/SPS-29B, and AN/SPS-29C, and AN/SPS-29D with a smaller antenna was also manufactured for the United States Coast Guard.
It then evolved into AN/SPS-37, which introduced pulse compression technology, and AN/SPS-43, which had enhanced electronic protection capabilities. However, due to its long wavelength and low resolution, it was replaced by radar with shorter wavelengths than AN/SPS-40, and disappeared in the US Navy due to the retirement of the on board ship.
It was widely used overseas as well as on board ships (mainly Sumner-class / Gearing-class destroyers), but it also disappeared with the retirement of the onboard ships.
Self-Defense Force Equipment Yearbook 2006-2007. Asaun News Agency. ISBN 4-7509-1027-9
October 28, 2023
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AN SPS 29 is a two dimensional giving only Range and Bearing radar that was manufactured by General Electric It was used by the US Navy as an early warning radar after World War II and was equipped aboard naval ships during the Cold War Variants include AN SPS 29A AN SPS 29B AN SPS 29C AN SPS 29D and AN SPS 29E After modernization it was redesignated as AN SPS 37 AN SPS 29AN SPS 29 aboard a USS MitscherCountry of originUnited StatesManufacturerGeneral ElectricIntroducedOctober 1958No built89Type2DFrequencyVHF BandPRF300 HzBeamwidth20 Range500 km 270 nmi AzimuthUnlimitedPower250 kW Contents 1 AN SPS 29 1 1 Design 1 2 On board ships 1 2 1 United States 1 2 2 Japan 2 AN SPS 37 2 1 On board ships 2 1 1 United States 3 See More 4 Citations 5 ReferencesAN SPS 29 editDuring World War II the U S Navy started with CXAM which was commissioned in 1940 as an air search radar for large ships such as battleships and aircraft carriers They have deployed radars that use bands then called VHF In the 1950s post war generation radars using the same frequency band were required and the AN SPS 17 developed by General Electric was first adopted for large ships and since 1957 Delivery has started In addition AN SPS 28 developed by Westinghouse using the same antenna was also adopted for destroyers and delivery began in the same year However although the antenna is common the peak power of AN SPS 17 was 750 kW 1 5 MW depending on the version while that of AN SPS 28 was 250 kW which is a considerable difference Therefore it was inferior in detection ability For this reason this machine was developed with the goal of exhibiting the same weight as the AN SPS 28 and the same performance as the AN SPS 17 1 Design edit As the antenna a mattress type is adopted like AN SPS 28 and the dipole antennas are arranged in 7 rows x 4 stages and the AS with the antenna of the identification friend or foe IFF incorporated in the upper part A 943 antenna was used However AN SPS 29D uses a smaller antenna In AS 943 these dipole antennas were arranged at a distance of half the wavelength in the vertical and horizontal directions and at a distance of one fourth of the wavelength from the planar reflector The beam width is 20 x 25 5 which is not much different from the AN SPS 28 s 19 x 27 but the pulse width is significantly longer from 4 microseconds to 10 microseconds To compensate for this decrease in distance resolution the number of pulse repetitions increased from 150 pps to 300 pps 2 nbsp AN SPS 29 aboard USS ProvidenceOn board ships edit nbsp United States edit Essex class aircraft carrier Galveston class cruiser Providence class cruiser nbsp AN SPS 29 aboard JDS Amatsukaze USS Atalanta Charles F Adams class destroyer Coontz class destroyer Farragut class destroyer Forrest Sherman class destroyer Mitscher class destroyer Gearing class destroyer FRAM Allen M Sumner class destroyer FRAM Fletcher class destroyer FRAM Hamilton class cutter Guardian class radar picket ship nbsp Japan edit JDS AmatsukazeAN SPS 37 editThis machine was continuously improved in the order of AN SPS 29A AN SPS 29B and AN SPS 29C and AN SPS 29D with a smaller antenna was also manufactured for the United States Coast Guard It then evolved into AN SPS 37 which introduced pulse compression technology and AN SPS 43 which had enhanced electronic protection capabilities However due to its long wavelength and low resolution it was replaced by radar with shorter wavelengths than AN SPS 40 and disappeared in the US Navy due to the retirement of the on board ship nbsp AN SPS 37 aboard USS IntrepidIt was widely used overseas as well as on board ships mainly Sumner class Gearing class destroyers but it also disappeared with the retirement of the onboard ships On board ships edit nbsp United States edit Essex class aircraft carrier Independence class aircraft carrier USS Norfolk Baltimore class cruiser Providence class cruiser Forrest Sherman class destroyer Mitscher class destroyer Gearing class destroyer FRAM Allen M Sumner class destroyer FRAM Fletcher class destroyer FRAM Guardian class radar picket shipSee More edit nbsp Wikimedia Commons has media related to AN SPS 29 List of radars Radar configurations and types Early warning radarCitations edit Friedman Norman 1981 Naval Radar Naval Institute Press ISBN 9780870219672 Friedman Norman 1997 The Naval Institute guide to world naval weapon systems 1997 1998 Naval Institute Press ISBN 9781557502681 References editNorman Friedman 2006 The Naval Institute Guide to World Naval Weapon Systems Naval Institute Press ISBN 9781557502629 ja Self Defense Force Equipment Yearbook 2006 2007 Asaun News Agency ISBN 4 7509 1027 9 Retrieved from https en wikipedia org w index php title AN SPS 29 amp oldid 1174092345, wikipedia, wiki, book, books, library,
