The AN/SPS-40 is a
United States Navy
The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
two-dimensional, long range air search
radar
Radar is a detection system that uses radio waves to determine the distance (''ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, w ...
that is capable of providing contact bearing and range. It was used on s, s, s, s, s, s, s, s, s, s and many other ship classes. Its "basket" antenna with the over-the-top feed line was a familiar sight throughout the Navy even into the late 1980s. It was replaced by the
AN/SPS-49
The AN/SPS-49 is a United States Navy two-dimensional, long range air search radar built by Raytheon that can provide contact bearing and range. It is a primary air-search radar for numerous ships in the U.S. fleet and in Spain, Poland, Taiwan abo ...
on newer ships and on ships that received the
New Threat Upgrade
New Threat Upgrade (NTU) was a United States Navy program to improve and modernize the capability of existing cruisers and destroyers equipped with Terrier and Tartar anti-aircraft systems, keeping them in service longer.
The Program
was selec ...
.
The SPS-40, being a vacuum tube design, was notoriously sensitive to the vibration from shipboard gunfire. A later redesign into a largely solid-state system not only improved its performance (cutting the number of cabinets by more than half) also featured one of the best MTI (Moving Target Indicator) units in the fleet - a rarity in the early 1970s.
Onboard ships
United States
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Australia
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Gallery
File:USS Raleigh (LPD-1) SPS-40 radar.jpg, AN/SPS-40 antenna on
File:USS Raleigh (LPD-1) SPS-40 radar 2.jpg, Another view of the same antenna on ''Raleigh''
See also
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List of radars
A radar is an electronic system used to determine and detect the range of target and maps various types of targets.This is a list of radars.
Argentina
Australia
Brazil
Egypt
Europe
India Military
Airborne
*LCA MMR - 3D advanced, ligh ...
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Electronics Technician
Electronics technicians help design, develop, test, manufacture, install, and repair electrical and electronic equipment such as communication equipment, medical monitoring devices, navigational equipment, and computers. They may be employed i ...
External links
GlobalSecurity AN/SPS-40- via Tpub
Sea radars
Military radars of the United States
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