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Radar is a system that uses radio waves to determine the distance (), direction (azimuth and elevation angles), and radial velocity of objects relative to the site. It is a radiodetermination method [1] used to detect and track aircraft, ships, spacecraft, guided missiles, motor vehicles, map weather formations, and terrain.
A. AI Mark IV radar; AI Mark VIII radar; AI.20 radar; AI.24 Foxhunter; Air-to-Surface Vessel radar; Airborne early warning and control; Airborne Interception radar
Radar, GL, No. 1, Mk I – Anti-aircraft gun laying radar [46] Radar, GL, No. 1, Mk I E/F – Anti-aircraft gun laying radar with elevation finder [46] Radar, GL, No. 1, Mk II – Anti-aircraft gun laying radar [46] Radar, AA, No. 2, Marks I through VII were a 1.5 metre wavelength Searchlight Control (SLC) radar known as 'Elsie'. The only ...
Radar proximity fuzes are attached to anti-aircraft artillery shells or other explosive devices, and detonate the device when it approaches a large object. They use a small rapidly pulsing omnidirectional radar, usually with a powerful battery that has a long storage life, and a very short operational life.
In 1960, it became required for aircraft flying in certain areas to carry a radar transponder that identified the aircraft and helped improve radar performance. Since 1966, the responsible agency has been called the Federal Aviation Administration (FAA).
Aircraft interception radar, or AI radar for short, [1] is a British term for radar systems used to equip aircraft with the means to find and track other flying aircraft. [2] These radars are used primarily by Royal Air Force (RAF) and Fleet Air Arm night fighters and interceptors for locating and tracking other aircraft, although most AI ...
The air traffic control radar beacon system (ATCRBS) is a system used in air traffic control (ATC) to enhance surveillance radar monitoring and separation of air traffic. It consists of a rotating ground antenna and transponders in aircraft. The ground antenna sweeps a narrow vertical beam of microwaves around the airspace. When the beam ...
All aircraft are required to carry an automated microwave transceiver called a transponder. The secondary radar is a rotating flat antenna, often mounted on top of the primary radar dish, which transmits a narrow vertical fan-shaped microwave beam on a frequency of 1030 MHz in the L band with peak power of 160 - 1500 W. When it is interrogated ...