Primary Radar
Primary radar is a type of radar system that uses radio waves to detect and locate objects such as aircraft, ships, and vehicles. It works by emitting a radio signal that is reflected back to the radar antenna when it encounters an object in its path. The time it takes for the signal to return to the antenna is used to determine the distance to the object, while the direction of the reflected signal is used to determine its location. Primary radar is an important tool for air traffic control, as it allows controllers to track the position and movement of aircraft in real-time, even in poor weather conditions or when the aircraft's transponder is not functioning.
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