ATC equipment is used for air traffic communication, navigation, and surveillance. It ensures safety and efficiency in the operation of aircraft, organizes the flow of air traffic, and helps avoid collision of aircraft. ATC equipment allows air traffic controllers to communicate with pilots in aircraft, provides navigational services, and monitors and manages air traffic. Some types of the ATC equipment used for ATM are RDPDS, PSR, SSR, CTS, ILS, AMSS, and NDB. Along with an increase in global air traffic, and to meet future rising demand, ATC equipment is being upgraded from ground-based to satellite-based.

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