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The world's Air Traffic Control system still uses components defined in the 1940s following the 1944 meeting in Chicago which launched the creation of the International Civil Aviation Organisation (ICAO) [1]. This traditional ATC system uses analog radio systems for aircraft Communications, Navigation and Surveillance (CNS). AFTN is a good example for legacy ATC system. The major part of data message...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.