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Chương 3 Phân mạng HF
High Frequency Data Link, or HFDL, is part of ARINC’s GLOBALink end-to-end communication system
The HFDL system is a segment of the Aircraft Communications Addressing and Reporting System (ACARS) used to exchange Airline Operational Control (AOC) and Air Traffic Control (ATS) messagesbetween aircraft end systems and corresponding ground-based stations.
GLOBALink/HF provides HF-based, air-to-ground digital communications with aircraft using ARINC 635 protocol.
The HFDL system uses the principles of geographic diversity and frequency diversity to optimize HF propagation...
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