Communications

High Frequency Radio(HF)

Definition

A long-range radio communication system using frequencies between 2 and 30 MHz for voice communication over oceanic and remote areas beyond VHF range. Being supplemented by satellite communications.

Related Terms

Selective Calling System(SELCAL)

A system that alerts a specific aircraft crew when ATC needs to communicate over...

Controller-Pilot Data Link Communications(CPDLC)

A text-based communication system between ATC and pilots using data link instead...

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