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What is a key advantage of using HF radio in flight operations?

Higher quality signal

More available frequencies

Propagation over the horizon

A key advantage of using HF radio in flight operations is its ability to propagate over the horizon. HF radio waves can reflect off the ionosphere, allowing for communication over long distances without the need for line-of-sight transmission. This characteristic is particularly beneficial for aviation, as it enables pilots and air traffic controllers to maintain communication over vast oceanic areas and remote regions where other types of communication systems, such as VHF radio, may not be effective.

The ability for HF radio to provide long-range communication is crucial during transoceanic flights or in situations where aircraft are beyond VHF range. This capability helps ensure safety by maintaining contact between pilots and ground operations, even when flying in areas where conventional communication options are limited or unavailable.

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Cost-effectiveness

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