CASA AROC Practice Questions - CASA Aeronautical Radio Operator Certificate (AROC) Exam

What is the primary propagation characteristic of VHF (Very High Frequency) aviation radio signals?

They propagate along the curvature of the earth as ground waves. They travel in straight lines and are limited to line-of-sight range. They are reflected back to Earth by the ionosphere as sky waves. They penetrate terrain and buildings without any signal loss.

Correct Answer:

They travel in straight lines and are limited to line-of-sight range.

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