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PPL » Flight Radio » Basic Radio Propagation

2.2 Basic Radio Wave Propagation

Propagation refers to the way something, like radio waves, light, and sound, travels or spreads through a medium, like the atmosphere. 

It's how those waves move from one place to another.


2.2.2 Describe the basic characteristics of High Frequency (HF) and Very High Frequency (VHF) in terms of:

(a) range;

HF waves

  • have a longer range compared to VHF waves.
  • They can travel longer distances by bouncing off the ionosphere, allowing communication over vast areas.

VHF waves

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