HF PropagationWhen we say "HF Propagation", we mean high frequency radio waves, which typically range from 3 MHz to 30 MHz. These radio waves are used for long-distance communication over hundreds to thousands of kilometers, via the ionosphere (skywaves). Read more about HF Propagation. See also an index for HF Radio Propagarion. |
The Understanding HF Propagation Project offers radio amateurs a comprehensive overview and tutorials on various topics related to HF propagation.