Radio Amateur Websites on HF Propagation

Exploring HF (High Frequency) propagation is essential for amateur radio enthusiasts aiming to optimize long-distance communications. Here are some reputable resources offering comprehensive explanations and practical insights into HF propagation:

  1. Understanding HF Skywave Propagation by 4X4XM
    This resource provides a detailed overview of electromagnetic waves, radio properties, the electromagnetic spectrum, and reports and forecasts of HF bands propagation conditions.
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  2. HF Surface Wave Propagation (Ground Wave) by VU2NSB
    This article delves into surface wave propagation, especially pertinent to lower HF bands like the 160m band. It explains how ground waves enable communication beyond the visual horizon.
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  3. Help me define the HF Geek's Guide to Working the Shortwave Bands by KB6NU
    This article outlines topics such as the magic of shortwave, amateur HF bands, basics of HF propagation, and more, providing a structured approach to understanding HF operations.
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  4. Interview With John Harder, NG0E by K0LWC on Youtube
    This video offers an excellent demonstration of HF propagation tools, providing practical understanding of HF propagation.