↳ ↑ Skywave concept

This page is part of the project "Understanding HF Propagation."
by Doron Tal, 4X4XM

Skywave, in radio communication, refers to HF radio waves refracted by the ionosphere, enabling long-distance transmission beyond the horizon. This phenomenon is essential for extended-range communication.

Propagation Modes

The project "Understanding HF Propagation" focuses on near-real-time indicators and explains what they mean. See the sitemap.


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Ham band conditions

HF propagation forecast

Ham radio solar weather

Current HF Band Conditions

Current ham band conditions

Current Ham radio conditions

Find Your Opening on the Map

Forecast ham band conditions

Current Ham Radio Propagation

Real time radio propagation map

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Current Ham Radio HF Propagation

HF Radio Propagation Search Terms

Current HF Band Conditions Online Map

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Real-time watching of worldwide ham activity

How does the sun affect radio communication?

Real-time watching of worldwide hams' activity

The Fascinating World of HF Skywave Propagation

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Current HF Band Conditions Maps For Radio Operators