↑ What is the Current Minimum Usable Frequency?

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

The minimum usable frequency is the lowest frequency that can be reliably used for skywave communication during daytime. It is affected by various factors, including ionospheric conditions, time of day, and location.

The most reliable tool to determine the current LUF for a specific region is the D-Rap model.

For further explanation, please visit: Daytime Lowest Usable Frequency (LUF).

The project "Understanding HF Propagation" provides a detailed overview and tutorials on HF propagation.
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