Skip to main content
HF RadioNewsPropagation

New Propagation forecast Charts for February 2025 to April 2025 have now been published!

By januari 20, 2025Comments1 min read

Using the most appropriate HF radio frequency is crucial when establishing contact with STORADIO. The HF Propagation Forecast will help you select the best HF frequency based on the time of day or night, atmospheric conditions, and geographic location. These charts show the most suitable HF frequency for communication with us.

Choose the chart closest to your geographical location.

You’ll find it here: storadio.aero/propagation

General rules:

  • The higher the sun, the higher the frequency.
  • The lower the sun, the lower the frequency.
  • The longer the distance, the higher the frequency.
  • The shorter the distance, the lower the frequency.