Daily variability of HF propagation is caused in large part by solar energetic particle radiation carried by the solar wind, especially during the four years closest to solar minimum when x-ray and p
To add to this ... *THE SOLAR MINIMUM SUPERSTORM OF 1903:* Don't let Solar Minimum fool you. Superstorms are possible even during the "quiet" phase of the solar cycle. A new study just published in t
Thanks for this Mike. I never spend enough time on this site. Thanks for the reminder. 73 Fred KB4QZH -- Original message --From: Mike Waters <mikewate@gmail.com> Date: 7/30/20 6:44 PM (GMT-05:00) T