"In 2009, cosmic ray intensities have increased 19% beyond anything we've seen in the past 50 years,"
Cosmic rays cause "air showers" of secondary particles when they hit Earth's atmosphere. They pose a health hazard to astronauts. And a single cosmic ray can disable a satellite if it hits an unlucky integrated circuit. [Source:Universe Today] What does it mean for radio propagation?
This morning I worked 3 stations on 40 meter with SSB: OZ/DL1EBR/P Axel from Fano Island, Denmark; GI3SG Martin from Belfast, Northern Ireland; and F8BDF Eugene from Le Vaudoue, France.