Weakened sunspots faded this week, and we were buffeted with more geomagnetic instability, but without the dramatic geomagnetic storms of the previous week. The average daily sunspot numbers fell more than 20 points to 12.1, and the average solar flux dropped nearly three points to 75.1. Sunspot numbers for April 8-14 were 23, 11, 11, 0, 14, 14 and 12, with a mean of 12.1. The 10.7 cm flux was 75.7, 76, 75, 74.6, 74.5, 74.9 and 75.1, with a mean of 75.1. The estimated planetary A indices...
More at http://www.arrl.org/news/the-k7ra-solar-update-108
More at http://www.arrl.org/news/the-k7ra-solar-update-108
