07/21/2012 | The K7RA Solar Update
In last week’s Solar Update, we reported a blast of energy from a solar flare headed our way, predicted to arrive on Saturday, July 14. The CME hit at 1800 UTC, and it had a huge effect on propagation and geomagnetic indices.
08/05/2011 | The K7RA Solar Update
Solar activity markedly increased this week, with the sunspot number rising to 130 on Monday, August 1 -- the highest since a reading of 131 on April 14, 2011. The average daily sunspot numbers more than doubled this week compared to last, rising nearly 5