-
08/12/2011 | The K7RA Solar Update
The average daily sunspot numbers declined more than 24 points to 75.1 this week, while the average daily solar flux was down more than 12 points to 104.3. We saw solar flares recently, with a substantial geomagnetic upset on Friday and Saturday -- August
Learn More -
01/15/2010 | The K7RA Solar Update
The recent sunspot activity that we've been experiencing remains strong. The weekly averages of daily sunspot numbers that we've been reporting over the past six weeks were 1.9, 21.1, 31.4, 21.9, 14.6 -- and now 26.4.
Learn More -
01/08/2010 | The K7RA Solar Update
Recent sunspot activity is increasing, and the numbers bear this out. The average daily sunspot number for 2009 was 5 and the average for 2008 was 4.7.
Learn More
Search for Amateur Radio News
