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  • latest041411

    04/15/2011 | The K7RA Solar Update

    On Wednesday, April 13, the daily sunspot number reached a new high for Solar Cycle 24 when it hit 153. I looked back over this calendar year and saw that the previous high was 137 on March 8, 2011, 16 points lower than Wednesday. That week’s Solar Update
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  • latest040711

    04/08/2011 | The K7RA Solar Update

    Our Sun is still quite active, but sunspot numbers are down this week, when compared with the week before. The average daily sunspot numbers were down nearly 34 points to 68.3, while the average daily solar flux declined nearly 3 points to 111.8. But geom
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