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  • Solar Flare

    04/17/2014 | The K7RA Solar Update

    Strong sunspot activity in recent days
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  • latest053113.jpg

    05/31/2013 | The K7RA Solar Update

    The average daily sunspot numbers sank nearly 50 points this week to 94.3, while the average daily solar flux was down more than 16 points to 117.8. The geomagnetic indices were quite high, due to a solar wind storm.
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  • latest022412

    02/24/2012 | The K7RA Solar Update

    We don’t know if this is a significant trend, but solar activity has really leveled off recently. But not everyone is unhappy about this. During the recent long minimum, 160 and 80 meter operators sang the praises of great conditions. In response to my “w
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  • latest0527

    05/27/2011 | The K7RA Solar Update

    Our Sun was certainly quieter this week. The average daily sunspot numbers were down nearly 17 points to 51.6, while the average daily solar flux declined nearly 9 points to 83.2. Sunspot numbers for May 19-25 were 36, 33, 44, 47, 37, 23 and 23, with a me
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  • latest050511

    05/06/2011 | The K7RA Solar Update

    Currently, there are seven sunspot groups that are visible. But even so, the average daily sunspot number is down more than 7 points over the past reporting week (April 28-May 4), when compared to the previous seven days. The average daily solar flux was
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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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