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  • latest091511

    09/16/2011 | The K7RA Solar Update

    Although the average daily sunspot numbers are lower -- down nearly 13 points to 91.7 -- the average daily solar flux is higher by 6.7 points, rising to 122.2. Yes, solar activity is rising rapidly. You could see it coming earlier this week by glancing at
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  • latest090811

    09/09/2011 | The K7RA Solar Update

    The solar indicators were up again this week, with the average daily sunspot numbers increasing nearly 21 points to 104.3, while the average daily solar flux rose nearly 12 points to 115.5. Geomagnetic numbers were up as well, with the most active geomagn
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  • latest090111

    09/02/2011 | The K7RA Solar Update

    Sunspot activity rose again this week, with the average daily sunspot number up nearly 18 points to 83, but the geomagnetic indices -- both planetary and mid-latitude -- were each down slightly. The high sunspot number for the week was 121, recorded on We
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  • latest082511

    08/26/2011 | The K7RA Solar Update

    Solar activity rose this week, with the average daily sunspot number rising more than 40 points to 66 points, while the average daily solar flux rose more than 13 points to 101.9. Sunspot numbers for August 18-24 were 53, 46, 59, 66, 82, 81 and 75, with a
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  • latest081811

    08/19/2011 | The K7RA Solar Update

    Solar activity was down again this week. The sunspot number on Sunday, August 14 went all the way to 0 for the first time since January 27, which was 29 weeks ago. The average daily sunspot numbers declined nearly 50 points, to 25.6, while the average dai
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  • latest081111

    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
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  • latest080411

    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
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  • latest072811

    07/29/2011 | The K7RA Solar Update

    Sunspot activity dipped over this past week, but now it on its way back up. On July 20, five sunspot groups were visible, but on July 21, only groups 1251, 1254 and 1259 remained. On July 24, new sunspot group 1260 appeared, and the next day, 1251 disappe
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