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  • Friday, December 2, 2011

    The K7RA Solar Update

    Solar Cycle 24 continues its upturn. We have a new high for the trailing three month daily sunspot number average. Starting with the three month period ending in December 2010 and going through November 2011, they were 30.1, 35.3, 55.7, 72.3, 74.4, 65.9, 61.5, 63, 79.6, 98.6 and 118.8. There hasn’t been a three month period with average daily sunspot numbers above 118.8 since way back in June, ...


    Via ARRL - Read the full Article