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The K7RA Solar Update

Discussion in 'ARRL Updates' started by ARRL, Jan 12, 2019.

  1. ARRL

    ARRL Well-Known Member

    Joined:
    Nov 15, 2008
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    In this reporting week, January 3-9, average daily sunspot number increased from 4.1 to 7.7. Average daily solar flux increased from 70.4 to 71.6.

    Average daily planetary A index went from 9.3 to 7.4, and average mid-latitude A index went from 7.6 to 6.1.



    Predicted solar flux for the next 45 days appears to mostly toggle between two values, 70 and 71, with one exception. Predicted solar flux is 6...

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