The K7RA Solar Update

Discussion in 'ARRL News Feeds' started by American Radio Relay, Jan 11, 2019.

  1. 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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