The K7RA Solar Update

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

  1. No sunspots appeared over the past week, and in the prior week there were only two days with sunspots, so average daily sunspot number declined from 3.1 to 0.

    Average daily solar flux nudged higher, but just barely, from 67.6 to 67.8.

    Geomagnetic indicators were much lower this week, with average daily planetary A index retreating from 14.4 to 6.3, while the mid-latitude average went from 11 to 5...

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