The K7RA Solar Update

Discussion in 'ARRL News Feeds' started by American Radio Relay, Jan 24, 2020.

  1. No sunspots appeared over this reporting week (January 16-22) and on January 22 Spaceeweather.com reported currently the consecutive period of spotless days is 11. But all recent sunspots have had Cycle 25 polarity.

    Average daily solar flux reported in last week’s bulletin was 72.5, and this week it was 71.2.

    Average daily planetary A index went from 5.6 to 4.1, and the middle latitude A index ch...

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