The K7RA Solar Update

Discussion in 'ARRL News Feeds' started by American Radio Relay, Nov 8, 2019.

  1. Two new sunspot groups appeared this week, on two consecutive days, each lasting for only a day, with a daily sunspot number of 11 and 13 on Friday and Saturday of last week, just in time for ARRL CW Sweepstakes. Both sunspot groups had a magnetic polarity signature indicating Solar Cycle 25 and appeared after 4 weeks of no sunspots.

    Spaceweather.com reported both appearances as region AR2750, y...

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