ARRL

Search for Amateur Radio News

  • 12/19/2009 | The K7RA Solar Update

    Sunspot activity continued this week; new group 1035 emerged December 14, following group 1034 that appeared December 9. Daily sunspot numbers since December 9 through December 17 have been 13, 13, 13, 12, 14, 28, 38, 30 and 24. Solar flux values have bee
    Learn More