ARRL

Search for Amateur Radio News

  • Solar Flare

    10/11/2013 | The K7RA Solar Update

    Solar flux is expected to remain above 100 for the next 45 days.
    Learn More

  • Solar Flare

    09/20/2013 | The K7RA Solar Update

    The Sun continues to be relatively quiet
    Learn More

  • Solar Flare

    07/12/2013 | The K7RA Solar Update

    Another unsettled week ahead
    Learn More

  • K7RA Solar Update

    06/14/2013 | The K7RA Solar Update

    The K7RA Solar Update
    Learn More

  • latest112612

    11/26/2012 | The K7RA Solar Update

    In November 16 edition of the Solar Update, we reported that the average daily sunspot number on November 8-14 was 104.9. In the next seven day reporting period -- November 15-21 -- the average was 126.9, making for a nice increase; with solar flux, the a
    Learn More

  • latest111612

    11/16/2012 | The K7RA Solar Update

    There has been an exciting and dramatic rise in sunspot activity this week. The daily sunspot number was 188 on Monday, November 12 -- higher than it has been in more than a year.
    Learn More

  • latest110812

    11/09/2012 | The K7RA Solar Update

    Solar activity retreated again this week, with the average daily sunspot numbers declining 8.7 points to 49.7, while the average daily solar flux was down nearly 20 points to 97.2.
    Learn More

  • latest101812

    10/19/2012 | The K7RA Solar Update

    Sunspot activity rose this week, with the average daily sunspot numbers up more than 45 points to 97, while the average daily solar flux rose more than 24 points to 129.2.
    Learn More