ARRL

Search for Amateur Radio News

  • Solar Flare

    07/01/2013 | Strong Geomagnetic Storm Enlivens The Magic Band

    It was a hot time on 6 meters!
    Learn More

  • solar disk

    06/29/2013 | Strong Geomagnetic Storm in Progress

    HF conditions may be poor or unsettled for the next several days.
    Learn More

  • latest053113.jpg

    05/31/2013 | The K7RA Solar Update

    The average daily sunspot numbers sank nearly 50 points this week to 94.3, while the average daily solar flux was down more than 16 points to 117.8. The geomagnetic indices were quite high, due to a solar wind storm.
    Learn More

  • latest040513.jpg

    04/05/2013 | The K7RA Solar Update

    Solar activity increased over this past week, with the average daily sunspot numbers up 32 points to 81.6, while the average daily solar flux increased more than 16 points to 113.4. The geomagnetic field was active on March 29 due to solar wind.
    Learn More

  • latest011713

    01/18/2013 | The K7RA Solar Update

    Solar activity pulled back over the past week, following a stellar performance in the week prior. The average daily sunspot numbers were down 34.3 points to 129, but the average daily solar flux actually rose 9.7 points to 157.4.
    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

  • latest101212

    10/12/2012 | The K7RA Solar Update

    There was another decline in sunspot activity this week, but based on activity over the past few days, combined with the projected solar flux values, it is making a steady recovery.
    Learn More

  • latest060812

    06/08/2012 | The K7RA Solar Update

    The average daily sunspot numbers increased about 60 percent during the past week (May 31-June 6), when compared to the previous seven days (May 24-30). The increase was 48.5 points, from 81.9 to 130.4. The average daily solar flux was also up: 18.6 point
    Learn More