ARRL

Search for Amateur Radio News

  • K7RA Solar Update

    07/05/2013 | The K7RA Solar Update

    Does this summer hearld the peak of the current solar cycle?
    Learn More

  • K7RA Solar Update

    06/21/2013 | The K7RA Solar Update

    The K7RA Solar Update
    Learn More

  • K7RA Solar Update

    06/14/2013 | The K7RA Solar Update

    The K7RA Solar Update
    Learn More

  • K7RA Solar Update

    06/07/2013 | The K7RA Solar Update

    The K7RA Solar Update
    Learn More

  • latest051013.jpg

    05/10/2013 | The K7RA Solar Update

    This week, the average daily sunspot numbers remained about the same, with the number nudging up from 120.9 to 121.7, while the average daily solar flux numbers went from 136.5 to 137.5. For the past two weeks, the average planetary A index has been the s
    Learn More

  • SolarFlare042913.jpg

    05/03/2013 | The K7RA Solar Update

    Solar activity made a healthy jump over the past week, with the average daily sunspot numbers up more than 30 points to 120.9, while the average daily solar flux increased more than 27 points to 136.5.
    Learn More

  • latest041113

    04/12/2013 | The K7RA Solar Update

    Both the average daily sunspot numbers and the solar flux were up this week, with the sunspot numbers rising nearly 57 points to 138.1, and the average daily solar flux up more than 25 points to 138.8. Paired with the average daily planetary A index dropp
    Learn More

  • latest032113

    03/22/2013 | The K7RA Solar Update

    This past week, the average daily sunspot numbers were up 16.2 points to 101.1, while the average daily solar flux remained about the same, rising from 118.5 to 119. An eruption on March 15 caused a coronal mass ejection (CME) that hit Earth on March 17,
    Learn More