ARRL

Register Account

Login Help

Search for Amateur Radio News

  • solar flare

    11/06/2015 | K7RA Solar Update

    Unsettled conditions in the forecast for CW Sweepstakes
    Learn More

  • Solar Flare

    01/31/2014 | The K7RA Solar Update

    Another week of solar ambiguity
    Learn More

  • latest021513.jpg

    02/15/2013 | The K7RA Solar Update

    Solar activity continues at the low levels that we have seen in the past few weeks. The sunspot numbers have been remarkably consistent, with the average daily numbers for the weeks since January 17 at 56.4, 55.7, 50.7 and finally 51.3 for this past week.
    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

  • latest061412

    06/15/2012 | The K7RA Solar Update

    Solar activity was lower this week, although for the past few days, both the sunspot numbers and solar flux were rising. The average daily sunspot numbers declined more than 14.3 points to 116.1, while the average daily solar flux was off by 14.5 points t
    Learn More

  • latest030812

    03/09/2012 | The K7RA Solar Update

    This has been quite a week for dramatic solar activity. The average daily sunspot number was up nearly 26 points to 69.4, while the average daily solar flux rose nearly 17 points to 121.9 for the period March 1-7. Sunspot numbers for March 1-7 were 24, 24
    Learn More

EXPLORE ARRL

Instragram     Facebook     Twitter     YouTube     LinkedIn