ARRL

Register Account

Login Help

Search for Amateur Radio News

  • Solar Flare

    01/16/2015 | The K7RA Solar Update

    Sunspot numbers and solar flux rise again
    Learn More

  • latest040711

    04/08/2011 | The K7RA Solar Update

    Our Sun is still quite active, but sunspot numbers are down this week, when compared with the week before. The average daily sunspot numbers were down nearly 34 points to 68.3, while the average daily solar flux declined nearly 3 points to 111.8. But geom
    Learn More

EXPLORE ARRL

Instragram     Facebook     Twitter     YouTube     LinkedIn