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Solar updates


Last Modified:
Apr 8, 2012 @ 07:34 pm
      

ARRL News Feed

The K7RA Solar Update

The average daily sunspot numbers for the past week rose nearly 25 points, or about 27 percent, to 117.3. The big day was Monday, May 14 when the daily sunspot number jumped to 156. This was the day after four new sunspot groups, numbered 1481 through 1484 arrived. Sunspot numbers for May 10-16 were 93, 102, 85, 138, 156, 125 and 122, with a mean of 117.3. The 10.7 cm flux was 130.7, 136.4, 129...

Enter the Seventh Annual ARRL Photo Contest!

Have you ever wanted to see a photo of yours in QST, the annual ARRL Amateur Radio Calendar or another ARRL publication? Well, here’s your chance! If you’re among the winners, not only will your photographic skill be propagated far and wide, but we’re offering $100 as the First Prize. The winning photo and three runners-up will be published in QST. All submitted photos will also be considered f...

Surfin’: Old Magazines and More Ducks

By Stan Horzepa, WA1LOU
Contributing Editor

This week, Surfin’ tries to unclutter the house and learns about more open source software.

Old Magazines Fill My House

I have copies of every issue of QST going back to the mid-1960s, when I first became interested in ham radio. In addition to QST, I also have mass quantities of QEX, NCJ, CQ, Ham Radio, 73, Popular Communications and numerous other radio...

CQ Announces 2012 Hall of Fame Inductees

CQ magazine announced its 2012 Hall of Fame inductees on May 18, welcoming 16 new members into the CQ Amateur Radio Hall of Fame, three new members of the CQ DX Hall of Fame and two new members of the CQ Contest Hall of Fame.

The CQ Amateur Radio Hall of Fame honors those individuals, whether licensed hams or not, who have made significant contributions to Amateur Radio, as well as those amateur...