Big increase in solar activity this week, with average daily sunspot number rising from 129 to 215.9, and solar flux from 176.6 to 226.5.
Fourteen new sunspot groups emerged. Two were on July 11, one on July 12, three on July 13, one on July 14, two more on July 15, three more on July 16 and two more on July 17.
On Thursday (after the reporting week) the daily sunspot number was 276, the highes…
Read more – via ARRL: http://www.arrl.org/news/view/the-k7ra-solar-update-838
More Stories
via Amateur Radio Daily: Skywarn Youth Special Event is on the Air
Via AMSAT: ANS-082 AMSAT News Service Weekly Bulletins
via the ARRL: ARRL Ham Radio Open House Continues to Grow