Average daily sunspot numbers declined, but average daily solar flux increased. Sunspot averages were 181.9 last week, and 130.6 this week. Average daily solar flux increased from 179.4 to 190.5.
Two new sunspot groups emerged on July 14, three more on July 17 and another two on July 19.
Average daily planetary and middle latitude A index were both 12.9 this week, rising from 8.6 and 8.1.
Pre…
Read more – via American Radio Relay League | Ham Radio Association and Resources http://www.arrl.org/news/view/the-k7ra-solar-update-787
More Stories
Via AMSAT: ANS-274 AMSAT News Service Weekly Bulletins
The impact of solar eclipses on the structure and dynamics of Earth’s upper atmosphere
Via the ARRL: Celebrating 50 Years of the ARRL Foundation