December 5, 2024

This Week in Amateur Radio

North America's Premiere Amateur Radio News Magazine

Via the ARRL: The K7RA Solar Update

Only four new sunspot groups emerged over the past week, one on
December 28, another on December 31, and two more on January 2 and
3.

Solar indices sank. The average daily sunspot number declined from
114.4 to 63.4, and average daily solar flux from 172.6 to 141.9.

Average daily planetary A index rose from 8.4 to 6.7 and middle
latitude numbers from 4 to 5.1.

Predicted solar flux over the next few wee…

Read more – via American Radio Relay League | Ham Radio Association and Resources http://www.arrl.org/news/view/the-k7ra-solar-update-811