December 14, 2024

This Week in Amateur Radio

North America's Premiere Amateur Radio News Magazine

Via the ARRL: The K7RA Solar Update

We saw a modest increase in solar activity in this reporting week, May 4-10.

Average daily sunspot numbers nudged up from 114 to 119.3, and average daily solar flux from 151.5 to 167.1

Average daily planetary A index changed from 13.6 to 15.1, and average middle latitude A index remained the same, 11.9.

Predicted solar flux is 160 on May 12-13, then 155, 150 and 150 on May 14-16, 145 on May 17…

Read more – via American Radio Relay League | Ham Radio Association and Resources http://www.arrl.org/news/view/the-k7ra-solar-update-777