May 25, 2024

This Week in Amateur Radio

North America's Premiere Amateur Radio News Magazine

Via the ARRL: The K7RA Solar Update

The numbers looked better during this reporting week, October 5-11.

Average daily sunspot numbers rose from 128.6 to 144.1, and average
solar flux from 155.6 to 159.1.

Average daily planetary A index went from 9.1 to 7.6, and average
middle latitude A index from 8.9 to 8.3.

For some reason the middle latitude numbers were not available from
Fredericksburg, Virginia so we used the data from Boulder, C…

Read more – via American Radio Relay League | Ham Radio Association and Resources