Solar indices and outlook are stronger this week. Average daily sunspot numbers rose 19.7 points to 114.6, while average daily solar flux increased 25.7 points to 138.8. Average daily estimated planetary A index dropped from 7.4 to 4.3. This compares the August 14-20 period against the previous seven days.

The day with the greatest geomagnetic activity was Tuesday, August 19 when the planetary A…

American Radio Relay League | Ham Radio Association and Resources

0 replies

Leave a Reply

Want to join the discussion?
Feel free to contribute!

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.