Solar activity softened again this week, with average daily sunspot
numbers changing from 162 to 80.7, and solar flux from 198.9 to
139.5.
This is quite a dramatic shift from the excitement of a couple of
weeks ago. To review, average weekly sunspot numbers from the first
Propagation Forecast bulletin of 2023 went from 97 to 135.9, 173.4
and 162. Average weekly solar flux from 157.8 to 181.2, 221.8 a...
