Both average daily sunspot numbers and solar flux increased this week. Average daily sunspot numbers rose from 118.6 to 133.4, while average solar flux went from 143.2 to 161.2.
Geomagnetic indicators were more active. Average daily planetary A index went from 9.6 to 17.1, while average middle latitude A index rose from 9.6 to 14.4.
Predicted solar flux is 150 on May 26, 155 on May 27 and 28,…
Read more – via American Radio Relay League | Ham Radio Association and Resources http://www.arrl.org/news/view/the-k7ra-solar-update-779
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