July 13, 2024

This Week in Amateur Radio

North America's Premiere Amateur Radio News Magazine

Via the ARRL: The K7RA Solar Update

Sunspot numbers rose this week, with the average changing from 139.4
to 149.6, but average daily solar flux only shifted from 179.2 to

Only four sunspot groups emerged this week. There was one on June 15
and three on June 19.

Average daily planetary A index only changed from 11.6 to 10.3.

Predicted solar flux is 205 and 210 on June 21-22, then 200 June
23-27, then 190, 185, and 190, on June 28-30…

Read more – via American Radio Relay League | Ham Radio Association and Resources http://www.arrl.org/news/view/the-k7ra-solar-update-833