New sunspot groups, nine in all, emerged on every day of this reporting week, July 4 to 10. One on July 4, another on July 5, two more on July 6, another each on July 7 and July 8, two more on July 9 and another on July 10.
On July 11, two more sunspot groups emerged, and the total sunspot area expanded by 13 per cent.
Despite the appearance of so many new sunspots, average daily sunspot number…
Read more – via American Radio Relay League | Ham Radio Association and Resources http://www.arrl.org/news/view/the-k7ra-solar-update-836
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