Sunspots are gone again. We are at the bottom of the solar cycle, so conditions should only get better. There is an increase in on-air activity due to the large number of people staying at home because of Covid-19, and this week we seem to be overwhelmed with reports of sporadic E openings.
The last observed sunspot disappeared on April 5, so weekly average daily sunspot numbers declined from 5....
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The last observed sunspot disappeared on April 5, so weekly average daily sunspot numbers declined from 5....
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