Tad Cook, K7RA, Seattle, reports: Average daily sunspot numbers this week rose just a little, from 18.4 to 19, and average daily solar flux edged up from 78.9 to 78.1. Solar activity remains low.
The vernal equinox, (the first day of spring in the northern hemisphere) occurs at 0937 UTC on Saturday, March 20. That’s when the southern and northern hemispheres will be bathed in approximately equal...
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The vernal equinox, (the first day of spring in the northern hemisphere) occurs at 0937 UTC on Saturday, March 20. That’s when the southern and northern hemispheres will be bathed in approximately equal...
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