Over the past reporting week, April 14-20, average daily sunspot numbers rose from 32 to 40, while average daily solar flux declined from 106.1 to 100.8.
Average daily planetary A index declined from 12.4 to 10.9, but average daily mid-latitude A index rose slightly from 8.3 to 8.9.
The mid-latitude A index uses 3-hour data from a magnetometer at Fredericksburg, Virginia, and the planetary number...
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Average daily planetary A index declined from 12.4 to 10.9, but average daily mid-latitude A index rose slightly from 8.3 to 8.9.
The mid-latitude A index uses 3-hour data from a magnetometer at Fredericksburg, Virginia, and the planetary number...
Continue reading...
