The K7RA Solar Update

ARRL –

Sunspots disappeared again this week, with a blank sun on April 28, and continuing every day since.

Average daily sunspot numbers dropped from 20 to 3.6, while average daily solar flux decreased from 73.4 to 69.3.

Average daily planetary A index declined from 11.9 to 4.4 and average mid-latitude A index went from 8.6 to 5.

Predicted solar flux is 67 on May 4-5, 68 on May 6, 69 on May 7-10, 68 on M…

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