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ARRL –
We saw no sunspots during the reporting week, October 18-24, so average daily sunspot number dropped from 12.6 to zero. The dearth of sunspots continued Thursday, October 25.
Average daily solar flux declined from 71 to 70.4. Geomagnetic indicators were quieter, with average daily planetary A index declining from 7.4 to 3.3, and average daily middle latitude A index dropping from 7.3 to 2.1.
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