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DXER Ham Radio DX News

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Friday, July 28, 2017

Propagation Forecast Bulletin #30 de K7RA:

All of the indicators we track at the bottom of this bulletin fell last week. Because there were no sunspots in six of the seven days (July 20 to 26) last week, average daily sunspot number dropped from 26.6 to 1.7. Average daily solar flux declined from 85.9 to 69.7. Average daily planetary A index declined from 13 to 11.9, while the mid-latitude A index went the opposite direction, from 10.9 to 12.9.

from Ham Radio Times

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