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ARI e ARRL In quest'area trovate notizie provenienti dal sito ufficiale dell'ARRL e dall'ARI

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Old 29-11-19, 19:15   #1
USA_bot
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The K7RA Solar Update

Another week went by with no sunspots. Average daily sunspot number this week rose from 69.9 to 70.4. Average planetary A index rose from 3.6 to 8.3.

Predicted solar flux is 70 on November 29 through December 6, 69 on December 7-8, 70 on December 9-22, 69 on December 23 through January 4, and 70 on January 5-12.

Planetary A index is predicted at 5 on November 29 through December 2, 8 on December ...



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