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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 22-05-20, 13:02   #1
USA_bot
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The K7RA Solar Update

Still no sunspots to report. Spaceweather.com reported on May 20 that the current stretch of days with no sunspots has now reached 18. And with that the 2020 percentage of days with no sunspots has risen to 77%, equal to 2019. Until May 15 that statistic stood at 76%.

Average daily solar flux for the week rose to 69, marginally higher than last weeks average of 68.5. Average planetary A index d...



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