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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 11-09-20, 15:32   #1
USA_bot
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The K7RA Solar Update

Tad Cook, K7RA, Seattle, reports: An extended lull in solar activity persists. The smoothed sunspot minimum occurred last December, but the flurry of moderate sunspot activity in August has not continued.



An event to look forward to is the autumnal equinox, which occurs at 1330 UTC on Tuesday, September 22. We should see a seasonal improvement in HF propagation around that date because the north...



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