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Solar Cycle 25 Gives Amateurs and Shortwave a Boost
Solar activity was at low levels on 18, 20, and 21 August with only C-class flares observed. Activity increased to moderate levels on 19 August following an M1.1 flare at 19/0439 UTC from an area beyond the Eastern limb. Moderate levels were also observed on 22 August as Region 4191 produced a long-duration M1.7/Sf flare. Associated with this flare was a Type II radio sweep with an estimated…
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Via AMSAT: ANS-095 AMSAT News Service Weekly Bulletins
via Hackaday: See The Computers That Powered The Voyager Space Program
Solar Cycle 25 Gives Amateurs and Shortwave a Boost