October 2, 2025

This Week in Amateur Radio

North America's Premiere Amateur Radio News Magazine

via the ARRL: The ARRL Solar Report

Read more at ARRL.org

Solar activity was at low levels on 28 July to 02 August and moderate levels on 03 August.  The largest flare of the period was an M2.9/2b event observed from Region 4168 on 03 August.  The region also produced numerous C-class events.  Numerous C-class activity was observed from Regions 4153, 4155, and 4167.  No Earth-directed CME activity was observed.

No proton events were observed at geosyn…

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