June 29, 2026

This Week in Amateur Radio

North America's Premiere Amateur Radio News Magazine

via the ARRL: The ARRL Solar Update

Read more at ARRL.org

Solar activity has remained at low levels, with frequent C-level activity in the SE quadrant of the solar disk. The largest flare of the period was a C3.8 on June 24 from Region 4478, which is the large sunspot that Solar Orbiter had been tracking across the Sun’s far side.

While the majority of the flaring activity this period came from 4478, Region 4475 also produced several small C-flares as…

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