October 3, 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

On Wednesday, March 26, around 2130 UTC a Major Storm occurred.  At
one point, the Planetary A Index was 49, and the Planetary K Index
was at 6.

Solar wind parameters are expected to remain enhanced due to
continued coronal hole high-speed stream influences with waning
effects likely by March 29.

The Solar Radiation Storm Forecast for March 29 and 30 has a 1
percent chance of a S1 or greater storm.

No …

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