The ARRL Solar Report

Solar Update Report January 30, 2025

The sun has been moderately active this past week. The greater than 2 MeV (solar particle event) electron flux at geostationary orbit is expected to remain mostly at normal to moderate levels January 30 - 31. A coronal hole high-speed stream is expected to arrive February 1. Particle injection during this time will likely elevate the 2 MeV electron flux to hi...

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