A strong, long-duration M8.1 solar flare erupted from Active Region 4100 at 00:05 UTC on May…
S1 – Minor solar radiation storm in progress following M8.1 solar flare
A minor solar radiation storm (S1) is currently in progress, following a long-duration M8.1 solar flare…
Long-duration M8.1 solar flare produces strong Earth-directed CME, impact expected on June 1
This was a significant solar flare, associated with a Type II Radio Emission with an estimated…
Amateur Radio Ready for Above Average Hurricane Season
05/30/2025 Hurricane season begins on Sunday, June 1. The National Oceanic and Atmospheric Administration (NOAA) predicts…
FAQ with the Contest Program Manager
05/30/2025 The days are longer, the weather is warmer, and June is upon us! hat means…
ARRL Foundation Accepting Grant Applications in June
06/01/2025 The ARRL Foundation is accepting grant applications from amateur radio organizations for eligible amateur radio-related…
ARRL Teachers Institute Set for Record Year
05/30/2025 The ARRL Teachers Institute on Wireless Technology (TI) has 13 sessions announced in 2025, with…
The ARRL Solar Report
05/30/2025 Solar activity reached moderate levels early this past week withseveral flares. An X1-class flare erupted…
Making prosthetics ready for Blade Runner
European Space Agency astronaut reserve John McFall tested his prosthetic hardware in microgravity by squatting, walking…