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The ARRL Solar Update
Posted on Friday December 12, 2025
Solar activity reached high levels this past week when Region 4299
produced an M1.1 (R1/Minor) flare on December 6. Shortly after, the
region produced an M8.1/2b (R3/Strong) flare, also on December 6.
Associated with the M8.1 flare was a 1,100 SFU Tenflare, a 1,143
km/s Type II sweep and a Type IV sweep. (A "sweep" is a solar radio
burst that sweeps through the RF spectrum as the energy moves
outward...
Help Someone Get Their FIRST Ham Radio License by the End of 2025
Posted on Friday December 12, 2025
FCC Allocates 60-Meter World-Wide Amateur Band Approved at WRC-15; Continues Amateur Use of Four Additional 60-Meter Channels, and Updates 420 MHz Coordination Information
Posted on Thursday December 11, 2025
The Federal Communications Commission (FCC) on December 9, 2025, released a long-awaited Report and Order adopting a new amateur radio spectrum allocation in the 60-meter band that was approved for world-wide use on a secondary basis in the WRC-15 (World Radiocommunication Conference 2015) Final Acts. The Commission also agreed with a petition from ARRL The National Association for Amateur Radi...
ARRL to Host 2026 HamSCI Workshop at Central Connecticut State University
Posted on Thursday December 11, 2025
The ARRL Solar Update
Posted on Friday December 05, 2025
Solar activity was at low levels this past week with only C class
flares. Region 4294 remains the largest region on the disk but is
appearing to be simplifying magnetically. Region 4296, on the other
hand, gained a delta region in its intermediary region, though with
no corresponding increase in flare activity as of yet. New flux
emerged along the eastern side of Region 4298, resulting in several
C f...