American Radio Relay League | Ham Radio Association and Resources The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
- The ARRL Solar Update
Solar activity was at low levels this past week with occasionalB-class and isolated low-level C-class flares. The largest event ofthe period was a C1.4/Sf flare from Region 4429 on May 5.There are currently six numbered regions on the visible disk as 4434decayed to plage and Region 4428 rotated beyond the western limb asan E-type group. The remaining regions mostly showed signs of decay.Region ...
- Learn More About SDR
The Boston Software Defined Radio User Group, SDR-Boston, is hosting the New England Workshop for Software Defined Radio 2026 (NEWSDR), June 4 - 5, at Worcester Polytechnic Institute (WPI) in Worcester, Massachusetts.The primary goal of this workshop is to provide a forum that enables software defined radio (SDR) enthusiasts to get together, collaborate, and introduce SDR concepts to those inte...
- STEM On and Off the Air
The Garden School Amateur Radio Club in Jackson Heights, New York, K2GSG, was started in September 2016 as a way to implement the science, technology, engineering, and mathematics (STEM) standard at the school.Currently, the Club has 13 members ranging from 4th graders to 12th graders and is an Affiliated Club of ARRL The National Association for Amateur Radio®.Well, last week they got a big su...
- The Ham Radio World Heads to Ohio
Hamvention® 2026 is just over a week away, and the world’s largest in-person amateur radio gathering promises another three-day weekend of total immersion in all things ham radio. According to the Dayton Amateur Radio Association, more than 30,000 people are expected to descend on the Greene County Fair and Expo Center in Xenia, Ohio, on May 15-17. Attendees will discover the latest and greates...
- Salty Walt Goes “Next Level” with New Portable Antenna Sketchbook
- Free ARRL Events App Now Live for 2026 Dayton Hamvention®
- FCC Approves Limited Emergency Use of 70 cm Band by AST SpaceMobile Satellites Outside the US
- New Book Release: Satellite Operating for Amateur Radio
Ever wanted to operate amateur radio satellites but felt intimidated by tracking the “birds” or unsure about the equipment needed? ARRL The National Association for Amateur Radio®'s new book, Satellite Operating for Amateur Radio, is now shipping and shows just how approachable, exciting, and rewarding satellite communication can be.Written by Tony Milluzzi, KD8RTT, the book offers a clear step...
- 2025 Bill Orr, W6SAI, Technical Writing Winners Awarded
The ARRL Foundation’s 2025 Bill Orr, W6SAI, Technical Writing Award has been awarded to Dr. Ethan Miller, K8GU, and Dr. Nathaniel A. Frissell, W2NAF, for their August 2025 QST article, “About Traveling Ionospheric Disturbances.”The editors of QST nominated Miller and Frissell in August 2025, the ARRL Foundation Board approved the awards in January 2026, and the award plaques were distributed to...
- NCVEC Question Pool Committee Issues Revision to 2026 - 2030 Technician Pool
This announcement was originally published in the ARRL Letter on February 19, 2026. ARRL members can subscribe to the weekly ARRL Letter at www.arrl.org/opt-in-out.---The National Conference of Volunteer Examiner Coordinators (NCVEC) Question Pool Committee (QPC) released a February 19, 2026, revision to the new 2026 - 2030 Technician Class question pool. Questions drawn from that pool are vali...