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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.
04/22/2026 02:41 PM
Dayton Hamvention® 2026 Offers Forums for Every Ham

Dayton Hamvention 2026 features a wide range of forums to appeal to amateur radio operators of all interests, experience levels, and ages. The Hamvention Forums Committee has assembled a diverse lineup covering technical topics, operating skills, and emerging interest areas. 

On opening day, Friday, May 15, there are 22 forums beginning at 9:15 AM with HamSCI: The Ham Radio Science Citizen Inves...


04/20/2026 07:14 PM
Helping NASA Track Artemis II’s Orion Spacecraft

The University of Pittsburgh’s Panther Amateur Radio Club (PARC) had a unique opportunity last week...helping NASA track Artemis II’s Orion spacecraft on its mission to the moon and back!

Faculty advisor Juan Manfredi, NAØB, said the club responded to a request from NASA to submit a proposal. “We submitted our proposal in September 2025 and were notified in November that our proposal was accepte...


04/17/2026 08:56 PM
The ARRL Solar Update

Solar activity was at very low levels with only isolated B-class
flaring, mostly from Region 4416.
 
There are currently four numbered regions on the visible disk. Region
4416 remains the largest group by area but exhibited signs of
structural weakening, including flux submergence and a slight decay
of its intermediary pores. Region 4419 was the most complex group on
the disk and showed flux emergen...


04/10/2026 10:00 PM
The ARRL Solar Update

Solar activity remained at low levels this week. Most of the C-class activity came from either Region 4414 or Region 4409, which has developed a delta spot in its intermediary area. All remaining spots were either stable or in slight decay, with Region 4406 rotating over the west limb by the end of the reporting period.
 
Coronal activity was observed in CCOR-1, LASCO and STEREO available imager...



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