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Latest DX Bulletin
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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.
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12/19/2025 10:46 PM
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The ARRL Solar Update
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Solar activity has been at low levels with only a few C1 flares from Region 4307. Slight growth and consolidation were observed in that region as it neared the southwestern limb. Slight decay and separation were observed in Region 4311. The rest of the spotted regions were either stable or in decay. CME analysis will be conducted as imagery becomes available. Solar activity is expected to be low with...
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12/19/2025 08:00 PM
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Up to $25,000 at Stake in New ARRL Student Coding Competition
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Pre-registration is now open for a Student Coding Competition, a new national challenge sponsored by ARRL The National Association for Amateur Radio®. The project is designed to engage young radio amateurs in shaping the future of amateur radio through software development. Open to ARRL-member amateur radio operators aged 21 and younger, the competition will invite students to design a mobile a...
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12/19/2025 06:58 PM
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Obsolete Part 97 Rules to be Deleted February 10, 2026
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The Federal Communications Commission (FCC) in October 2025 adopted a Report and Order to delete almost 400 obsolete rules pertaining to its wireless services. As previously reported by ARRL, among the deletions were four in Part 97 that govern the Amateur Radio Service. ARRL reports that the notice of the Report and Order has now been published in the Federal Register. Unless an objection is ra...
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12/12/2025 07:19 PM
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The ARRL Solar Update
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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...
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