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ARRL News- The ARRL Solar Update August 1, 2026Solar activity has remained at low levels. Region 4494 exhibited decay in its trailing spots as its flare activity subsided. Region 4498 rotated into better viewing positioning, revealing mixed polarity just behind its large leading spot, and was responsible for a handful of low-level C-class flares.Region 4499 underwent evolution, gaining additional spots and producing a […]
- The ARRL Solar Update July 24, 2026Solar activity continued at moderate levels as Region 4493 produced an M3.6 flare on July 22, which was the largest event of the period and was associated with a 10.7-centimeter radio burst of 200 solar flux units (sfu). Additionally, 4493 produced a C3.4 flare on July 22, which was associated with another 10.7-cm radio burst […]
- DXer and DXpeditioner Kan Mizoguchi, JA1BK, Silent Key July 23, 2026Kiyoshi “Kan” Mizoguchi, JA1BK, a well-known DXer, DXpeditioner, CQ DX Hall of Fame member, and former Director of International Amateur Radio Union (IARU) Region 3 passed away in May 2026 at the age of 93. He was a member of the ARRL Maxim Society at the Fellow Class.First licensed in 1952, Mizoguchi became involved in […]
- The ARRL Solar Update July 20, 2026Solar activity has remained at low levels, with an occasionallow-level C-class flaring observed, including a C3.3/Sf flare on July15 from Region 4489. The largest event of the period, a long-durationC8.9 flare that peaked on July 15, originated from a returning regionon the eastern limb. This region is not yet numbered and will beassessed once it […]
- New ARRL Santa Clara Valley Section Manager July 16, 2026ARRL The National Association for Amateur Radio® announced the appointment of Tony Dowler, K6BV, of Pacifica, California, as the ARRL Santa Clara Valley (SCV) Section Manager as of July 1, 2026. Dowler succeeds James Armstrong, NV6W, of San Jose, who concluded his third term as Section Manager on June 30 after serving since 2020. Dowler has […]
- The ARRL Solar Update August 1, 2026
HF Propagation and Solar Data