Solar 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 of 150 sfu. Region 4493 continued to undergo consolidation in its le...
Kiyoshi “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 creation of IARU Region 3, which covers most of Asia and the Pacific, a...
Solar 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 has become visible from Earth’s perspective, but...