Solar activity continued at low levels during the past 24 hours with
four active regions on the visible disk. The largest events were a
C1.0 on May 20 from the northeast limb and a C1.0/Sf, also on May 20,
from Region 4439 that was accompanied by Type-III radio sweeps. This
region was responsible for the majority of the period’s activity,
which otherwise included a B8.7 flare on May 20 from Region 4...

Radio amateurs from around the world descended on Xenia, Ohio, last weekend for Hamvention® 2026. The three-day event featured five indoor exhibit halls for vendors and organizations, four parallel tracks of forums, and a massive flea market that filled the infield of a horse racing track and spilled over into surrounding areas. In addition, Hamvention served as the anchor for a variety of outs...

It’s a tradition for Hamvention® … it must rain for at least part of at least one day … and this year didn’t disappoint! Showers and even the occasional downpour popped up on and off Saturday, prompting flea market shoppers to periodically flee inside to dry out. Then a thunderstorm in the early hours of Sunday morning left the flea market a bit muddy. But spirts ran high for the closing day of...

Solar activity remained at low levels this past week. Region 4436 was
responsible for the majority of the C-flare activity, including the
largest flare of the period, a C2.3 that peaked on May 13. Region
4432 rotated off the west limb. Two new regions were numbered during
the past 24 hours. Region 4437, which has since decayed to plage, and
4438, resulting in a total of 4 numbered regions now on the...