ARRL News

Solar flare activity is expected to remain at very low levels, with a
chance for isolated C-class flares through September 19, according to
NOAA's Space Weather Prediction Center (SWPC). Solar wind speed was
steady near 530 km/s, and negative polarity CH HSS (coronal hole
high-speed stream) effects are anticipated to persist through September
18, with additional enhancements likely today due to flan...

The Yagi-Uda beam antenna was invented 100 years ago, in 1926, and Contest University (CTU) is celebrating its centennial with a live Zoom webinar this Saturday, September 19, 2026, at 1600 UTC (noon Eastern). The free webinar, titled “The Yagi Turns 100,” will be available online at https://w3lif.org/yagi. There is no pre-registration. Click on the link before 1600 Zulu on Saturday to watch. Q...

Solar flare activity was at low levels in the past week with
isolated C-class flare activity, according to NOAA’s Space Weather
Prediction Center. The largest flare of the period was a C3.4 on
September 8 from otherwise stable Region 4528. Region 4530 developed
asymmetric penumbra on both its leading and trailing poles while
undergoing consolidation in its intermediate area. New flux
emergence in the...

To commemorate the 25th anniversary of the September 11, 2001 attacks on the United States, the High-frequency Active Auroral Research Program (HAARP) at the University of Alaska Fairbanks will be making a special transmission on 9.11 MHz at 0030-0035 UTC on September 12, 2026 (8:30-8:35 PM eastern time Friday evening). The transmission will consist of a Morse code QST, followed by a slow-scan ...

Educator Everton Henriques, KD2ZZT, shared his experience using amateur radio to inspire students and bring engineering and technology to life in the classroom during his keynote at the 2026 ARRL New England Division Convention, hosted by Northeast HamXposition in Massachusetts on August 15. A video recording is available on ARRL’s YouTube channel.

Everton is an Engineering and Technology Teache...

Ed. Note: Details in this article were culled from the November 2001 QST article, “9/11/01: ‘This is Not a Test’ ” by Rick Lindquist, N1RL, and Diane Ortiz, K2DO. The original article is available here (PDF).

Twenty-five years ago, on September 11, 2001, the United States came under attack from al-Qaeda terrorists who hijacked passenger planes and flew them into buildings in New York City and Wa...

Former ARRL Chief Operating Officer (COO) Harold Robert Kramer, WJ1B, of Cheshire, Connecticut, passed away on Monday, August 31, 2026, at age 78. Kramer served as COO and QST Publisher from 2005 to 2016, following a career in broadcasting. He was an ARRL Life Member and donor, supporting the Diamond Club, the Second Century Campaign, and the ARRL Lab.

Former ARRL CEO Dave Sumner, K1ZZ, recalled...

ARRL The National Association for Amateur Radio® has announced that the candidates for the 2026 ARRL Division elections are now official. ARRL members will choose between two candidates for Director in the Delta, Great Lakes, and Midwest Divisions, and two candidates for Vice Director in the Midwest Division. The Director positions in the Atlantic and Dakota Divisions are unopposed, as are the ...

Solar activity reached moderate levels this week. Region 4513 was responsible for an M2.2/1B flare that reached its peak on August 26. This event was accompanied by a 10.7-centimeter radio burst that reached 140 solar flux units (SFU) and a type II radio sweep with an estimated shock speed of 930 km/s despite its relatively impulsive nature. No resulting coronal mass ejection (CME) has been obs...