American Radio Relay League | Ham Radio Association and Resources

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 i...

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, follo...

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 Enginee...

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 the...

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 ARR...