Applicants for the summer 2025 sessions of the ARRL Teachers Institute on Wireless Technology must apply by April 30 to...
General
ARRL welcomes members and all radio amateurs to visit us at the 2025 Dayton Hamvention®, May 16 —18 in Xenia,...
Solar activity has been at low levels with only minor C-classflaring through April 24, 2025, and is expected to be...
Over 280 amateur radio operators volunteered during the 129th running of the Boston Marathon on April 21, 2025. Operators were...
Although there are plenty of methods for effectively imaging a 3D space, LiDAR is widely regarded as one of the...
ARRL Ham Radio Open House events are garnering press around the country. In Yaphank, New York, on Long Island, an...
There’s an effort underway to save some of Marconi’s original towers, and an online poll is open for people to...
You don’t see them as often as you used to, but it used to be common to see “electronics trainers”...
Bears! Are they scared of massive arcs that rip through the air, making a lot of noise in the process?...
ARRL volunteers in the Iowa Section have cause to celebrate. Their state-level advocacy work on behalf of amateur radio has...
The 76th International DX Convention was held in Visalia, California, from April 11 – 13. A major focus of this...
Paul “Tad” Cook, K7RA, passed away on April 13, 2025. For 36 years, Cook wrote the weekly W1AW Propagation Forecast...
Editor's Note: I highly recommend taking the time to stop by the museum on the way into Hamvention. Wonderful collections...
April 18th is honored as World Amateur Radio Day, when we celebrate the founding of the International Amateur Radio Union...
Former ARRL Vice Director and Contest Advisory Committee Chairman Wayne Overbeck, N6NB, passed away Saturday April 12, 2025. He was...
Spaceweather.com reports a Cannibal Coronal Mass Ejection on April 15 sparked geomagnetic storms. On April 16, the storm became severe...
Fake WiFi repeater with a cheap real one behind it. (Credit: Big Clive, YouTube) Over the years we have seen...
These days we don’t get too fussed about miniaturized electronics, not when you can put an entire processor and analog...
The sun is our planet’s source of natural illumination, and though we’ve mastered making artificial light sources, it remains extremely...
If you ever wished electrons would just behave, this one’s for you. A team from Tohoku, Osaka, and Manchester Universities...
ARRL The National Association for Amateur Radio® filed comments with the Federal Communications Commission in response to its request for...
Due to most of the regions on the solar disk being fairly simple intheir magnetic complexity, solar activity is expected...
When your homebrew Yagi antenna only sort-of works, or when your WiFi cantenna seems moody on rainy days, we can...
Using USB for powering devices is wonderful, as it frees us from a tangle of incompatible barrel & TRS connectors,...
Over the decades there have been many denominations coined to classify computer systems, usually when they got used in different...
