ARRL honors the work of amateur radio operators who grow the hobby by advancing technology used within, and the operating...
General
A respected member of the DXing community has passed away. Lou Dietrich, N2TU, became a Silent Key on August 15...
On August 22, Spaceweather.com reports a fast-moving Coronal MassEjection, or CME, left the Sun on August 21. However, it is...
What color do you like your microcontroller boards? Blue? Red? Maybe white or black? Sadly, all of those are about...
always has interesting blog posts and videos, even when we don’t understand all the German in them. The latest? Computer...
ARRL The National Association for Amateur Radio® has announced that the candidates for the 2025 ARRL Division elections are now...
The Kopernik Observatory put out a call last week for hams to receive and decode transmissions from a launch by...
Alexia Snethen, KM6LGG, of Fremont, California, has been awarded The Goldfarb Memorial Scholarship by the ARRL Foundation. The award, endowed...
One of the categories we chose for the One Hertz Challenge is “Could Have Used a 555.” What about when...
It’s often said that what’s inside matters more than one’s looks, but it’s hard to argue that a product’s looks...
The 2025 hurricane season has been underway for almost two months and there has activity on the both the Atlantic...
Solar activity has been at low levels with mostly weak C-class flares observed from Regions 4172 and 4180. The largest...
“Whiskey-Bravo-six-Zulu-Yankee-Yankee looking for a radio check,” my dad called out into his faithful Kenwood handheld 2-meter radio. “W-B-6-Zed-Y-Y, I hear...
The flow battery is one of the more interesting ideas for grid energy storage – after all, how many batteries...
We did explicitly ask for projects that use a 555 timer for the One Hertz Challenge, but we weren’t expecting...
When you first get your hands on an old piece of equipment, regardless of whether it’s an old PC or...
It’s a well-known factoid that batteries keep getting cheaper while capacity increases. That said, as with any market that is...
On Wednesday, August 13, 2025, the Kopernik Observatory in Vestal, New York, will be running a High Altitude Balloon Camp...
Austin Ayers (WX3SVR) is running for US Congress with a campaign focusing on the rights of the amateur radio community....
ARRL The National Association for Amateur Radio® announces the DXCC® Trident plaque, a new award to honor the accomplishments of...
Ham radio helped build the career of Jeff Goldman, K3DUA. Now, he’s paying it forward. The ARRL Teachers Institute on...
The human eye’s color perception is notoriously variable (see, for example, the famous dress), which makes it difficult to standardize...
Former ARRL Southeastern Division Director Frank Butler, W4RH, has become a Silent Key. He passed away at the age of...
Solar activity was at low levels on 28 July to 02 August and moderate levels on 03 August. The largest...
USB-C has enabled a lot of great things, most notably removing the no less than three attempts to plug in...
