ARRL Headquarters Closing for Christmas Holiday 2025
Wed, 24 Dec 2025
ARRL The National Association for Amateur Radio® will close our headquarters early at 12 PM Eastern Standard Time (1700 UTC) on...Read more
ARRL Headquarters Closing for Christmas Holiday 2025
Wed, 24 Dec 2025
ARRL The National Association for Amateur Radio® will close our headquarters early at 12 PM Eastern Standard Time (1700 UTC) on...Read more
Solar activity has been at low levels with only a few C1 flares from
Region 4307. Slight growth and consolidation...Read more
Up to $25,000 at Stake in New ARRL Student Coding Competition
Fri, 19 Dec 2025
Pre-registration is now open for a Student Coding Competition, a new national challenge sponsored by ARRL The National Association for...Read more
Obsolete Part 97 Rules to be Deleted February 10, 2026
Fri, 19 Dec 2025
The Federal Communications Commission (FCC) in October 2025 adopted a Report and Order to delete almost 400 obsolete rules pertaining...Read more
Solar activity reached high levels this past week when Region 4299
produced an M1.1 (R1/Minor) flare on December 6. Shortly...Read more
What Is Ham Radio: A Newcomer’s Guide
Wed, 04 Oct 2023Two years ago, in my home state of Kentucky, we had a devastating tornado that traveled nearly 200 miles, leveled...Read more
Demystifying Amateur Radio Callsigns
Tue, 29 Nov 2016Regular Hackaday readers will be familiar with our convention of putting the name, nickname, or handle of a person in...Read more
Roger That! Did You Know That St. Maximilian Kolbe Is the Patron of Amateur Radio Operations?
Fri, 25 Feb 2022Eight years ago, amateur radio enthusiast and ham-radio operator Bill LaMay wondered who might be the patron saint of amateur...Read more
The Best Ham Radios, According to a Licensed Operator
Tue, 27 Sep 2022What are ham radios? In short, ham radio operators are amateur radio enthusiasts who communicate with one another via radio...Read more
Get Serious With Amateur Radio; Design & Build A Single-Sideband Transceiver From Scratch Part 1
Sun, 01 Feb 2015Amateur radio is the only hobby that offers its licensed operators the chance to legally design, build, and operate high...Read more