The MOS Technology 6502 is a microprocessor which casts a long shadow over the world of computing. Many of you...
A percentage of people seem to be hard-wired for or drawn to community service, leadership roles and events in which...
Lightning is a powerful force, one seemingly capable of great destruction in the right circumstances. It announces itself with a...
Former longtime ARRL Central Division Director George “Dick” Isely, W9GIG, has become a Silent Key. He passed away on July...
managed to find a professional FAA-certified flight simulator at an auction (a disassembled, partial one anyway) and wondered, what would...
Tap or click the link below to download this week’s news script News script for 3 August 2025 (MS Word...
AMSAT News Service ANS-215 August 3, 2025 In this edition: AMSAT Symposium Call for Papers & Presentations AMSAT-UK Tests FM...
Do you have a call sign in the G4M to S series? If so, the QSL Bureau has announced a...
Today in the submersibles department our hacker wrote in to tell us about their submarine project. This sub is made...
The switch from analog telephone exchanges to a purely digital network meant a revolution in just about any way imaginable....
Many people who get analog electronics still struggle a bit to design oscillators. Even common simulators often need a trick...
The 2025 ARRL Alabama State Convention at the Huntsville Hamfest is August 16 – 17 at the Von Braun Center...
Our hacker wrote in to let us know about a video he put together to explain the design of his...
There’s a new resource from ARRL documenting the history of ham radio. Radio Alpha is the ARRL® Museum and Research...
The numbers are in and showing growth. 2025 ARRL Field Day showed an increase in both participants and entries, compared...
Spaceweather.com reports solar activity was at low levels with only minor C-class flares observed. Region 4154 produced a C1.4 flare...
had an ancient HP 545A logic probe, which was great for debugging SMT projects. The only problem was that being...
When asked ‘what makes you tick?’ the engineers at Vacheron Constantin sure know what to answer – and fast, too....
HamSCI will host a meteor scatter QSO party in August and again in December. In just a few weeks, the...
The installation of new equipment aboard the International Space Station (ISS) to reenable HamTV appears to be successful. ARISS reports...
When we do textbook analysis, we tend to ignore the real-world concerns for the sake of learning. So, a typical...
ARRL The National Association for Amateur Radio® reports that Amateur Radio Operators, including volunteers serving in the ARRL® Amateur Radio...
For as mysterious, fascinating, and beautiful as lightning is at a distance, it’s not exactly a peaceful phenomenon up close....
Film maker wrote in to let us know about his recent documentary: Before Macintosh: The Apple Lisa. The documentary covers...
HamTV is scheduled to be reinstalled aboard the International Space Station (ISS) July 29th. Test transmissions could occur the same...
