AMSAT News Service ANS-215 August 3, 2025 In this edition: AMSAT Symposium Call for Papers & Presentations AMSAT-UK Tests FM...
Year: 2025
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...
The following is a message from KD2GUT: When a group of radio operators begin calling “CQ International Dog Day” in...
The inside of this AF117 transistor can was a thriving whisker ecosystem. (Credit: Anthony Francis-Jones) AF114 germanium transistors and related...
An Alabama man who has been on the run for 17 years was nabbed by U.S. Marshals Friday in southwest Florida. The...
National Coding Week takes place in the third week of September, and the RSGB is once again dedicating a whole...
submitted their Ham Radio foxhunt transmitter project for the 2025 One Hertz Challenge. This is a clever Spartan build. In...
Media Release | Ontario Government Radio Amateurs of Canada is receiving $545,000 to recruit and retain volunteers, upgrade skills and...
