There was a time when oscilloscopes were big and expensive. Now you can get scopes of various sizes and capabilities on nearly any budget. Vector network analyzers — VNAs — haven’t had quite the same proliferation, but NanoVNA may change that. [IMSAI Guy] bought one for about $50 and made a series of videos about…

via NanoVNA is a $50 Vector Network Analyzer — Hackaday

A non-contact thermometer is a pretty common tool these days, and one that most of us probably have kicking around the lab. You can grab them online for as little as $10 USD, and while they’re nowhere near as capable as a thermal camera, they certainly have their uses. But even with their increased availability,…

via A Stylish Low Part Count Non-Contact Thermometer — Hackaday

Details are still being fleshed out, but AMSAT and ARISS are working on the design of an Amateur Radio system for NASA’s Lunar Gateway. As NASA explains, the Gateway “will be a small spaceship in orbit around the moon that will provide access to more of the lunar surface than ever before with living quarters…

via AMSAT and ARISS Designing Amateur Radio System for Lunar Gateway — American Radio Relay League | Ham Radio Association and Resources