North America's Premiere Amateur Radio News Magazine
via Hackaday: Isolated AC/DC Power Supply and Testing Station for 230 V Devices
via Amateur Radio Daily: Obsolete Part 97 Rules Deleted Today
via Hackaday: Skimming Satellites: On the Edge of the Atmosphere
via Hackaday: Retrotechtacular: RCA Loses Fight to IBM
via Amateur Radio Daily: HamSCI 2026: Discovering Science Through Amateur Radio
When you’re testing or debugging some mains-powered gear, plugging it directly into the outlet can often be an exciting proposition....
When you hear about a switching power supply, you think of a system that uses an inductor and a switch...
When we were kids we rode bicycles without pads and helmets. We drank sugary drinks. We played with chemistry sets...
