A Super-Simple Standalone WSPR Beacon

We’ve said it before and we’ll say it again: being able to build your own radios is the best thing about being an amateur radio operator. Especially low-power transmitters; there’…

How Does Your McDonald’s Burger Get To You?

Table service and McDonalds sound as though they should be mutually exclusive as a fundamental of the giant chain’s fast food business model, but in many restaurants there’s the option …

Hams Watch For Meteors

After passing an exam and obtaining a license, an amateur radio operator will typically pick up a VHF ratio and start talking to other hams in their local community. From there a whole array of pat…

Snooping On Starlink With An RTL-SDR

With an ever-growing constellation of Starlink satellites whizzing around over our heads, you might be getting the urge to start experimenting with the high-speed internet service. But at $100 or m…

Bend It Like (Sonar) Beacon With A Phased Array

Ultrasonic transducers are incredible, with them you can detect distances, as well as levitate and peer through objects. They can emit and receive ultrasonic soundwaves (typically above 18khz) and …