Software engineer Cameron Paczek has developed Skylight, a project that receives ADS-B signals from an RTL-SDR radio antenna and shows the airplanes flying above you on a projector aimed at your ...

Although the basic principle of radio direction finding is easy to understand (measure the phase difference between different ...

Get ’em while they’re hot: a new session of HackadayU just opened with classes from three fantastic instructors and seats are filling up fast. Introduction to Antenna Basics — Instructor Karen Rucker ...