Decoding the Air Around You with Java and $7 Hardware

Explore software-defined radio (SDR) technology and its applications using Java and affordable hardware in this 50-minute conference talk. Learn the fundamental concepts of SDR and discover how to repurpose a $7 USB digital TV receiver to intercept various radio communications. Follow along as the speaker demonstrates the process of receiving and decoding maritime AIS messages from ships and ADS-B messages from commercial airline transponders. Gain insights into data processing and visualization techniques, culminating in the creation of a web application that displays real-time information about ships and airplanes in the vicinity of the receiver.