Pick up a copy of Build, Tune, Explore with OpenWebRX+, a Raspberry Pi, and an RTL-SDR dongle, and tune in to the hidden signals all around you. No Wires, No Limits—Just Waves OpenWebRX+ brings the spectrum to life with a stunning waterfall display of real-time signals; watch as the airwaves dance with activity you never knew was there. Tune in to AM/FM broadcasts, scan shortwave frequencies, eavesdrop on ham radio chatter, and even sniff out digital transmissions—all from the comfort of a web browser. Download images from satellites. Listen in to the International Space Station. Track airplanes using their ADS-B data. It couldn't be easier: plug in the dongle, string up a wire antenna, and load some software. The book then takes you to the next level, describing the hidden details of all the different types of radio broadcasts out there. And here’s the twist: you can share your receiver with the world. Let anyone, anywhere, tune in to your slice of the spectrum from their phone, tablet, or laptop. Build, Tune, and Explore The airwaves are alive. Let’s go find out what they’re saying. | 
