Welcome to the ultimate beginner's guide to Software Directed Radio. You don't need a math degree or a giant antenna to get started. All you need is a laptop, a $30 USB stick, and a little curiosity to start exploring the invisible world around you.
Start Here
The Invisible Highway
Radio waves are just invisible highways passing right through you. Learn how to 'see' them.
The Gear
Your First Radio
You don't need expensive gear. A $30 USB stick is your magic key to unlock the sky.
Fun Project
Catching Airplanes
Airplanes constantly shout their locations into the sky. We'll show you how to listen in and plot them on a map.
The Universal Remote
How software transforms one simple antenna into a tool that can decode almost anything.
Grabbing Space Pictures
Yes, you can actually pull live weather images directly from satellites passing over your house.
Live Lab
Listen to the World
Tune into local walkie-talkies, public safety, and secret numerical stations broadcasting globally.
Database
Signal Matrix
Browse our interactive database of common RF signals, including frequencies, modulations, and hardware requirements.
Directory
Software Arsenal
The complete directory of SDR software tools, from beginner dashboards to advanced reverse engineering suites.
Blog
Mission Reports
Read detailed teardowns and field reports of real-world signal intercepts using the HackRF and PlutoSDR.