The world around us hums with invisible signals, carrying everything from our favorite radio tunes to crucial communication data. At the heart of many of these wireless technologies lies the elegant ...

Editor’s Note: This is a two-part series where DI authors Damian and Phoenix Bonicatto explore IQ signal representation and negative frequencies to ease the understanding and development of SDRs. Part ...

How does the new HackRF Pro perform in practical tests? We compare it with its predecessor, the HackRF One, and analyze improvements in RF characteristics.

As you might expect, the University of Puerto Rico at Arecibo has a fascination with radio signals from space. While doing research into the legendary “Wow! Signal” detected back in 1977, they ...

Have you ever wondered what’s happening in the invisible world of radio waves all around us? From the music playing on your favorite FM station to the Wi-Fi signals powering your internet connection, ...