[Chris D] noticed that the excellent software defined radio (SDR) software gqrx will run on the Raspberry Pi now. So he married a Raspberry Pi 3, a touchscreen, an RTL-SDR dongle, and an upconverter ...

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, ...

The HD Radio standard, at least in the US, is encrypted and proprietary, with apparently some rather strong lawyers behind it. So, unless you feel like reverse engineering a few receivers to figure ...