The gqrx tool is an open source Software-Defined Radio (SDR) receiver powered by the GNU radio and the Qt graphical toolkit.
It has the following features:
- Discovers devices connected to a computer
- Processes I/Q data
- AM, SSB, CW, FM-N, and FM-W (mono and stereo) demodulators
- Records and plays back audio to/from the WAV file
- Records and plays back raw baseband data
- Streams audio output over UDP
In this recipe, we will cover the basics of gqrx.