Gqrx

Installation

Note

This application needs a SoapySDR plugin. Please refer to Software installation.

sudo apt install gqrx-sdr
volk_profile

Usage

  • Run the application and go to File->I/O Devices.

  • Click “Device scan” button.

  • Select USDR device from the list of available devices.

  • Enter the input rate which is effectively the sample rate. For instance, 6000000 for 6Msps.

  • Make sure to set LNB LO to zero.

Gqrx source settings
  • Start processing you will see the spectrum of the signal.

There you will able to tune and decode signals with various modulation types.

Gqrx example of signal processing

References