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.
Start processing you will see the spectrum of the signal.
There you will able to tune and decode signals with various modulation types.