To install Gqrx from the Raspberry Pi software repository, open the Applications menu, select Preferences → Add / Remove Software, and search for Gqrx. After installation, Gqrx will be available in the Internet section of the Applications menu.
If you’re comfortable building software from source, and would like to have the very latest version of Gqrx, run the following commands:
sudo apt-get update
sudo apt-get install -y cmake gnuradio-dev gr-osmosdr qt5-default libqt5svg5-dev libpulse-dev
git clone https://github.com/gqrx-sdr/gqrx.git
cd gqrx
mkdir build
cd build
cmake ..
make -j4
sudo make install
Finally, use the gqrx
command to start Gqrx.