sudo apt update
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sudo apt install g++ libfftw3-dev qt5-default libpulse-dev
sudo apt install libhamlib-dev libasound2-dev libv4l-dev
sudo apt install libopenjp2-7 libopenjp2-7-dev
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tar -xvzf qsstv_9.4.4.tar.gz
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cd qsstv_9.4.4
qmake
make
sudo make install
Download QSSTV: “Click Here”