GNU Radio Installation Instructions

the Ubuntu build guide under the heading “Install optional packages” with the exception of the added packages gnuplot, r-base, gsl and swig sudo apt-get -y install gkrellm wx-common libwxgtk2.6-dev alsa-base autoconf xorg-dev g77 gawk bison openssh-server emacs cvs usbview octave gnuplot r-base gsl swig 7. ................
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