Hi all,i try to install gnuradio follow this video
GNURADIO installation from source part-7 (setting python path, installing gnuradio-companion) - YouTube but in step 7 :
/*
tomcang@ubuntu:~$ sudo apt-get install gnuradio-companion
Reading package lists… Done
Building dependency tree
Reading state information… Done
E: Unable to locate package gnuradio-companion
/
i cant continue and the install stop.Can anyone help me?Thank alot!