Hi Leo,
My apologies for the delayed response. Open the terminal on your Raspberry Pi, type the following command to make sure you have access to most up-to-date software packages: sudo apt-get update && sudo apt-get upgrade
Then type the following command to see the options of software available for download: apt-cache search gnuradio
You should see at the very top of the list the option labeled “gnuradio”
Type the following command to see the details of this option: apt-cache show gnuradio
You should see towards the top of the details the latest version. It is currently (today) listed at “3.8.2.0-14”
From here, make sure you don’t already have it installed: gnuradio-config-info –version (*note that there are 2 dashes before version*)
If it’s not installed, use this command: sudo apt-get install gnuradio
After the installation is complete check the version again, you should see that the version listed matches the one you found earlier.