Depends on the operating system you're running on.
However, if the blocks have been removed in GNU Radio 3.8, they've been
removed because they didn't work anymore, so you'll need to replace
them either way.
Best regards,
Marcus
PS: If you include as much info as possible in your original emails
Hello,
Thank you in advance for the help...
I am trying to transmit a video wirelessly by using Gnuradio. However, some
of the blocks that I want to use in my study are undefined. But, these
blocks can be reached at older versions of Gnuradio. I followed the
instructions given below web-site. But,
