Dear all,
on my Linux Mint (Ubuntu) box, I have installed and compiled GNU Radio
3.9 from source (master branch) as described here:
https://wiki.gnuradio.org/index.php/UbuntuInstall#Focal_Fossa_.2820.04.29
and here:
https://wiki.gnuradio.org/index.php/InstallingGR#From_Source
As 'm just working on the feature/gr-iio branch, I used this branch for
testing your grc file.
But I think this does not concern grc.
I can load your flowgraph and make changes to your sampe_rate_chooser
block. Everything works fine. If I disable your dvbtx block and
enable OFDM symbol I