The code of nrsc5 (and my transmitter project, https://github.com/argilo/gr-nrsc5 https://github.com/argilo/gr-nrsc5) would be the best source of information fo

The code of nrsc5 (and my transmitter project, https://github.com/argilo/gr-nrsc5 https://github.com/argilo/gr-nrsc5) would be the best source of information for the undocumented parts. I do have some private notes, but the useful information has already gone into the code.