I don't know anything about DVB-T, but since this is a wide recording, is there any chance you got overflows when recording it and thus have discontinuities?
On Tue, Feb 15, 2022 at 12:10 PM Szilassi Andras <andras.szila...@gmail.com> wrote: > Hello, > > Once again I am asking for some help with the DVB-T functionality of GNU > radio. > > I am using complex binary files recorded with a USRP at 10 Ms/s. The DVB-T > rx example chain can't decode it at all. I have changed every setting > according to Hungarian transmit parameters (64QAM, 1/4 GI, 3/4 code rate > etc.). > > I think the problem might be with symbol acquisition, but cant really > confirm my suspicion. > > Below you can see the signal I am talking about. Could it be that for this > type of synchronization this SNR is not sufficient? > > [image: image.png] > > Thanks, > AndrĂ¡s Szilassi > > -- Very Respectfully, Dan CaJacob