Hi Andres, just had a short look: doesn't NTSC use a nearly 6 MHz bandwidth?
Best regards, Marcus On Thu, 2018-08-23 at 23:33 +0000, Andres Campos Santana wrote: > Hello everyone. > > I am trying to make a NTSC TV receiver I watched in github (https://g > ithub.com/kik/sdr-tv) but I can't receive any TV image. > > First of all, I'm using Ubuntu 16.04, the RTL2832U dongle, and GRC > using Pybombs (version 3.7.12.0). I don't know if I made something > wrong in the process of creating the crt_f block but I think the > program is running in a normal way just I can't watch any channel. > The crt_f block is in a other module (pruebas) because I was not able > to create the ntsc module following the same steps to making grc > blocks. > > The only thing I change in the program was the Channel Chooser > because in South America we use different frequencies than Japan > (55.25Mhz, 61, 25Mhz, 67.25Mhz, 77.25Mhz, etc...). > > I really don't know what I can change in the program for watching the > channels so I will appreciate your help if any of you have tried to > do a TV analog receiver using grc and the RTL2832U dongle. I'm > sharing with you the captures about what I made. Thanks. > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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