DVB-S2 Rx with GNURADIO

SV1BDS · May 31st 2022

Hi,

DVB-S2 Rx has been implemented in GNURADIO as a OOT module. Link

Any practical experience ?

DH5RUM · Jun 1st 2022

Hallo George,

I use Gentoo-Linux. The Distribution has only gnuradio-3.8. 5.

So I can not use gr-dvbs2rx. A great pity. It is a problem with the

varied versions.

73 Henry

SV1BDS · Jun 1st 2022

Hi,

I use it in Windows 10 into WSL Ubuntu 20.04.

SV1BDS · Aug 3rd 2022

Hi,

Trying to receive WB beacon using igorauad OOT module is in progress...

hb9dug · Oct 14th 2022

Bonjour George,

If you haven't seen it yet, there was a presentation of gr-dvbs2rx by the developer, Igor Freire at GRcon 22.

The presentation can be found on YouTube:

GNU Radio Conference - Monday Sept 26, 2022

https://www.youtube.com/watch?v=1jJWfsGeZvE

start at 58 min.

As a reminder:

the documentation: https://igorauad.github.io/gr-dvbs2rx/

the software: https://github.com/igorauad/gr-dvbs2rx

73 de Michel, HB9DUG

SV1BDS · Oct 14th 2022

Hi,

I am in direct contact with Igor. When I have successful results I will post it here.

It seems that his effort is supporting pilots on, so maybe code with pilots off is not working so good.

The problem now is to successfully decode LDPC packets.

Thanks for the answer hb9dug !!!

hb9dug · Oct 17th 2022

Hello George,

I have been successful this morning receiving my 8psk sr250 signal on QO-100 with dvbs2-rx. See attached screen dump. At the moment, only by recording the TS and after looking at it with VLC.

72 qro de michel, hb9dug

SV1BDS · Oct 17th 2022

Congratulations !!!

It seems that the reason for not yet received by me is that I try to decode signals without pilots on. I have sent a IQ dump of the WB beacon (pilots off) to Igor and he promised to see why I can not decode it. Also I notice good SNR in your Rx.

hb9dug · Oct 18th 2022

I confirm no success without pilots even on the bench

Offset dish 120cm and Bulleye LNB

Not too close adjacent tx...

Takes sometimes 1 - 2 min to lock

73 de Michel

SV1BDS · Dec 11th 2022

Hi,

First local Tx & Rx DVBS2 using GNURadio. 125, 250 & 500 (screen dump) was tested. Pilots was on.

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