Minimum CNR for DVB-S

Hi,

I am searching Minimum carrier to noise ratio values (CNR, C/N) for DVB-S system.

Where can I find it?

Values for DVB-S2 are here:
http://www.satbroadcasts.com/news,81,Minimum_carrier_to_noise_ratio_values_CNR,_CN_for_DVB_S2_system.html

DVB-S is different.

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