The SNG equipment should be capable of uplinking the video programme with its associated sound and sound programme signals, and capable of providing two-way communication circuits for operation and control. The equipment may provide for data transmission
ITU-R BT.1205-1995 history
1995ITU-R BT.1205-1995 User Requirements for the Quality of Baseband SDTV and HDTV Signals When Transmitted by Digital Satellite News Gathering (SNG)