According to ITU-R Recommendation SNG.770-1, Satellite News Gathering (SNG) is defined as ""Temporary and occasional transmission with short notice of television or sound for broadcasting purposes, using highly portable or transportable up-link earth stations "". EN 301 210 [2] describes the frame structure, channel coding and modulation system for Digital Satellite News gathering (DSNG).
DS/EN 301222 V1.1.1:2000 history
2000DS/EN 301222 V1.1.1:2000 Digital Video Broadcasting (DVB); Co-ordination channels associated with Digital Satellite News Gathering (DSNG)