S

Satellite Position

The position on the geostationary orbit above the equator that has been assigned for direct-broadcast satellites.


SIT

Satellite interactive terminal

A user terminal for the reception and transmission of information/data via satellite.


SMATV

Satellite delivered master antenna television system - a communal distribution system for satellite TV transmissions usually installed in a block of flats for shared use.


SOHO

Small office/home office

A term used to describe products and services aimed at people who work in small or home offices.


Streaming

A technique for transferring data so that it can be processed as a continuous stream of information. Streaming technologies are particularly important to non-broadband or low-speed broadband internet users who cannot download large multimedia files quickly. With streaming, data can be viewed before the entire file has been transmitted.


Subcarrier

One or more signals, mainly audio, carried beside the main signal e.g. television on a transponder or cable channel.