Definicija: The establishment and operation of satellite earth station networks; these services consist, as a minimum, in the establishment, by satellite earth stations, of radiocommunications to space segment ("uplinks", q.v.), and in the establishment of radiocommunications between space segment and satellite earth stations ("downlinks").
Vir definicije: Commission Directive 94/46/EC amending Directive 88/301/EEC and Directive 90/388/EEC in particular with regard to satellite communications, OJ L 268/94, p.15