
Space radio system (also: ''space system'') is – according to ''article 1.110'' of the
International Telecommunication Union's (ITU)
ITU Radio Regulations (RR)
[ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.110, definition: ''space radio system / space system''] – defined as «''Any group of cooperating
earth station
A ground station, Earth station, or Earth terminal is a terrestrial radio station designed for extraplanetary telecommunication with spacecraft (constituting part of the ground segment of the spacecraft system), or reception of radio wave ...
s and/or
space stations
A space station is a spacecraft capable of supporting a human crew in orbit for an extended period of time, and is therefore a type of space habitat. It lacks major propulsion or landing systems. An orbital station or an orbital space station ...
employing space radiocommunication for specific purposes''.»
Each ''system'' shall be classified by the ''service'' in which it operates permanently or temporarily.
;See also:
References / sources
International Telecommunication Union (ITU){{Radio station ITU
Radio stations and systems ITU