Space radio system (also: ''space system'') is – according to ''article 1.110'' of the International Telecommunication Union's (ITU)

ITU Radio Regulations The ITU Radio Regulations (short: RR) is a basic document of the International Telecommunication Union (ITU) that regulates on law of nations scale radiocommunication services and the utilisation of radio frequencies. It is the supplementation t ...

(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 waves fro ...

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 i ...

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