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 (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 to th ...

(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 (or orbital station) is a spacecraft which remains in orbit and hosts humans for extended periods of time. It therefore is an artificial satellite featuring habitation facilities. The purpose of maintaining a space station vari ...

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