Space operation service (short: SOS ; also: ''space operation radiocommunication service'') is – according to ''Article 1.23'' of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as ''A radiocommunication service concerned exclusively with the operation of spacecraft, in particular space tracking, space telemetry and space telecommand. These functions will normally be provided within the service in which the

space station 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 ...

is operating.''

Frequency allocation

The allocation of radio frequencies is provided according to ''Article 5'' of the ITU Radio Regulations (edition 2012).''ITU Radio Regulations, CHAPTER II – Frequencies, ARTICLE 5 Frequency allocations, Section IV – Table of Frequency Allocations'' In order to improve harmonisation in spectrum utilisation, the majority of service-allocations stipulated in this document were incorporated in national Tables of Frequency Allocations and Utilisations which is with-in the responsibility of the appropriate national administration. The allocation might be primary, secondary, exclusive, and shared. *primary allocation: is indicated by writing in capital letters (see example below) *secondary allocation: is indicated by small letters *exclusive or shared utilization: is within the responsibility of administrations ; Example of frequency allocation:

References / sources

International Telecommunication Union (ITU)
{{Radiocommunication services ITU Radiocommunication services ITU

Frequency allocation

See also

References / sources