Space operation service

Array of four axial-mode helical antennas used for satellite tracking, France

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 is operating.»

单词	Space operation service
释义	Space operation service 英语百科 Space operation service 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 is operating.»
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