Inter-satellite service

Inter-satellite service to Earth directly or via three relay satellites orbit.

Inter-satellite service (also: inter-satellite radiocommunication service) is – according to Article 1.22 of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as «A radiocommunication service providing links between artificial satellites.

Classification

In accordance with ITU Radio Regulations (article 1) variations of this radiocommunication service are classified as follows:

• Fixed service (article 1.20)
  • Fixed-satellite service (article 1.21)
  • Inter-satellite service (article 1.22)
  • Earth exploration-satellite service (article 1.51)
    • Meteorological-satellite service (article 1.52)

Satellites

Inter-satellite radiocommunications satellites include:

• U.S. Tracking and Data Relay Satellite
• Artemis (satellite)
• European Data Relay System
• Indian Data Relay Satellite System
• Luch (satellite) (Russia)
• Tianlian I (China)

See also

• Communications satellite
• Laser communication in space
• Radio station
• Iridium (satellite constellation)
• Starlink (satellite constellation)

References / sources

• International Telecommunication Union (ITU)
• Earth exploration-satellite service. ITU, Genf 2011. ISBN 92-61-13761-X