Maritime radionavigation-satellite service
# Maritime radionavigation-satellite service

Maritime radionavigation-satellite service (short: MRNSS) is – according to Article 1.45 of the International Telecommunication Union's (ITU) Radio Regulations (RR) – defined as «A radionavigation-satellite service in which earth stations are located on board ships.»

This service is a so-called safety-of-life service, must be protected for Interferences, and is essential part of Navigation.

## See also

    Main articles: Radio station and Radiocommunication service

## Classification

This radiocommunication service is classified in accordance with ITU Radio Regulations (article 1) as follows:

Radiodetermination service (article 1.40)

* Radionavigation service (article 1.42)
   * Radionavigation-satellite service (article 1.43)
   * Maritime radionavigation service (article 1.44)
      * Maritime radionavigation-satellite service
   * Aeronautical radionavigation service (article 1.46)
      * Aeronautical radionavigation-satellite service (article 1.47)

## Radio stations

In general the maritime radionavigation service distinguishes radio stations as follows:

* Radionavigation mobile stations (article 1.87)
* Satellite system (article 1.110)
* Space system (article 1.111)
* Feeder links (article 1.115)

Examples of MRNSS stations / systems:

* Galileo-Satellites (European Union)
* GLONASS-Satellit (Russian Federation)

## References / sources

* ↑ ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.45, definition: maritime radionavigation-satellite service
* International Telecommunication Union (ITU)
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