Ship movement service (short: SMS; | also: ship movement radiocommunication service) is – according to Article 1.31 of the International Telecommunication Union's (ITU) Radio Regulations (RR) [1] – defined as «A safety service in the maritime mobile service other than a port operations service, between coast stations and ship stations, or between ship stations, in which messages are restricted to those relating to the movement of ships. Messages which are of a public correspondence nature shall be excluded from this service.»
- See also
Classification
editThe ITU Radio Regulations classifies this radiocommunication service as follows:
Mobile-satellite service (article 1.25)
- Maritime mobile service (article 1.28)
- Maritime mobile-satellite service (article 1.29)
- Port operations service (article 1.30)
- Ship movement service
References / sources
edit- ^ ITU Radio Regulations, Section IV. Radio Stations and Systems – Article 1.31, definition: ship movement service / ship movement radiocommunication service
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