Maritime mobile service
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A maritime mobile service (also MMS or maritime mobile radiocommunication service) is a mobile service between coast stations and ship stations, or between ship stations, or between associated on-board communication stations. The service may also be used by survival craft stations and emergency position-indicating radiobeacon stations.[1]
This radiocommunication service is classified in accordance with ITU Radio Regulations (article 1) as follows:
- Maritime mobile service
- Maritime mobile-satellite service (article 1.29)
- Port operations service (article 1.30)
- Ship movement service (article 1.31)