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Maritime radionavigation service (short: MRNS) is – according to Article 1.44 of the International Telecommunication Union´s (ITU) Radio Regulations (RR) – defined as "A radionavigation service intended for the benefit and for the safe operation of ships."
Contents
This service is a so-called safety-of-life service, must be protected for interferences, and is essential part of navigation.
Classification
This radiocommunication service is classified in accordance with ITU Radio Regulations (article 1) as follows:
Radiodetermination service (article 1.40)
Radio stations
In general the maritime radionavigation service distinguishes radio stations as follows:
References
Maritime radionavigation service Wikipedia(Text) CC BY-SA