Ship radio communication

Japanese: 船舶無線通信 - せんぱくむせんつうしん

Radio communication on ships is utilized as the only means of communication between shore and ships or between ships among themselves, for example, for communication to protect human life and property, such as distress communication to request rescue when a ship underway is in grave and imminent danger, such as fire or sinking, public communication between passengers, crew members and their families, and traffic control communication to provide information or request instructions from shipping companies, etc., in order to ensure efficient ship operation. Thus, radio communication on ships plays an important role as an indispensable tool for the safe operation of ships, but because radio communication is also performed with foreign coast stations (land-based radio stations that are the counterparts of radio communication on ships) and foreign ship stations (ship radio stations), strict requirements are imposed by international treaties, etc., and unification is being sought.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

船舶における無線通信は，航行中の船舶が火災，沈没等重大かつ急迫の危険に陥ったときに救助を求める遭難通信等人命財貨の保全のための通信をはじめ，船舶の旅客，乗組員とその家族との間の公衆通信や，船舶の効率的な運航を図るために海運事業者等との間に情報を提供しまたは指示を求める運航管理通信など，陸上と船舶または船舶相互間を結ぶ唯一の連絡手段として活用されている。このように船舶の無線通信は，船舶の安全運航等に必要不可欠のものとして重要な役割を果たしているが，外国の海岸局(船舶の無線通信の相手方となる陸上の無線局)や外国の船舶局(船舶の無線局)とも通信を行うため，国際条約等によって厳しい要件が課せられ，統一が図られている。

出典　株式会社平凡社世界大百科事典第２版について　情報

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