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  • Maritime communication

    Maritime communication

    • This piglix contains articles or sub-piglix about Maritime communication

    • Brevity codes

    • This piglix contains articles or sub-piglix about Brevity codes


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    • Coast radio stations

    • This piglix contains articles or sub-piglix about Coast radio stations


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    • MMSI Number

    • This piglix contains articles or sub-piglix about MMSI Number


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    • Submarine communications cables

    • This piglix contains articles or sub-piglix about Submarine communications cables


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    • Vessel traffic service

    • This piglix contains articles or sub-piglix about Vessel traffic service


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    • 500 kHz

    • Since early in the 20th century, the radio frequency of 500 kilohertz (500 kHz) has been an international calling and distress frequency for Morse code maritime communication. The unit kilohertz was not introduced until the 1960s. For most of its history, the international distress frequency was referred to by it ... Read »


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    • 2182 kHz

    • The radio frequency 2182 kHz is one of the international calling and distress frequencies for maritime radiocommunication in a frequency band allocated to the mobile service on primary basis, exclusively for distress and calling operations. Transmissions on 2182 kHz commonly use single-sideband modulation (S ... Read »


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    • ACP-131

    • ACP-131 is the controlling publication for the listing of Q codes and Z codes. It is published by the Combined Communications Electronics Board (CCEB) countries (Australia, New Zealand, Canada, United Kingdom and United States), and revised from time to time. When the meanings of the codes contained in ACP-131 are tran ... Read »


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    • AIS-SART

    • The AIS-SART is a self-contained radio device used to locate a survival craft or distressed vessel by sending updated position reports using a standard Automatic Identification System (AIS) class-A position report. The position and time synchronization of the AIS-SART are derived from a built in GNSS receiver (e.g. GPS ... Read »


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    • Automated Maritime Telecommunications System

    • Automated Maritime Telecommunications System (AMTS) is a commercial mobile radio service used within the United States. It operates within the VHF frequency range, just above the North American Band III television range, and offers both voice and data communications to maritime customers. The system is operated by a ne ... Read »


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    • Automatic identification system

    • The automatic identification system (AIS) is an automatic tracking system used for collision avoidance on ships and by vessel traffic services (VTS). When satellites are used to detect AIS signatures, the term Satellite-AIS (S-AIS) is used. AIS information supplements marine radar, which continues to be the primary met ... Read »


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    • Automatic Transmitter Identification System (marine)

    • The Automatic Transmitter Identification System (ATIS) is a marine VHF radio system used and mandated on navigable inland waterways in Europe for identifying the ship or vessel that made a radio transmission. The identity of the vessel is sent digitally immediately after the ship's radio operator has finished talking a ... Read »


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    • Channel 16 VHF

    • Channel 16 VHF (156.8 MHz) is a marine VHF radio frequency designated as an international distress frequency. Primarily intended for distress, urgency and safety priority calls, the frequency may also carry routine calls used to establish communication before switching to another working channel. The International Tel ... Read »


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    • Coast radio station

    • A coast (or coastal) radio station (short: coast station) is an on-shore maritime radio station which may monitor radio distress frequencies and relays ship-to-ship and ship-to-land communications. A coast station (also: coast radio station ) is – according to article 1.75 of the International Telecommunication U ... Read »


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    • Comité International Radio-Maritime


    • Digital selective calling

    • Digital selective calling or DSC is a standard for sending pre-defined digital messages via the medium-frequency (MF), high-frequency (HF) and very-high-frequency (VHF) maritime radio systems. It is a core part of the Global Maritime Distress Safety System (GMDSS). DSC was developed to replace a call in older proc ... Read »


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    • E-Navigation

    • e-Navigation is a strategy developed by the International Maritime Organization (IMO), a UN specialized agency, to bring about increased safety of navigation in commercial shipping through better organization of data on ships and on shore, and better data exchange and communication between ships and the ship and shore. ... Read »


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    • Electronic Chart Display and Information System

    • An Electronic Chart Display and Information System (ECDIS) is a geographic information system used for nautical navigation that complies with International Maritime Organization (IMO) regulations as an alternative to paper nautical charts. IMO refers to similar systems not meeting the regulations as Electronic Chart Sy ... Read »


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    • Filipino Monkey

    • "Filipino Monkey" is a taunt used by radio pranksters in maritime radio transmissions since at least the 1980s, especially in the Persian Gulf. This taunt is also used as a name for pranksters who make odd, confusing, or even threatening calls on VHF marine channel 16, which is the VHF calling and distress channel. Bef ... Read »


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    • Global Maritime Distress and Safety System

    • The Global Maritime Distress and Safety System (GMDSS) is an internationally agreed-upon set of safety procedures, types of equipment, and communication protocols used to increase safety and make it easier to rescue distressed ships, boats and aircraft. GMDSS consists of several systems, some of which are new, but man ... Read »


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    • Inmarsat-C

    • Inmarsat-C is a two-way, packet data service operated by the telecommunications company Inmarsat which operates between mobile earth stations (MES) and land earth stations (LES). It became fully operational after a period of pre-operational trials in January 1991. The advantages of Inmarsat-C compared to Inmarsat-A are ... Read »


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    • International Code of Signals

    • The International Code of Signals (ICS) is an international system of signals and codes for use by vessels to communicate important messages regarding safety of navigation and related matters. Signals can be sent by flaghoist, signal lamp ("blinker"), flag semaphore, radiotelegraphy, and radiotelephony. The Internation ... Read »


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    • International Cospas-Sarsat Programme

    • International Cospas-Sarsat Programme

      Programme International Cospas-Sarsat (French)

      Международная Программа Коспас-Сарсат (Russian)

      Additionally, although not State Participants, the European Union, through its Galileo Programe, is a Space- and Ground-Segment Provider, and EUMETSAT is a Space-Segment Provider The International Cospas-Sarsat Programme is a treaty-based, nonprofit, intergovernmental, humanitarian cooperative of 43 nations and agenci ... Read »


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    • List of Navtex stations

    • Navtex (navigation telex) is an international service that provides navigational and meteorlogical warnings and forecasts. This list identifies some Navtex stations. A list of Navtex stations. Please improve this list by determining the exact location of the transmission antenna! 518 kHz (international) 490 ... Read »


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    • Long Range Certificate

    • The Long Range Certificate is an internationally valid certificate issued to radio station operators. It entitles the holder to participate in marine communications on leisure crafts using Marine VHF, Medium Frequency, High Frequency radios and Inmarsat satellite communication as agreed in Global Maritime Distress and ... Read »


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    • Long-range identification and tracking (ships)

    • The long-range identification and tracking (LRIT) of ships was established as an international system on 19 May 2006 by the International Maritime Organization (IMO) as resolution MSC.202(81). This resolution amends chapter V of the International Convention for the Safety of Life at Sea (SOLAS), regulation 19-1 and bin ... Read »


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    • Marine VHF radio

    • Marine VHF radio refers to the radio frequency range between 156.0 and 174 MHz, inclusive. The "VHF" signifies the very high frequency of the range. In the official language of the International Telecommunication Union the band is called the VHF maritime mobile band. In some countries additional channels are used, s ... Read »


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    • Maritime Broadband

    • Maritime Broadband

      Maritime Broadband INC is a US engineering company providing VSAT communication systems for maritime use. Founded in 2009, the company is headquartered in Long Island City and manufactures its proprietary C-Bird in the U.S. The company has developed advanced maritime communication solutions for merchant vessels such as ... Read »


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    • Maritime call signs

    • Maritime call signs are call signs assigned as unique identifiers to ships and boats. One of the earliest applications of radiotelegraph operation, long predating broadcast radio, were marine radio stations installed aboard ships at sea. In the absence of international standards, early transmitters constructed after G ... Read »


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    • Maritime identification digits

    • Maritime identification digits are used by radio communication facilities to identify their home country or base area in Digital Selective Calling (DSC), Automatic Transmitter Identification System (ATIS), and Automatic Identification System (AIS) messages as part of their Maritime Mobile Service Identities. The Intern ... Read »


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    • Maritime mobile service

    • 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 radi ... Read »


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    • Maritime Mobile Service Identity

    • A Maritime Mobile Service Identity (MMSI) is a series of nine digits which are sent in digital form over a radio frequency channel in order to uniquely identify ship stations, ship earth stations, coast stations, coast earth stations, and group calls. These identities are formed in such a way that the identity or part ... Read »


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    • Maritime mobile-satellite service

    • Maritime mobile-satellite service (MMSS, or maritime mobile-satellite radiocommunication service) is – according to Article 1.29 of the International Telecommunication Union's Radio Regulations (RR) – "A mobile-satellite service in which mobile earth stations are located on board ships; survival craft station ... Read »


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    • Maritime Monitoring and Messaging Microsatellite

    • The Maritime Monitoring and Messaging Microsatellite (M3MSat) is a tele-detection satellite developed by the Canadian Space Agency and launched in 2016. Its mission is to demonstrate and test the technology to assess the utility of having in space an Automatic Identification System (AIS) for reading signals from vessel ... Read »


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    • Maritime safety information

    • The Global Maritime Distress and Safety System (GMDSS) is an internationally agreed-upon set of safety procedures, types of equipment, and communication protocols used to increase safety and make it easier to rescue distressed ships, boats and aircraft. GMDSS consists of several systems, some of which are new, but man ... Read »


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    • Message in a bottle

    • A message in a bottle (abbreviated MIB) is a form of communication in which a message is sealed in a container and released into a medium, a bottle released into a large body of water. Messages in bottles have been used in crowdsourced scientific studies of ocean currents, as well as to send distress messages, memori ... Read »


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    • Mobile-satellite service

    • Mobile-satellite service (short: MSS ;also: mobile-satellite radiocommunication service) is – according to Article 1.25 of the International Telecommunication Union´s (ITU) Radio Regulations (RR) – defined as «A radiocommunication service This service may also include feeder links necessary for its ... Read »


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    • Navtex

    • Navtex (Navigational Telex) is an international automated medium frequency direct-printing service for delivery of navigational and meteorological warnings and forecasts, as well as urgent maritime safety information to ships. Navtex was developed to provide a low-cost, simple, and automated means of receiving this in ... Read »


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    • On-board communication station

    • On-board communication station (also: on-board communication radio station) is – according to article 1.79 of the International Telecommunication Union´s (ITU) ITU Radio Regulations (RR) – defined as «A low-powered mobile station in the maritime mobile service intended for use for internal communication ... Read »


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    • Port operations service

    • Port operations service (short: POS;  | also: port operations radiocommunication service') is – according to Article 1.30 of the International Telecommunication Union´s (ITU) Radio Regulations (RR) – defined as «A maritime mobile service in or near a port, between coast stations and ship stations, or ... Read »


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    • Port station

    • Port station (also: port radio station) is – according to Article 1.80 of the International Telecommunication Union´s (ITU) RR – defined as «A coast station in the port operations service.» Each station shall be classified by the service in which it operates permanently or temporarily. ... Read »


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    • Radiotelephone

    • A radiotelephone (or radiophone) is a communications system for transmission of speech over radio. Radiotelephone systems are not necessarily interconnected with the public "land line" telephone network. "Radiotelephony" means transmission of sound (audio) by radio, in contrast to radiotelegraphy (transmission of teleg ... Read »


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    • Satellite emergency position-indicating radiobeacon station

    • Satellite emergency position-indicating radiobeacon station (sort: SEPIRS) is – according to article 1.94 of the International Telecommunication Union´s (ITU) ITU Radio Regulations (RR) – defined as «An earth station in the mobile-satellite service the emissions of which are intended to facilitate searc ... Read »


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    • Satellite navigation

    • A satellite navigation or satnav system is a system that uses satellites to provide autonomous geo-spatial positioning. It allows small electronic receivers to determine their location (longitude, latitude, and altitude/elevation) to high precision (within a few metres) using time signals transmitted along a line of si ... Read »


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    • Search and rescue transponder

    • A search and rescue transponder (SART) is a self-contained, waterproof transponder intended for emergency use at sea. These devices may be either a radar-SART, or a GPS-based AIS-SART (automatic identification system SART). The radar-SART is used to locate a survival craft or distressed vessel by creating a series of ... Read »


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    • Self-Organized Time Division Multiple Access

    • Self-Organized Time Division Multiple Access (STDMA) is a channel access method which was designed by HÃ¥kan Lans, based on time-division multiplexing. The term "Self-Organized" describes the manner in which time slots are assigned to users. Time division multiple access (TDMA) divides a channel into frames, which f ... Read »


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    • SES Broadband for Maritime

    • SES Broadband for Maritime is a two-way satellite broadband Internet service for use on private boats and commercial ships throughout European waters. SES Broadband for Maritime provides high-speed Internet access (at up to 2Mbit/s downlink) along with telephone, email, and virtual private network services to vessels ... Read »


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    • Ship earth station

    • Ship earth station (also: ship earth radio station) is – according to Article 1.78 of the International Telecommunication Union´s (ITU) ITU Radio Regulations (RR) – defined as «A mobile earth station in the maritime mobile-satellite service located on board ship.» Each radio station shall be classif ... Read »


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    • Ship movement service

    • 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) – defined as «A safety service in the maritime mobile service other than a port operations service, between ... Read »


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    • Ship Security Alert System

    • The Ship Security Alert System (SSAS) is part of the ISPS code and is a system that contributes to the International Maritime Organization's (IMO)'s efforts to strengthen maritime security and suppress acts of terrorism and piracy against shipping. The system is an IMO regulated system. In case of attempted piracy or t ... Read »


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    • Ship Security Reporting System

    • The Ship Security Reporting System (SSRS) is a counter piracy system that has been developed to combat the increasing instances of hijack and ransom on cargo ships predominantly occurring in the Gulf of Aden and around the Horn of Africa. Before the development of SSRS, commercial shipping was reliant on the Ship Secu ... Read »


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    • Ship station

    • A ship station (or ship radio station) is a radio station located on board a sea vessel. The ITU Radio Regulations define it as "A mobile station in the maritime mobile service located on board a vessel which is not permanently moored, other than a survival craft station." Each station is classified by the service in ... Read »


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    • Ship's emergency transmitter


    • Short Range Certificate

    • The Short Range Certificate is an internationally valid certificate issued to marine radio station operators. It entitles the holder to participate in marine communications on leisure crafts using Marine VHF radio and DSC (Digital Selective Calling), while in the GMDSS A1 sea areas. The certificate is consistent with ... Read »


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    • SOLAS Convention

    • The International Convention for the Safety of Life at Sea (SOLAS) is an international maritime treaty which requires Signatory flag states to ensure that ships flagged by them comply with minimum safety standards in construction, equipment and operation. The current version of the SOLAS Convention is the 1974 version, ... Read »


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    • Standard Marine Communication Phrases

    • The Standard Marine Communication Phrases (SMCP) is a set of key phrases in the English language (which is the internationally recognised language of the sea), supported by the international community for use at sea and developed by the International Maritime Organization (IMO). They aim to explain: 1) external communi ... Read »


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    • Strategic communication

    • Strategic communication can mean either communicating a concept, a process, or data that satisfies a long term strategic goal of an organization by allowing facilitation of advanced planning, or communicating over long distances usually using international telecommunications or dedicated global network assets to coordi ... Read »


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    • Survival craft station

    • Survival craft station (also: survival craft radio station) is – according to Article 1.65 of the International Telecommunication Union´s (ITU) RR – defined as «A mobile station in the maritime mobile service or the aeronautical mobile service intended solely for survival purposes and located on any lif ... Read »


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    • Survival Craft Transceiver

    • Very high frequency (VHF) survival craft transceivers (SCTs) are lightweight, portable, two-way, handheld VHF transceivers capable of radiotelephone on-scene communication between rescue units and the survival craft. Essentially these are hand-held VHF radio's that are used in any survival craft, such as a life boat or ... Read »


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    • Vessel traffic service

    • A vessel traffic service (VTS) is a marine traffic monitoring system established by harbour or port authorities, similar to air traffic control for aircraft. Typical VTS systems use radar, closed-circuit television (CCTV), VHF radiotelephony and automatic identification system to keep track of vessel movements and prov ... Read »


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    • Wireless Ship Act of 1910

    • The Wireless Ship Act was passed by the United States Congress in 1910, requiring all ships of the United States traveling over two-hundred miles off the coast and carrying over 60 passengers to be equipped with wireless radio equipment with a range of one-hundred miles. The legislation was prompted by a shipping accid ... Read »


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    • Maritime communication

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