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Marine radio was the first commercial application of radio technology, allowing ships to keep in touch with shore and other ships, and send out a distress call for rescue in case of emergency. Guglielmo Marconi invented radio communication in the 1890s, and the Marconi Company installed wireless telegraphy stations on ships beginning around 1900.
MarineTraffic is a maritime analytics provider, [1] which provides real-time information on the movements of ships and the current location of ships in harbors and ports. [2] A database of information on the vessels includes for example details of the location where they were built plus dimensions of the vessels, gross tonnage and International ...
COSCO operates one of the largest civil fleets in the world, consisting of 1,114 ships as of 2017. ... Ship Built DWT Flag IMO Notes Dong Feng Ocean: 1986: 214,861
Each serves to allocate responsibility for sending Marine and Safety Information (navigational warnings) to ships at sea, as part of the Global Maritime Distress and Safety System (GMDSS). A list of Navtex stations. Please improve this list by determining the exact location of the transmission antenna! Station broadcast ranges are in nautical ...
The WSB call sign had been held by two ships (the SS Francis H. Leggett, shipwrecked off Oregon's coast on September 18, 1914, and later the Firwood, a ship destroyed by fire near Peru on December 18, 1919 [3]) before being assigned to The Atlanta Journal for use by its Atlanta, Georgia, broadcast radio station in 1922.
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The IMO's primary purpose is to develop and maintain a comprehensive regulatory framework for shipping and its remit today includes maritime safety, environmental concerns, legal matters, technical co-operation, maritime security and the efficiency of shipping. IMO is governed by an assembly of members which meets every two years. [2]
2182 kHz is analogous to channel 16 on the marine VHF band, but unlike VHF which is limited to ranges of about 20 to 50 nautical miles (40 to 90 km) depending on antenna height, [3] communications on 2182 kHz and nearby frequencies have a reliable range of around 50 to 100 nautical miles (90 to 190 km) during the day and 150 to 300 nautical miles (280 to 560 km) or sometimes more at night.