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Submarine cables are made of copper or optical fibers, surrounded by several protective layers of plastic, wire or synthetic materials. Cables can also be composed of dielectric fluids or hydrocarbon fluids, which act as electrical insulators. These substances can be harmful to marine life.
Seaborn Networks is a developer, owner, and operator of submarine communications cables. Seaborn is the owner and operator of the Seabras-1 "submarine communications cable" between Brazil and the United States. Seabras-1 is fully operational (2017) and provides the first direct route between São Paulo, Brazil, and the United States.
The International Cable Protection Committee — at ISCPC.org, includes a register of submarine cables worldwide (though not always updated as often as one might hope) United Kingdom Cable Protection Committee — at UKCPC.org.uk; Kingfisher Information Service — at KISCA.org.uk, source of free maps of cable routes around the United Kingdom ...
Alcatel Submarine Networks (ASN) is a French company and one of the three world leaders in the manufacture and installation of submarine cables.It was a subsidiary of Alcatel, then Alcatel-Lucent, until it was acquired by the Finnish group Nokia in 2016.
Dunant is the first new subsea cable between the US and France in 15 years and will have landing stations at Virginia Beach (US) and Saint-Hilaire-de-Riez (France). [3] [4] Telecoms industry analysts have stated that the main purpose of Google's subsea cable investment is twofold: to support quality of service and reduce costs. [5]
Alcatel-Lucent Submarine Networks became part of Nokia in 2016. Nokia and ASN added another cable ship to the fleet, CS Ile d'Ouessant. [29] This vessel was purchased in 2019 and was built in 2011 as the CS Toisa Warrior. [35] In 2021, Nokia and ASN added two more cable ships for the fleet, the CS Ile d'Yeu and CS Ile de Molène. [36]
Cable laying in the 1860s. A transatlantic telecommunications cable is a submarine communications cable connecting one side of the Atlantic Ocean to the other. In the 19th and early 20th centuries, each cable was a single wire. After mid-century, coaxial cable came into use, with amplifiers.
The company originated in 1879 as Pirelli Cavi e Sistemi. In 1881, it secured a contract to produce submarine telegraph cables for military engineering. [7]In 1886, it opened a submarine cable production plant in La Spezia. [8]