TAT-7
{{Short description|Seventh transatlantic telephone cable, operated 1983 to 1994}}
TAT-7 was the seventh transatlantic telephone cable, in operation from 1983 to 1994, initially carrying 4,000 3 kHz telephone circuits between New Jersey, United States and Porthcurno in southwest England. It was owned by AT&T, British Telecom and France Telecom, and was the last copper cable to be laid across the Atlantic.{{Cite web|url=http://atlantic-cable.com//Cables/CableTimeLine/index1951.htm|title=History of the Atlantic Cable & Submarine Telegraphy - Cable Timeline|website=atlantic-cable.com|access-date=2018-08-05}}
Although optical fiber had been invented in 1970, this cable was still using coaxial cable technology.
{{Transatlantic telephone cables}}
References
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Category:Infrastructure completed in 1983
Category:Transatlantic communications cables
Category:United Kingdom–United States relations
Category:BT Group buildings and structures
Category:1994 disestablishments in England
Category:1983 establishments in England
Category:1983 establishments in New Jersey
Category:1994 disestablishments in New Jersey
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