TAT-3 was the third

transatlantic telephone cable 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 ...

, in operation from 1963 to 1986. It had 414 kHz of bandwidth, allowing it to carry 138 telephone circuits (simultaneous calls). It was long, connecting

Widemouth Bay Widemouth Bay ( kw, Porth an Men) is a bay, beach and small village on the Atlantic coast of Cornwall, England, UK. It is about 3 miles (5 km) south of Bude. This stretch of coast is steeped in the smuggling history of times before, and ...

Cornwall, England Cornwall (; kw, Kernow ) is a historic county and ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people. Cornwall is bordered to the north and west by the Atlantic ...

Tuckerton, New Jersey Tuckerton is a borough in Ocean County, New Jersey, United States, named for founder Ebenezer Tucker (1758–1845), and was a port of entry, but not the third Port of Entry in the United States, as is often described.Stemmer, Peter H"The Port ...

in the United States. It was owned by

AT&T AT&T Inc. is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company by revenue and the third largest provider of mobile te ...

and GPO (now BT). It cost £12m in 1960

References

AT&T buildings British Telecom buildings and structures Infrastructure completed in 1963 Science and technology in Cornwall Transatlantic communications cables United Kingdom–United States relations 1963 establishments in England 1963 establishments in New Jersey 1986 disestablishments in England 1986 disestablishments in New Jersey {{Telecomm-stub