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 us ...

, 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 () is a bay, beach and small village on the Atlantic Ocean, Atlantic Atlantic coast of Cornwall, coast of Cornwall, England, United Kingdom. It is about 3 miles (5 km) south of Bude. This stretch of coast is steeped in the ...

Cornwall, England Cornwall (; or ) is a ceremonial county in South West England. It is also one of the Celtic nations and the homeland of the Cornish people. The county is bordered by the Atlantic Ocean to the north and west, Devon to the east, and the Engli ...

Tuckerton, New Jersey Tuckerton is a Borough (New Jersey), borough situated on the Jersey Shore, within Ocean County, New Jersey, Ocean County in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 3,577, its highest Unite ...

in the United States. It was owned by

AT&T AT&T Inc., an abbreviation for its predecessor's former name, the American Telephone and Telegraph Company, is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the w ...

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

References

AT&T buildings BT Group 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