TAT-6
TAT-6 was the sixth transatlantic telephone cable. It was in operation from 1976 to 1994, with a bandwidth of 12MHz between Green Hill and Saint-Hilaire-de-Riez, Vendée,.
Known as the SG coaxial cable system, designed by Bell Labs, the cable is with repeater spacing of.
The deep sea portion, some in length, was laid by the Cable Ship Long Lines, owned by AT&T. Portions of the shore sections were laid by the French Cable Ship Vercors.
The SG Undersea Cable System was designed by Bell Laboratories at their Allentown, PA, Greensboro, NC, Holmdel, NJ, and Whippany, NJ facilities.
A few years later, TAT-7 was put into service between Tuckerton, New Jersey, and Lands End, England, and was the last analog Transatlantic undersea system.
The following system, TAT-8, was implemented by AT&T, STC, and Alcatel. This was the first Transatlantic fiber-optic system, had greatly increased capacity and performance.
