On This Day in Telephone History June 9TH 1941 the first two-pair coaxial conductor telephone cable was put into commercial service. It was the first in a series of carrier systems called the L-carrier system. The 195 mile coaxial cable was installed between Stevens Point, WI and Minneapolis, MN.

On This Day in Telephone History June 9TH 1941

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On This Day in Telephone History June 9TH 1941 the first two-pair coaxial conductor telephone cable was put into commercial service. It was the first in a series of carrier systems called the L-carrier system. The 195 mile coaxial cable was installed between Stevens Point, WI and Minneapolis, MN.