Tennessee Valley Authority's 500-ky System - Communications

Abstract
Basic factors in planning communication facilities for the Tennessee Valley Authority (TVA) new 500-kV system are discussed and descriptions given of broadband carrier coupling techniques, coupling equipment, and tests for power-line carrier measurements. Single-sideband power-line carrier equipment is evaluated in the light of its role in providing the bulk of communication services between terminals of TVA's first 500-kV line. Expectations that insulated ground wires will perform as communications circuits and the line's radio noise evaluation program are other items discussed.

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