| 摘要 |
PCT No. PCT/SU79/00129 Sec. 371 Date Sep. 3, 1980 Sec. 102(e) Date Sep. 3, 1980 PCT Filed Dec. 5, 1979 PCT Pub. No. WO80/01441 PCT Pub. Date Jul. 10, 1980.An aerial power transmission line comprises phase wires suspended from supports and a lightning protection system designed also to convey information in the form of r-f signals and having at least two wires 4 and 5 spaced a certain distance apart and forming an r-f data transmission channel. The wires 4 and 5 of the lightning protection system are suspended from the supports 3 one under the other in a substantially vertical plane.
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