Drilling Platform Antenna Design and Arrangement Study. Stage a Report

摘要

A study was made to provide an antenna system design for the Mohole drilling platform and VHF shore station sites. The program included theoretical investigations and feasibility studies to determine propagation characteristics, expected communication ranges and reliabilities, and to specify frequency allocations desired for the various required circuits. Results of these engineering investigations were analyzed and used in formulating an antenna system which will provide optimum operational performance at minimum cost. These analyses were supplemented, and results verified, by an extensive electronic scale-model testing program which included measurement of horizontal and vertical plane antenna impedances. The results of this program are summarized in this report. Types and quantities of antennas are specified, together with their recommended mounting locations aboard the platform and at the shore sites. Recommended methods of equipment interconnection and required ancillary system components are specified. Numerous engineering curves, analyses and radiation patterns are included to illustrate the expected system performance. (Author)