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Articles

1975: Vol. LII, No. 1

Hydrographic Automation : A Report from Sea

Submitted
August 7, 2015
Published
2015-07-07

Abstract

The purpose of this article is to render a report from sea, as suggested by Admiral Ritchie [1] , on the automatic guidance and logging system (figure 1), as fitted in S.A.S. Protea, which was described by the Hydrographer of the South African Navy [2], The system was designed by the British firms Decca and Hovermarine for high speed control and logging in a hovercraft. It will be discussed under the following three general headings: Control, Logging, and Planning.