Marine cable location system

Details Marine cable location system Marine cable location system

G - Physics

01

B

349/9

G01B 7/00 (2006.01) G01C 21/00 (2006.01) G01V 1/38 (2006.01)

Patent

CA 1109143

Abstract of the Disclosure A marine cable location system includes a plurality of magnetic compasses located at known spaced intervals along a cable being towed by a marine vessel. These compass readings are recorded along with an onboard magnetic compass reading, an onboard gyrocompass reading, and satellite navigational information. From these recordings, the X-Y coordinates of cable compasses with respect to vessel heading are determined. These X-Y coordinates are recorded along with the vessel's position and heading on magnetic tape and a cathode-ray tube so as to provide a visual display of the cable position with respect to the vessel.

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