Apparatus and method for locating towed siesmic floats

Details Apparatus and method for locating towed siesmic floats Apparatus and method for locating towed siesmic floats

G - Physics

01

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343/17

G01V 1/38 (2006.01) G01S 3/80 (2006.01) G01S 15/87 (2006.01)

Patent

CA 1274298

A B S T R A C T APPARATUS AND METHOD FOR LOCATING TOWED SEISMIC FLOATS A method and apparatus for locating a towed float relative to the towing vessel. The method determines the range from at least two known spaced apart locations on the towing vessel to the float and determines the position of the float from the intersection of the at least two ranges. The apparatus includes a microwave transceiver selectedly interconnectable with a plurality of microwave antennas at known spaced apart locations on a towing vessel, a microwave transponder on each float whose locations is to be determined, and suitable controller and/or computer means to calculate ranges and intersections of ranges.

496906

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