Apparatus and method for locating towed seismic floats

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

1984-12-31

1987-12-01

Buczinski, Stephen C.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

367125, 367130, G01V 138, G01S 380

Patent

active

H00003883

ABSTRACT:
Method and apparatus are provided 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 selectably 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.

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Leroy et al., "Acoustic Measuring, . . . Performances", pp. 849-863, 5/8/74, O.T.C., vol. 1, O.T.C. 2026, p. 850 in particular.
Calcar-"Precision Subsea Navigation System," 11/4/69, pp. 155-172, Proc. of 10N National Marine Nav. Mtg.

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