Process and system for measuring when dragged underwater beneath

Details Process and system for measuring when dragged underwater beneath Process and system for measuring when dragged underwater beneath

1991-07-15

1992-12-08

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

367130, G01S 1500

Patent

active

051703793

ABSTRACT:
The system comprises measuring means and carrying or supporting means (6), to which the measuring means are fixed. The carrying means are dragged underwater by a helicopter (2) via a cable (4). The carrier means, equipped with measuring means, have a hydrodynamic shape such that they remain at a substantially constant depth when dragged underwater by means of the cable.
Application to marine soundings.

REFERENCES:
patent: 3404565 (1968-10-01), Barry et al.
patent: 3469444 (1969-09-01), Ayer et al.
patent: 4025919 (1977-05-01), Jefferies et al.
patent: 4173195 (1979-11-01), Gongwer

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