Towed device for measuring magnetic field and the vertical gradi

Details Towed device for measuring magnetic field and the vertical gradi Towed device for measuring magnetic field and the vertical gradi

1974-12-13

1977-03-08

Blix, Trygve M.

Ships

Towing or pushing

Submerged object

73170A, B63B 2156

Patent

active

040107060

ABSTRACT:
A towed device comprising two fish, carrying measuring apparatus, which m remain vertically aligned during the measurements. The device includes a carrying cable fastened to a relay fish. The fish carrying the measuring apparatus are fastened to the cable and a plurality of fins are placed over the cable to improve the drag. A diving wing pulls the cable so that the device remains vertical. The device may be used for measuring gradients of physical magnitudes at sea and in particular the vertical gradient of the magnetic field.

REFERENCES:
patent: 1305483 (1919-06-01), Matsumura
patent: 2401929 (1946-06-01), Hammond, Jr.
patent: 3062171 (1962-11-01), Somervile
patent: 3398715 (1968-08-01), Burg
patent: 3455159 (1969-07-01), Gies, Sr.
patent: 3461830 (1969-08-01), Pearce et al.

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