Ship's magnetic self-ranging system

Details Ship's magnetic self-ranging system Ship's magnetic self-ranging system

B - Operations, Transporting

63

G

317/29, 324/48

B63G 9/06 (2006.01) G01R 33/00 (2006.01) G01V 3/15 (2006.01)

Patent

CA 1302478

Abstract A simple, portable self-ranging system is used to measure the magnetic signature of a ship so that compensatory adjustments can be made to its degaussing system. One or more magnetometer assemblies (12,13) are placed on the seabed and as the ship (11) follows a known straight course over the area. data from the magnetometers is transmitted to computer means on board the ship (11) where the data is processed using a magnetic model capable of predicting the magnetic field over an area greater than that covered by the self-ranging system. This predicted field is then used to determine the optimum setting for the degaussing system to compensate for the ship's magnetic signature.

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