Electricity: measuring and testing – Of geophysical surface or subsurface in situ – By magnetic means
Patent
1979-10-11
1982-01-05
Strecker, Gerard R.
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
By magnetic means
324326, 324331, G01V 340, G01V 3165
Patent
active
043096590
ABSTRACT:
A pair of magnetometer units symmetrically displaced from a reference measuring point along one axis and at least one magnetometer unit displaced from the reference point along a second axis perpendicular to the first axis respectively sense three and two directional field components of a magnetic source along two axes at each of the unit locations parallel to the first and second axes and a third axis perpendicular thereto at each of said pair of units. Total field strength and field gradients of the magnetic source are calculated from measurement sensor signals supplied by the magnetometer units to determine the position of the magnetic source relative to the reference point and its magnetic moments.
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Schellin Eric P.
Strecker Gerard R.
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