FIELD: applied physics. SUBSTANCE: method consists in measuring two projections of vector of absolute angular velocity of Earth rotation on axis of coordinate system of inclinometer which are orthogonal to its longitudinal axis, as well as projection of free fall acceleration vector on axis of the above-mentioned coordinate system. Magnitudes of zenith angle of deflector and direction of geographic meridian are determined by results of measurements. Measurements are performed with the aid of gyroscopic inclinometer fitted in the well. EFFECT: enhanced reliability.
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