Figure F90. Accumulated angles of fiber-optic gyros for the two Göttingen Borehole Magnetometer runs. Rz is parallel to the symmetry axis of the tool, and Rx and Ry are perpendicular to Rz. In plot of Rz, green line = uplog portion of Run 1, yellow line = uplog portion of Run 2. The data are not corrected for the rotation of the Earth.
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