Apparent resistivity (ρ_yx) and phase (φ_yx) responses for sites on the main profile south of the Orlock Bridge fault. The impedance tensors have been rotated into directions that correspond to electric field alignments of N90°E, N60°E and N52°E. The lowest graphs display the χ² misfit of the ρ⁺ analysis for individual sites as a function of the angle (relative to geographic north) through which the impedance has been rotated. The horizontal line marks the limiting value for an acceptable misfit.