Figure F6. Hole 1203A magnetic logs from the FMS-sonic tool string. A. Intensity (F). B. Inclination (Inc) of the total magnetic field. C. Tool declination (tdec) for pass 1 (gray) and pass 2 (black). D. Hole shape: comparison of the Schlumberger algorithm (dark blue; 2.4-m-wide Hamming filter) with the previously validated filtering algorithm (light blue) using (E) a 4-m-wide cosine filter and (G) a 10-m-wide boxcar filter expressed as residuals (

Figure F6. Hole 1203A magnetic logs from the FMS-sonic tool string. A. Intensity (F). B. Inclination (Inc) of the total magnetic field. C. Tool declination (tdec) for pass 1 (gray) and pass 2 (black). D. Hole shape: comparison of the Schlumberger algorithm (dark blue; 2.4-m-wide Hamming filter) with the previously validated filtering algorithm (light blue) using (E) a 4-m-wide cosine filter and (G) a 10-m-wide boxcar filter expressed as residuals (

rot) (F, H) between these two determinations of the tool orientation (rot) component.