Figure F17. Summary of the significant depths and ranges for the single-channel seismic acquisition system and magnetometer system aboard the JOIDES Resolution. (This figure was provided courtesy of the ODP underway geophysics technicians.) GPS = Global Positioning System.

Figure F18. On the VIT frame, the 4.252-kHz transducer is the squat cylinder in the middle under the frame's horizontal member. The pinger batteries and electronics are in the cylinder to the upper left marked "Pinger."