Figure F3. Schematic of the 4-kHz experiment. The 4-kHz source was on the vibration-isolated television (VIT) frame. The ship's hull-mounted 3.5-kHz transducer was used to receive the signals (adapted from Stephen, Kasahara, Acton, et al., 2003).

Figure F3. Schematic of the 4-kHz experiment. The 4-kHz source was on the vibration-isolated television (VIT) frame. The ship's hull-mounted 3.5-kHz transducer was used to receive the signals (adapted from Stephen, Kasahara, Acton, et al., 2003).