AT_IMU10_YYMMDD_HHMM.csv This file contains heave, pitch, roll, surge, and sway magnitude information gathered 6x/minute from the ship's IXSEA Phins IMU. Data format: DATE_GMT TIME_GMT PHINS_HEADING HDT PHTRO_ROLL PHTRO_ROLL_FRAME PHTRO_PITCH PHTRO_PITCH_FRAME PHLIN_SURGE_LIN PHLIN_SWAY_LIN PHLIN_HEAVE_LIN PHSPD_SURGE_SPD PHSPD_SWAY_SPD PHSPD_HEAVE_SPD 2/25/2015 00:00:03.356 313.415 313.415 0.79 B 1.58 M -0.008 -0.185 -0.185 -0.12 -0.219 -0.095