conductivity crs ctd41cp_timestamp density depth glider_altitude instrument_ctd instrument_dmon instrument_optode instrument_vmt latitude longitude m_pitch m_roll m_science_clothesline_lag optode_water_temperature oxy3835_wphase_timestamp oxygen_concentration oxygen_saturation platform potential_temperature pressure profile_id profile_lat profile_lon profile_time salinity sci_ctd41cp_is_installed sci_dmon_is_installed sci_dmon_msg_byte_count sci_m_present_time sci_oxy3835_wphase_bamp sci_oxy3835_wphase_bphase sci_oxy3835_wphase_bpot sci_oxy3835_wphase_dphase sci_oxy3835_wphase_is_installed sci_oxy3835_wphase_ramp sci_oxy3835_wphase_rawtemp sci_oxy3835_wphase_rphase sci_software_ver sci_water_pressure sound_speed source_file temperature time trajectory u v water_depth