netcdf marnavM1.a1.20180326.000000 { dimensions: time = UNLIMITED ; // (790996 currently) variables: int base_time ; base_time:string = "2018-03-26 00:00:00 0:00" ; base_time:long_name = "Base time in Epoch" ; base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ; base_time:ancillary_variables = "time_offset" ; double time_offset(time) ; time_offset:long_name = "Time offset from base_time" ; time_offset:units = "seconds since 2018-03-26 00:00:00 0:00" ; time_offset:ancillary_variables = "base_time" ; double time(time) ; time:long_name = "Time offset from midnight" ; time:units = "seconds since 2018-03-26 00:00:00 0:00" ; time:standard_name = "time" ; float roll(time) ; roll:long_name = "Roll: starboard down positive" ; roll:units = "degree" ; roll:valid_min = -180.f ; roll:valid_max = 180.f ; roll:missing_value = -9999.f ; roll:standard_name = "platform_roll_angle" ; float pitch(time) ; pitch:long_name = "Pitch: bow up positive" ; pitch:units = "degree" ; pitch:valid_min = -90.f ; pitch:valid_max = 90.f ; pitch:missing_value = -9999.f ; pitch:standard_name = "platform_pitch_angle" ; float yaw(time) ; yaw:long_name = "Heading from geodetic north, clockwise bow rotation" ; yaw:units = "degree" ; yaw:valid_min = 0.f ; yaw:valid_max = 360.f ; yaw:missing_value = -9999.f ; yaw:standard_name = "platform_yaw_angle" ; float surge(time) ; surge:long_name = "Surge: bow forward positive" ; surge:units = "m" ; surge:valid_min = -64.f ; surge:valid_max = 64.f ; surge:missing_value = -9999.f ; float sway(time) ; sway:long_name = "Sway: toward port positive" ; sway:units = "m" ; sway:valid_min = -64.f ; sway:valid_max = 64.f ; sway:missing_value = -9999.f ; float heave(time) ; heave:long_name = "Heave: up positive" ; heave:units = "m" ; heave:valid_min = -64.f ; heave:valid_max = 64.f ; heave:missing_value = -9999.f ; float surge_velocity(time) ; surge_velocity:long_name = "Surge directional velocity, bow forward positive" ; surge_velocity:units = "m/s" ; surge_velocity:missing_value = -9999.f ; float sway_velocity(time) ; sway_velocity:long_name = "Sway directional velocity, toward port positive" ; sway_velocity:units = "m/s" ; sway_velocity:missing_value = -9999.f ; float heave_velocity(time) ; heave_velocity:long_name = "Heave directional velocity, up positive" ; heave_velocity:units = "m/s" ; heave_velocity:missing_value = -9999.f ; float roll_angular_rate(time) ; roll_angular_rate:long_name = "Roll angular rate, starboard down positive" ; roll_angular_rate:units = "degree/sec" ; roll_angular_rate:missing_value = -9999.f ; float pitch_angular_rate(time) ; pitch_angular_rate:long_name = "Pitch angular rate, bow up positive" ; pitch_angular_rate:units = "degree/sec" ; pitch_angular_rate:missing_value = -9999.f ; float yaw_angular_rate(time) ; yaw_angular_rate:long_name = "Yaw angular rate, clockwise bow rotation positive" ; yaw_angular_rate:units = "degree/sec" ; yaw_angular_rate:missing_value = -9999.f ; float surge_acceleration(time) ; surge_acceleration:long_name = "Surge directional acceleration, bow forward positive" ; surge_acceleration:units = "m/sec^2" ; surge_acceleration:missing_value = -9999.f ; float sway_acceleration(time) ; sway_acceleration:long_name = "Sway directional acceleration, toward port positive" ; sway_acceleration:units = "m/sec^2" ; sway_acceleration:missing_value = -9999.f ; float heave_acceleration(time) ; heave_acceleration:long_name = "Heave directional acceleration, up positive" ; heave_acceleration:units = "m/sec^2" ; heave_acceleration:missing_value = -9999.f ; int cycle_count(time) ; cycle_count:long_name = "Free running cycle counter" ; cycle_count:units = "unitless" ; cycle_count:missing_value = -9999 ; int seanav_mode(time) ; seanav_mode:long_name = "Seanav system mode" ; seanav_mode:units = "unitless" ; seanav_mode:flag_values = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ; seanav_mode:flag_meanings = "idle coarse_stationary_align fine_stationary_align_not_complete fine_stationary_align_complete coarse_gps_align fine_gps_align_not_complete fine_gps_align_complete doppler_log_align_not_complete spare aided_navigation system_failure" ; seanav_mode:flag_0_meaning = "idle" ; seanav_mode:flag_1_meaning = "coarse stationary align" ; seanav_mode:flag_2_meaning = "fine stationary align, not complete" ; seanav_mode:flag_3_meaning = "fine stationary align, complete" ; seanav_mode:flag_4_meaning = "coarse gps align" ; seanav_mode:flag_5_meaning = "fine gps align, not complete" ; seanav_mode:flag_6_meaning = "fine gps align, complete" ; seanav_mode:flag_7_meaning = "doppler/em log align, not complete" ; seanav_mode:flag_8_meaning = "spare" ; seanav_mode:flag_9_meaning = "aided navigation" ; seanav_mode:flag_10_meaning = "system failure" ; int seanav_monitor(time) ; seanav_monitor:long_name = "Seanav monitor value as true/false conditions" ; seanav_monitor:units = "unitless" ; seanav_monitor:flag_masks = 1, 2, 4, 8, 16, 32, 64, 128 ; seanav_monitor:flag_meanings = "valid_dvl_height align_without_position zupt_processed doppler-log_data_rejected doppler-log_data_processed gps_data_rejected gps_data_processed depth_loop_open_greater_than_1_minute" ; seanav_monitor:bit_1_description = "valid dvl height" ; seanav_monitor:bit_2_description = "align without position" ; seanav_monitor:bit_3_description = "zupt processed" ; seanav_monitor:bit_4_description = "doppler/em-log data rejected" ; seanav_monitor:bit_5_description = "doppler/em-log data processed" ; seanav_monitor:bit_6_description = "gps data rejected" ; seanav_monitor:bit_7_description = "gps data processed" ; seanav_monitor:bit_8_description = "depth loop open > 1 minute" ; float lat(time) ; lat:long_name = "North latitude" ; lat:units = "degree_N" ; lat:valid_min = -90.f ; lat:valid_max = 90.f ; lat:missing_value = -9999.f ; lat:standard_name = "latitude" ; float lon(time) ; lon:long_name = "East longitude" ; lon:units = "degree_E" ; lon:valid_min = -180.f ; lon:valid_max = 180.f ; lon:missing_value = -9999.f ; lon:standard_name = "longitude" ; float alt(time) ; alt:long_name = "Altitude above mean sea level" ; alt:units = "m" ; alt:missing_value = -9999.f ; alt:standard_name = "altitude" ; alt:comment = "Contents of this field may not be accurate due to imprecise retrievals." ; // global attributes: :command_line = "nav_ingest -s mar -f M1 -D -R -b 20180112" ; :Conventions = "ARM-1.0" ; :process_version = "ingest-nav-3.4-0.el6" ; :dod_version = "nav-a1-1.0" ; :input_source = "/data/project/0021718_1509993009/MARCUS_Reprocessing/data/collection/mar/marnavM1.00/marnavM1.00.20180326.170501.raw.seanav18032600.dat" ; :site_id = "mar" ; :platform_id = "nav" ; :facility_id = "M1" ; :data_level = "a1" ; :location_description = "Measurements of Aerosols, Radiation and CloUds over the Southern Ocean (MARCUS), Resupply Vessel Aurora Australis" ; :datastream = "marnavM1.a1" ; :serial_number = "N/A" ; :sampling_interval = "50 Hz" ; :averaging_interval = "N/A" ; :subsampling_interval = "10 Hz" ; :alt_data_warning = "Contents of the time-varying alt field may be inaccurate due to imprecise retrievals." ; :history = "created by user garbulet on machine amber at 2018-10-03 20:16:51, using ingest-nav-3.4-0.el6" ; }