HDF5 file, superblock version 2
group /
	attribute BuoyTypeManufacturer = "SIO"
	attribute BuoyTypeSensorArray = "BD2GHI"
	attribute Conventions = "CF-1.6, ACDD-1.3"
	attribute CurrentProgram = "21312"
	attribute DeployingCountry = "Brazil"
	attribute DeployingShip = "Brazilian NAVY"
	attribute DeploymentComments = (empty)
	attribute DeploymentStatus = "good"
	attribute DragAreaAboveDrogue = "15.85 m^2"
	attribute DragAreaOfDrogue = "645.24 m^2"
	attribute DragAreaRatio = "40.7091"
	attribute DrogueBallast = "1.8 kg"
	attribute DrogueCenterDepth = "15 m"
	attribute DrogueDetectSensor = "tether strain"
	attribute DrogueLength = "7.5 m"
	attribute DrogueType = (empty)
	attribute FloatDiameter = "38.1 cm"
	attribute ManufactureMonth = "6"
	attribute ManufactureSensorType = "BD2GHI"
	attribute ManufactureVoltage = "BD2GHI volts"
	attribute ManufactureYear = "2016"
	attribute PurchaserFunding = "NOAA"
	attribute SensorUpgrade = "NOAA"
	attribute SubsfcFloatPresence = "0"
	attribute Transmissions = "NOAA"
	attribute acknowledgement = "Lumpkin, Rick; Centurioni, Luca (2019). Global Drifter Program quality-controlled 6-hour interpolated data from ocean surface drifting buoys. [indicate subset used].NOAA National Centers for Environmental Information. Dataset. https://doi.org/10.25921/7ntx-z961. Accessed [date]."
	attribute cdm_data_type = "Trajectory"
	attribute comment = "Global Drifter Program 6h data"
	attribute contributor_name = "NOAA Global Drifter Program"
	attribute contributor_role = "Data Acquisition Center"
	attribute creator_email = "aoml.dftr@noaa.gov"
	attribute creator_name = "AOML drifter DAC"
	attribute creator_url = "https://www.aoml.noaa.gov/phod/gdp"
	attribute date_created = "2025-07-11T05:36:35Z"
	attribute date_issued = "2025-07-11T05:36:35Z"
	attribute date_modified = "2025-07-11T05:36:35Z"
	attribute doi = "10.25921/7ntx-z961"
	attribute featureType = "trajectory"
	attribute geospatial_bounds = "polygon (  180.000  -46.304,  329.144  -46.304,  329.144  -25.258, 180.000  -25.258, 180.000  -46.304"
	attribute geospatial_lat_max = "-25.258f"
	attribute geospatial_lat_min = "-46.304f"
	attribute geospatial_lat_resolution = "tbd"
	attribute geospatial_lat_units = "degrees_north"
	attribute geospatial_lon_max = "-30.856f"
	attribute geospatial_lon_min = "-55.449f"
	attribute geospatial_lon_resolution = "tbd"
	attribute geospatial_lon_units = "degrees_east"
	attribute history = "From buoydata_15001_dec24.dat with metadata from dirall.dat and deplog.dat"
	attribute id = "Global Drifter Program ID 300234065314990"
	attribute institution = "NOAA Atlantic Oceanographic and Meteorological Laboratory"
	attribute instrument_vocabulary = "n/a"
	attribute keywords = "drifter, surface current, sea surface temperature, interpolated"
	attribute keywords_vocabulary = "n/a"
	attribute license = "Creative Commons Attribution 4.0 (https://creative/commons.org/licenses/by/4.0/) This study used data collected and made freely available by the NOAA Global Drifter Program (https://www.aoml.noaa.gov/phod/gdp/) accessed from https://erddap.aoml.noaa.gov/gdp/erddap/index.html"
	attribute metadata_link = "https://www.aoml.noaa.gov/phod/dac/dirall.html"
	attribute naming_authority = "n/a"
	attribute ncei_template_version = "NCEI_NetCDF_Trajectory_Template_v2"
	attribute processing_level = "Level 2 QC by AOML drifter DAC"
	attribute publisher_email = "aoml.dftr@noaa.gov"
	attribute publisher_name = "AOML Drifter DAC"
	attribute publisher_url = "https://www.aoml.noaa.gov/phod/gdp"
	attribute source = "source description"
	attribute standard_name_vocabulary = "CF Standard Name Table v30"
	attribute summary = "Global Drifter Program 6h data"
	attribute time_coverage_end = "2019-09-28T00:00:00Z"
	attribute time_coverage_start = "2018-12-14T18:00:00Z"
	attribute title = "Global Drifter Program drifting buoy collection"
	attribute uuid = "n/a"
	attribute wmo_platform_code = "3101541"
dataset /ID: string(1), shape (1, 15)
	attribute cf_role = "trajectory_id"
	attribute history = "From buoydata_15001_dec24.dat"
	attribute long_name = "Global Drifter Program Buoy ID"
dataset /WMO: int32, shape (1)
	attribute _FillValue = -999999
	attribute history = "From dirall.dat"
	attribute long_name = "World Meteorological Organization buoy identification number"
	attribute missing_value = "-999999"
dataset /deploy_date: float64, shape (1)
	attribute _FillValue = -999999
	attribute history = "From deployment log deplog.dat"
	attribute long_name = "Deployment date and time"
	attribute missing_value = -999999
	attribute units = "seconds since 1970-01-01 00:00:00 UTC"
dataset /deploy_lat: float64, shape (1)
	attribute _FillValue = -999999
	attribute history = "From deployment log deplog.dat"
	attribute long_name = "Deployment latitude"
	attribute missing_value = -999999
	attribute units = "degrees_north"
dataset /deploy_lon: float64, shape (1)
	attribute _FillValue = -999999
	attribute history = "From deployment log deplog.dat"
	attribute long_name = "Deployment longitude"
	attribute missing_value = -999999
	attribute units = "degrees_east"
dataset /drogue_lost_date: float64, shape (1)
	attribute _FillValue = -999999
	attribute history = "From directory file dirall.dat"
	attribute long_name = "Date of drogue loss (_FillValue=drogue still attached; 0=drogue status uncertain from beginning)"
	attribute missing_value = -999999
	attribute units = "seconds since 1970-01-01 00:00:00 UTC"
dataset /end_date: float64, shape (1)
	attribute _FillValue = -999999
	attribute history = "From directory file dirall.dat"
	attribute long_name = "Last good date and time derived by DAC quality control"
	attribute missing_value = -999999
	attribute units = "seconds since 1970-01-01 00:00:00 UTC"
dataset /end_lat: float64, shape (1)
	attribute _FillValue = -999999
	attribute history = "From directory file dirall.dat"
	attribute long_name = "Last good latitude derived by DAC quality control"
	attribute missing_value = -999999
	attribute units = "degrees_north"
dataset /end_lon: float64, shape (1)
	attribute _FillValue = -999999
	attribute history = "From directory file dirall.dat"
	attribute long_name = "Last good longitude derived by DAC quality control"
	attribute missing_value = -999999
	attribute units = "degrees_east"
dataset /err_lat: float64, shape (1, 1150)
	attribute _FillValue = -999999.0
	attribute history = "From buoydata_15001_dec24.dat"
	attribute long_name = "Standard error in latitude"
	attribute missing_value = -999999.0
	attribute units = "degrees_north"
dataset /err_lon: float64, shape (1, 1150)
	attribute _FillValue = -999999.0
	attribute history = "From buoydata_15001_dec24.dat"
	attribute long_name = "Standard error in longitude"
	attribute missing_value = -999999.0
	attribute units = "degrees_east"
dataset /err_temp: float64, shape (1, 1150)
	attribute _FillValue = -999999.0
	attribute history = "From buoydata_15001_dec24.dat"
	attribute long_name = "Standard error in temperature"
	attribute missing_value = -999999.0
	attribute units = "degree_Celsius"
dataset /expno: int32, shape (1)
	attribute _FillValue = -999999
	attribute history = "From dirall.dat"
	attribute long_name = "Experiment number"
	attribute missing_value = -999999
	attribute units = "count"
dataset /latitude: float64, shape (1, 1150)
	attribute _FillValue = -999999.0
	attribute axis = "Y"
	attribute data_max = -25.258
	attribute data_min = -46.304
	attribute history = "From buoydata_15001_dec24.dat"
	attribute long_name = "Latitude"
	attribute missing_value = -999999.0
	attribute standard_name = "latitude"
	attribute units = "degrees_north"
	attribute valid_max = 90.0
	attribute valid_min = -90.0
dataset /lon360: float64, shape (1, 1150)
	attribute _FillValue = -999999.0
	attribute axis = "X"
	attribute data_max = 329.144
	attribute data_min = 304.551
	attribute history = "Computed from buoydata_15001_dec24.dat"
	attribute long_name = "Longitude"
	attribute missing_value = -999999.0
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
	attribute valid_max = 360.0
	attribute valid_min = 0.0
dataset /longitude: float64, shape (1, 1150)
	attribute _FillValue = -999999.0
	attribute axis = "X"
	attribute data_max = -30.855999999999995
	attribute data_min = -55.44900000000001
	attribute history = "From buoydata_15001_dec24.dat"
	attribute long_name = "Longitude"
	attribute missing_value = -999999.0
	attribute standard_name = "longitude"
	attribute units = "degrees_east"
	attribute valid_max = 180.0
	attribute valid_min = -180.0
dataset /obs: float32, shape (1150)
dataset /rowsize: int32, shape (1)
	attribute history = "From buoydata_15001_dec24.dat"
	attribute long_name = "number of obs for this trajectory"
	attribute sample_dimension = "obs"
dataset /start_date: float64, shape (1)
	attribute _FillValue = -999999
	attribute history = "From directory file dirall.dat"
	attribute long_name = "First good date and time derived by DAC quality control"
	attribute missing_value = -999999
	attribute units = "seconds since 1970-01-01 00:00:00 UTC"
dataset /start_lat: float64, shape (1)
	attribute _FillValue = -999999
	attribute history = "From directory file dirall.dat"
	attribute long_name = "First good latitude derived by DAC quality control"
	attribute missing_value = -999999
	attribute units = "degrees_north"
dataset /start_lon: float64, shape (1)
	attribute _FillValue = -999999
	attribute history = "From directory file dirall.dat"
	attribute long_name = "First good longitude derived by DAC quality control"
	attribute missing_value = -999999
	attribute units = "degrees_east"
dataset /string_10: float32, shape (10)
dataset /string_15: float32, shape (15)
dataset /temp: float64, shape (1, 1150)
	attribute _FillValue = -999999.0
	attribute data_max = 27.296
	attribute data_min = 13.229
	attribute history = "From buoydata_15001_dec24.dat"
	attribute long_name = "Sea Surface Bulk Temperature"
	attribute missing_value = -999999.0
	attribute standard_name = "sea_surface_subskin_temperature"
	attribute units = "degree_Celsius"
	attribute valid_max = 40.0
	attribute valid_min = -15.0
dataset /time: float64, shape (1, 1150)
	attribute _FillValue = -999999.0
	attribute axis = "T"
	attribute data_max = 1569628800.0
	attribute data_min = 1544810400.0
	attribute history = "From buoydata_15001_dec24.dat"
	attribute long_name = "Time"
	attribute missing_value = -999999.0
	attribute standard_name = "time"
	attribute units = "seconds since 1970-01-01 00:00:00 UTC"
	attribute valid_max = 30000000000.0
	attribute valid_min = 200000000.0
dataset /traj: float32, shape (1)
dataset /typebuoy: string(1), shape (1, 10)
	attribute history = "From directory file dirall.dat"
	attribute long_name = "Buoy type (see https://www.aoml.noaa.gov/phod/dac/dirall.html)"
dataset /typedeath: int32, shape (1)
	attribute _FillValue = -999999
	attribute history = "From directory file dirall.dat"
	attribute long_name = "Type of death (0=buoy still alive, 1=buoy ran aground, 2=picked up by vessel, 3=stopped transmitting, 4=sporadic transmissions, 5=bad batteries, 6=inactive status)"
	attribute missing_value = -999999
dataset /ve: float64, shape (1, 1150)
	attribute _FillValue = -999999.0
	attribute data_max = 1.5127099999999998
	attribute data_min = -0.75116
	attribute history = "From buoydata_15001_dec24.dat"
	attribute long_name = "Eastward velocity (12 hr centered difference)"
	attribute missing_value = -999999.0
	attribute standard_name = "surface_eastward_sea_water_velocity"
	attribute units = "m/s"
dataset /vn: float64, shape (1, 1150)
	attribute _FillValue = -999999.0
	attribute data_max = 0.794
	attribute data_min = -1.28578
	attribute history = "From buoydata_15001_dec24.dat"
	attribute long_name = "Northward velocity (12 hr centered difference)"
	attribute missing_value = -999999.0
	attribute standard_name = "surface_northward_sea_water_velocity"
	attribute units = "m/s"