netcdf EUHFR_NRTcurrent_HFR-TirLig-LIGW_v3 {
  dimensions:
    MAXSITE = 1;
    STRING4 = 4;
    STRING10 = 10;
    STRING15 = 15;
    STRING36 = 36;
    MAXINST = 1;
    STRING85 = 85;
    REFMAX = 1;
    STRING146 = 146;
    DEPTH = 1;
    RNGE = 67;
    BEAR = 72;
    TIME = 23246;
  variables:
    float DEPTH(DEPTH=1);
      :axis = "Z";
      :long_name = "Depth";
      :standard_name = "depth";
      :units = "m";
      :positive = "down";
      :reference = "sea_level";
      :sdn_parameter_name = "Depth below surface of the water body";
      :sdn_parameter_urn = "SDN:P01::ADEPZZ01";
      :sdn_uom_name = "Metres";
      :sdn_uom_urn = "SDN:P06::ULAA";
      :ancillary_variables = "DEPTH_QC";

    float RNGE(RNGE=67);
      :axis = "Y";
      :long_name = "Range away from instrument";
      :units = "km";
      :sdn_parameter_name = "Range (from fixed reference point) by unspecified GPS system";
      :sdn_parameter_urn = "SDN:P01::RIFNAX01";
      :sdn_uom_name = "Kilometres";
      :sdn_uom_urn = "SDN:P06::ULKM";
      :ancillary_variables = "POSITION_QC";

    float BEAR(BEAR=72);
      :axis = "X";
      :long_name = "Bearing away from instrument";
      :units = "degree_true";
      :sdn_parameter_name = "Bearing";
      :sdn_parameter_urn = "SDN:P01::BEARRFTR";
      :sdn_uom_name = "Degrees true";
      :sdn_uom_urn = "SDN:P06::UABB";
      :ancillary_variables = "POSITION_QC";

    float LONGITUDE(RNGE=67, BEAR=72);
      :_FillValue = 9.96921E36f; // float
      :standard_name = "longitude";
      :long_name = "Longitude";
      :units = "degree_east";
      :valid_min = -180.0f; // float
      :valid_max = 180.0f; // float
      :sdn_parameter_name = "Longitude east";
      :sdn_parameter_urn = "SDN:P01::ALONZZ01";
      :sdn_uom_name = "Degrees east";
      :sdn_uom_urn = "SDN:P06::DEGE";
      :grid_mapping = "crs";
      :ancillary_variables = "POSITION_QC";

    float LATITUDE(RNGE=67, BEAR=72);
      :_FillValue = 9.96921E36f; // float
      :standard_name = "latitude";
      :long_name = "Latitude";
      :units = "degree_north";
      :valid_min = -90.0f; // float
      :valid_max = 90.0f; // float
      :sdn_parameter_name = "Latitude north";
      :sdn_parameter_urn = "SDN:P01::ALATZZ01";
      :sdn_uom_name = "Degrees north";
      :sdn_uom_urn = "SDN:P06::DEGN";
      :grid_mapping = "crs";
      :ancillary_variables = "POSITION_QC";

    short crs;
      :inverse_flattening = 298.257223563; // double
      :grid_mapping_name = "latitude_longitude";
      :epsg_code = "EPSG:4326";
      :semi_major_axis = 6378137.0; // double

    double TIME(TIME=23246);
      :axis = "T";
      :long_name = "Time";
      :standard_name = "time";
      :units = "days since 1950-01-01T00:00:00Z";
      :calendar = "standard";
      :sdn_parameter_name = "Elapsed time (since 1950-01-01T00:00:00Z)";
      :sdn_parameter_urn = "SDN:P01::ELTJLD01";
      :sdn_uom_name = "Days";
      :sdn_uom_urn = "SDN:P06::UTAA";
      :ancillary_variables = "TIME_QC";

    short ESPC(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -32767S; // short
      :long_name = "Radial standard deviation of current velocity over the scatter patch";
      :valid_min = -32000S; // short
      :valid_max = 32000S; // short
      :units = "m s-1";
      :sdn_parameter_name = "";
      :sdn_parameter_urn = "";
      :sdn_uom_name = "Metres per second";
      :sdn_uom_urn = "SDN:P06::UVAA";
      :ancillary_variables = "QCflag VART_QC";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    short ETMP(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -32767S; // short
      :long_name = "Radial standard deviation of current velocity over coverage period";
      :valid_min = -32000S; // short
      :valid_max = 32000S; // short
      :units = "m s-1";
      :sdn_parameter_name = "";
      :sdn_parameter_urn = "";
      :sdn_uom_name = "Metres per second";
      :sdn_uom_urn = "SDN:P06::UVAA";
      :ancillary_variables = "QCflag VART_QC";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    short MAXV(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -32767S; // short
      :long_name = "Radial sea water velocity away from instrument maximum";
      :standard_name = "radial_sea_water_velocity_away_from_instrument";
      :valid_min = -10000S; // short
      :valid_max = 10000S; // short
      :units = "m s-1";
      :sdn_parameter_name = "Speed of water current in the water body by high frequency radar and cell averaging";
      :sdn_parameter_urn = "SDN:P01::HFRDCRSP";
      :sdn_uom_name = "Metres per second";
      :sdn_uom_urn = "SDN:P06::UVAA";
      :ancillary_variables = "QCflag MDFL_QC CSPD_QC VART_QC";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    short MINV(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -32767S; // short
      :long_name = "Radial sea water velocity away from instrument minimum";
      :standard_name = "radial_sea_water_velocity_away_from_instrument";
      :valid_min = -10000S; // short
      :valid_max = 10000S; // short
      :units = "m s-1";
      :sdn_parameter_name = "Speed of water current in the water body by high frequency radar and cell averaging";
      :sdn_parameter_urn = "SDN:P01::HFRDCRSP";
      :sdn_uom_name = "Metres per second";
      :sdn_uom_urn = "SDN:P06::UVAA";
      :ancillary_variables = "QCflag MDFL_QC CSPD_QC VART_QC";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    short ERSC(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -32767S; // short
      :long_name = "Radial sea water velocity spatial quality count";
      :valid_min = 0S; // short
      :valid_max = 127S; // short
      :units = "1";
      :sdn_parameter_name = "";
      :sdn_parameter_urn = "";
      :sdn_uom_name = "Dimensionless";
      :sdn_uom_urn = "SDN:P06::UUUU";
      :ancillary_variables = "QCflag";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";

    short ERTC(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -32767S; // short
      :long_name = "Radial sea water velocity temporal quality count";
      :valid_min = 0S; // short
      :valid_max = 127S; // short
      :units = "1";
      :sdn_parameter_name = "";
      :sdn_parameter_urn = "";
      :sdn_uom_name = "Dimensionless";
      :sdn_uom_urn = "SDN:P06::UUUU";
      :ancillary_variables = "QCflag";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";

    int XDST(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -2147483647; // int
      :long_name = "Eastward distance from instrument";
      :valid_min = 0; // int
      :valid_max = 1000000; // int
      :units = "km";
      :sdn_parameter_name = "";
      :sdn_parameter_urn = "";
      :sdn_uom_name = "Kilometers";
      :sdn_uom_urn = "SDN:P06::ULKM";
      :ancillary_variables = "QCflag OWTR_QC MDFL_QC CSPD_QC VART_QC";
      :coordinates = "LATITUDE LONGITUDE";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    int YDST(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -2147483647; // int
      :long_name = "Northward distance from instrument";
      :valid_min = 0; // int
      :valid_max = 1000000; // int
      :units = "km";
      :sdn_parameter_name = "";
      :sdn_parameter_urn = "";
      :sdn_uom_name = "Kilometers";
      :sdn_uom_urn = "SDN:P06::ULKM";
      :ancillary_variables = "QCflag OWTR_QC MDFL_QC CSPD_QC VART_QC";
      :coordinates = "LATITUDE LONGITUDE";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    short SPRC(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -32767S; // short
      :long_name = "Radial sea water velocity cross spectra range cell";
      :valid_min = 0S; // short
      :valid_max = 127S; // short
      :units = "1";
      :sdn_parameter_name = "";
      :sdn_parameter_urn = "";
      :sdn_uom_name = "Dimensionless";
      :sdn_uom_urn = "SDN:P06::UUUU";
      :ancillary_variables = "QCflag OWTR_QC MDFL_QC CSPD_QC VART_QC";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";

    byte OWTR_QC(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -127B; // byte
      :long_name = "Over-water quality flag";
      :conventions = "EuroGOOS European HFR Node";
      :valid_min = 0B; // byte
      :valid_max = 9B; // byte
      :flag_values = 0B, 1B, 2B, 3B, 4B, 5B, 6B, 7B, 8B, 9B; // byte
      :flag_meanings = "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value";
      :comment = " Over Water QC Test - Test applies to each vector. Thresholds=[GeoPandas \"naturalearth_lowres\"]";
      :units = "1";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";

    byte CSPD_QC(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -127B; // byte
      :long_name = "Velocity threshold quality flag";
      :conventions = "EuroGOOS European HFR Node";
      :valid_min = 0B; // byte
      :valid_max = 9B; // byte
      :flag_values = 0B, 1B, 2B, 3B, 4B, 5B, 6B, 7B, 8B, 9B; // byte
      :flag_meanings = "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value";
      :comment = " Velocity Threshold QC Test - Test applies to each vector. Threshold=[maximum velocity=1.2 (m/s)]";
      :units = "1";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";

    byte VART_QC(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -127B; // byte
      :long_name = "Variance threshold quality flag";
      :conventions = "EuroGOOS European HFR Node";
      :valid_min = 0B; // byte
      :valid_max = 9B; // byte
      :flag_values = 0B, 1B, 2B, 3B, 4B, 5B, 6B, 7B, 8B, 9B; // byte
      :flag_meanings = "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value";
      :comment = " Variance Threshold QC Test not applicable to Direction Finding systems. Temporal Derivative QC Test - Test applies to each vector. Threshold=[velocity difference threshold=1.0 (m/s)]";
      :units = "1";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";

    byte MDFL_QC(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -127B; // byte
      :long_name = "Median filter quality flag";
      :conventions = "EuroGOOS European HFR Node";
      :valid_min = 0B; // byte
      :valid_max = 9B; // byte
      :flag_values = 0B, 1B, 2B, 3B, 4B, 5B, 6B, 7B, 8B, 9B; // byte
      :flag_meanings = "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value";
      :comment = " Median Filter QC Test - Test applies to each vector. Thresholds=[distance limit=5.0 (km) velocity-median difference threshold=1.0 (m/s)]";
      :units = "1";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";

    byte AVRB_QC(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -127B; // byte
      :long_name = "Average radial bearing quality flag";
      :conventions = "EuroGOOS European HFR Node";
      :valid_min = 0B; // byte
      :valid_max = 9B; // byte
      :flag_values = 0B, 1B, 2B, 3B, 4B, 5B, 6B, 7B, 8B, 9B; // byte
      :flag_meanings = "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value";
      :comment = " Average Radial Bearing QC Test - Test applies to entire file. Thresholds=[minimum bearing=0.0 (degrees) - maximum bearing=360.0 (degrees)]";
      :units = "1";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";

    byte RDCT_QC(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -127B; // byte
      :long_name = "Radial count quality flag";
      :conventions = "EuroGOOS European HFR Node";
      :valid_min = 0B; // byte
      :valid_max = 9B; // byte
      :flag_values = 0B, 1B, 2B, 3B, 4B, 5B, 6B, 7B, 8B, 9B; // byte
      :flag_meanings = "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value";
      :comment = " Radial Count QC Test - Test applies to entire file. Threshold=[minimum number of radial vectors=200]";
      :units = "1";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";

    byte QCflag(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -127B; // byte
      :long_name = "Overall quality flag";
      :conventions = "EuroGOOS European HFR Node";
      :valid_min = 0B; // byte
      :valid_max = 9B; // byte
      :flag_values = 0B, 1B, 2B, 3B, 4B, 5B, 6B, 7B, 8B, 9B; // byte
      :flag_meanings = "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value";
      :comment = " Overall QC Flag - Test applies to each vector. Test checks if all QC tests are passed.";
      :units = "1";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";

    int DRVA(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -2147483647; // int
      :valid_min = 0; // int
      :valid_max = 360000; // int
      :standard_name = "direction_of_radial_vector_away_from_instrument";
      :long_name = "Direction of radial vector away from instrument";
      :units = "degree_true";
      :sdn_parameter_name = "Direction (from) of radial vector relative to instrument and True North in the water body by high frequency radar";
      :sdn_parameter_urn = "SDN:P01::HFRVWD01";
      :sdn_uom_name = "Degrees True";
      :sdn_uom_urn = "SDN:P06::UABB";
      :ancillary_variables = "QCflag OWTR_QC MDFL_QC AVRB_QC RDCT_QC";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    short RDVA(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -32767S; // short
      :valid_min = -10000S; // short
      :valid_max = 10000S; // short
      :standard_name = "radial_sea_water_velocity_away_from_instrument";
      :units = "m s-1";
      :long_name = "Radial sea water velocity away from instrument";
      :sdn_parameter_name = "Speed of water current in the water body by high frequency radar and cell averaging";
      :sdn_parameter_urn = "SDN:P01::HFRDCRSP";
      :sdn_uom_name = "Metres per second";
      :sdn_uom_urn = "SDN:P06::UVAA";
      :ancillary_variables = "QCflag OWTR_QC MDFL_QC CSPD_QC VART_QC RDCT_QC";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    short EWCT(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -32767S; // short
      :valid_min = -10000S; // short
      :valid_max = 10000S; // short
      :standard_name = "surface_eastward_sea_water_velocity";
      :long_name = "Surface eastward sea water velocity";
      :units = "m s-1";
      :sdn_parameter_name = "Eastward velocity of water current in the water body";
      :sdn_parameter_urn = "SDN:P01::LCEWZZ01";
      :sdn_uom_name = "Metres per second";
      :sdn_uom_urn = "SDN:P06::UVAA";
      :ancillary_variables = "QCflag OWTR_QC MDFL_QC CSPD_QC VART_QC AVRB_QC RDCT_QC";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    short NSCT(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -32767S; // short
      :valid_min = -10000S; // short
      :valid_max = 10000S; // short
      :standard_name = "surface_northward_sea_water_velocity";
      :long_name = "Surface northward sea water velocity";
      :units = "m s-1";
      :sdn_parameter_name = "Northward current velocity in the water body";
      :sdn_parameter_urn = "SDN:P01::LCNSZZ01";
      :sdn_uom_name = "Metres per second";
      :sdn_uom_urn = "SDN:P06::UVAA";
      :ancillary_variables = "QCflag OWTR_QC MDFL_QC CSPD_QC VART_QC AVRB_QC RDCT_QC";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    byte NARX(TIME=23246, MAXSITE=1);
      :_FillValue = -127B; // byte
      :long_name = "Number of receive antennas";
      :valid_min = 0B; // byte
      :valid_max = 127B; // byte
      :units = "1";
      :sdn_parameter_name = "";
      :sdn_parameter_urn = "";
      :sdn_uom_name = "Dimensionless";
      :sdn_uom_urn = "SDN:P06::UUUU";

    byte NATX(TIME=23246, MAXSITE=1);
      :_FillValue = -127B; // byte
      :long_name = "Number of transmit antennas";
      :valid_min = 0B; // byte
      :valid_max = 127B; // byte
      :units = "1";
      :sdn_parameter_name = "";
      :sdn_parameter_urn = "";
      :sdn_uom_name = "Dimensionless";
      :sdn_uom_urn = "SDN:P06::UUUU";

    int SLTR(TIME=23246, MAXSITE=1);
      :_FillValue = -2147483647; // int
      :long_name = "Receive antenna latitudes";
      :standard_name = "deployment_latitude";
      :valid_min = -90000; // int
      :valid_max = 90000; // int
      :units = "degree_north";
      :sdn_parameter_name = "Latitude north";
      :sdn_parameter_urn = "SDN:P01::ALATZZ01";
      :sdn_uom_name = "Degrees north";
      :sdn_uom_urn = "SDN:P06::DEGN";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    int SLNR(TIME=23246, MAXSITE=1);
      :_FillValue = -2147483647; // int
      :long_name = "Receive antenna longitudes";
      :standard_name = "deployment_longitude";
      :valid_min = -180000; // int
      :valid_max = 180000; // int
      :units = "degree_east";
      :sdn_parameter_name = "Longitude east";
      :sdn_parameter_urn = "SDN:P01::ALONZZ01";
      :sdn_uom_name = "Degrees east";
      :sdn_uom_urn = "SDN:P06::DEGE";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    int SLTT(TIME=23246, MAXSITE=1);
      :_FillValue = -2147483647; // int
      :long_name = "Transmit antenna latitudes";
      :standard_name = "deployment_latitude";
      :valid_min = -90000; // int
      :valid_max = 90000; // int
      :units = "degree_north";
      :sdn_parameter_name = "Latitude north";
      :sdn_parameter_urn = "SDN:P01::ALATZZ01";
      :sdn_uom_name = "Degrees north";
      :sdn_uom_urn = "SDN:P06::DEGN";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    int SLNT(TIME=23246, MAXSITE=1);
      :_FillValue = -2147483647; // int
      :long_name = "Transmit antenna longitudes";
      :standard_name = "deployment_longitude";
      :valid_min = -180000; // int
      :valid_max = 180000; // int
      :units = "degree_east";
      :sdn_parameter_name = "Longitude east";
      :sdn_parameter_urn = "SDN:P01::ALONZZ01";
      :sdn_uom_name = "Degrees east";
      :sdn_uom_urn = "SDN:P06::DEGE";
      :add_offset = 0.0; // double
      :scale_factor = 0.001; // double

    char SCDR(TIME=23246, MAXSITE=1, STRING4=4);
      :long_name = "Receive antenna codes";
      :sdn_parameter_name = "";
      :sdn_parameter_urn = "";
      :sdn_uom_name = "Dimensionless";
      :sdn_uom_urn = "SDN:P06::UUUU";

    char SCDT(TIME=23246, MAXSITE=1, STRING4=4);
      :sdn_uom_name = "Dimensionless";
      :sdn_uom_urn = "SDN:P06::UUUU";
      :sdn_parameter_name = "";
      :sdn_parameter_urn = "";
      :long_name = "Transmit antenna codes";

    char SDN_CRUISE(TIME=23246, STRING10=10);
      :long_name = "Grid grouping label";

    char SDN_STATION(TIME=23246, STRING15=15);
      :long_name = "Grid label";

    char SDN_LOCAL_CDI_ID(TIME=23246, STRING36=36);
      :long_name = "SeaDataNet CDI identifier";

    short SDN_EDMO_CODE(TIME=23246, MAXINST=1);
      :long_name = "European Directory of Marine Organisations code for the CDI partner";
      :units = "1";

    char SDN_REFERENCES(TIME=23246, STRING85=85);
      :long_name = "Usage metadata reference";

    char SDN_XLINK(TIME=23246, REFMAX=1, STRING146=146);
      :long_name = "External resource linkages";

    byte TIME_QC(TIME=23246);
      :_FillValue = -127B; // byte
      :long_name = "Time quality flag";
      :conventions = "EuroGOOS European HFR Node";
      :valid_min = 0B; // byte
      :valid_max = 9B; // byte
      :flag_values = 0B, 1B, 2B, 3B, 4B, 5B, 6B, 7B, 8B, 9B; // byte
      :flag_meanings = "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value";
      :comment = "Quality flagging for temporal coordinate.";
      :units = "1";

    byte POSITION_QC(TIME=23246, DEPTH=1, RNGE=67, BEAR=72);
      :_FillValue = -127B; // byte
      :long_name = "Position quality flag";
      :conventions = "EuroGOOS European HFR Node";
      :valid_min = 0B; // byte
      :valid_max = 9B; // byte
      :flag_values = 0B, 1B, 2B, 3B, 4B, 5B, 6B, 7B, 8B, 9B; // byte
      :flag_meanings = "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value";
      :comment = "Quality flagging for position coordinates.";
      :units = "1";
      :coordinates = "TIME DEPTH LATITUDE LONGITUDE";

    byte DEPTH_QC(TIME=23246);
      :_FillValue = -127B; // byte
      :long_name = "Depth quality flag";
      :conventions = "EuroGOOS European HFR Node";
      :valid_min = 0B; // byte
      :valid_max = 9B; // byte
      :flag_values = 0B, 1B, 2B, 3B, 4B, 5B, 6B, 7B, 8B, 9B; // byte
      :flag_meanings = "no_qc_performed good_data probably_good_data bad_data_that_are_potentially_correctable bad_data value_changed value_below_detection nominal_value interpolated_value missing_value";
      :comment = "Quality flagging for depth coordinate.";
      :units = "1";

  // global attributes:
  :site_code = "HFR-TirLig";
  :platform_code = "HFR-TirLig-LIGW";
  :wmo_platform_code = "6103569";
  :wigos_id = "0-22000-0-6103569";
  :oceanops_ref = "6103569";
  :data_mode = "R";
  :doa_estimation_method = "Direction Finding";
  :calibration_type = "APM";
  :last_calibration_date = "2018-12-06T00:00:00Z";
  :calibration_link = "carlo.mantovani@cnr.it";
  :title = "Near Real Time Surface Ocean Radial Velocity by HFR-TirLig-LIGW";
  :summary = "The data set consists of maps of radial velocity of the sea water surface current collected by the HF radars systems operated by CNR-ISMAR in the North-Western Tyrrhenian Sea and Ligurian Sea at Celle Ligure (LIGW) site. Data are averaged over a time interval of 1 hour around the cardinal hour. Surface ocean velocities estimated by HF Radar are representative of the upper 0.3-2.5 meters of the ocean.";
  :source = "coastal structure";
  :source_platform_category_code = "17";
  :institution = "National Research Council - Institute of Marine Science, S.S. Lerici";
  :institution_edmo_code = "134";
  :institution_references = "http://www.ismar.cnr.it/";
  :data_assembly_center = "European HFR Node";
  :id = "HFR-TirLig-LIGW_2025-01-02T18:00:00Z";
  :project = "RITMARE, Jerico-Next, IMPACT, SICOMAR Plus, EuroSea, Jerico-S3, SINAPSI";
  :project_edmerp_code = "";
  :naming_authority = "eu.hfrnode";
  :keywords = "OCEAN CURRENTS, SURFACE WATER, RADAR, SCR-HF";
  :keywords_vocabulary = "GCMD Science Keywords";
  :comment = "Total velocities are derived using least square fit that maps radial velocities measured from individual sites onto a cartesian grid. The final product is a map of the horizontal components of the ocean currents on a regular grid in the area of overlap of two or more radar stations.";
  :data_language = "eng";
  :data_character_set = "utf8";
  :metadata_language = "eng";
  :metadata_character_set = "utf8";
  :metadata_contact = "lorenzo.corgnati@sp.ismar.cnr.it";
  :metadata_date_stamp = "2025-01-02T18:50:15Z";
  :topic_category = "oceans";
  :network = "ISMAR_HFR_TirLig";
  :data_type = "HF radar radial current data";
  :geospatial_lat_min = "43.25";
  :geospatial_lat_max = "44.5";
  :geospatial_lat_resolution = "0.013586738";
  :geospatial_lat_units = "degree_north";
  :geospatial_lon_min = "7.5";
  :geospatial_lon_max = "10.5";
  :geospatial_lon_resolution = "0.00033566446";
  :geospatial_lon_units = "degree_east";
  :geospatial_vertical_min = "0";
  :geospatial_vertical_max = "0.8841941282883076";
  :geospatial_vertical_positive = "down";
  :geospatial_vertical_resolution = "0.8841941282883076";
  :geospatial_vertical_units = "m";
  :time_coverage_start = "2025-01-02T17:30:00Z";
  :time_coverage_end = "2025-01-02T18:30:00Z";
  :time_coverage_resolution = "PT1H";
  :time_coverage_duration = "PT1H";
  :area = "Mediterranean Sea";
  :reference_system = "EPSG:4326";
  :cdm_data_type = "grid";
  :format_version = "v3";
  :Conventions = "CF-1.11, EuroGOOS European HFR Node";
  :netcdf_format = "NETCDF4_CLASSIC";
  :netcdf_version = "4.9.3";
  :update_interval = "void";
  :citation = "These data were collected and made freely available by the EuroGOOS European HFR Node. Data collected and processed by CNR-ISMAR within RITMARE, Jerico-Next and IMPACT projects.";
  :distribution_statement = "These data are public and free of charge. User assumes all risk for use of data. User must display citation in any publication or product using data. User must contact PI prior to any commercial use of data.";
  :publisher_name = "European HFR Node";
  :publisher_url = "https://www.hfrnode.eu/";
  :publisher_email = "euhfrnode@azti.es";
  :license = "HF radar sea surface current velocity dataset by CNR-ISMAR is licensed under a Creative Commons Attribution 4.0 International License. You should have received a copy of the license along with this work. If not, see http://creativecommons.org/licenses/by/4.0/.";
  :acknowledgment = "ISMAR HF Radar Network has been established within RITMARE, Jerico-Next and IMPACT projects. The network has been designed, implemented and managed through the efforts of ISMAR S.S. Lerici.";
  :date_created = "2025-01-02T18:50:15Z";
  :history = "Data measured at 2025-01-02T18:00:00Z. netCDF file created at 2025-01-02T18:50:15Z by the European HFR Node.";
  :date_modified = "2025-01-02T18:50:15Z";
  :processing_level = "2B";
  :contributor_name = "Lorenzo Corgnati; Carlo Mantovani";
  :contributor_role = "metadata expert; HFR expert";
  :contributor_email = "lorenzo.corgnati@sp.ismar.cnr.it; carlo.mantovani@cnr.it";
  :creator_name = "Lorenzo Corgnati";
  :creator_email = "lorenzo.corgnati@sp.ismar.cnr.it";
  :creator_url = "https://www.hfrnode.eu/";
  :creator_type = "person";
  :manufacturer = "Codar";
  :sensor_model = "Codar";
  :qc_manual = "Recommendation Report 2 on improved common procedures for HFR QC analysis: http://dx.doi.org/10.25607/OBP-944";
  :doi = "";
  :software_name = "EU_HFR_NODE_NRTprocessor";
  :software_version = "v3";
  :references = "Recommendation Report 2 on improved common procedures for HFR QC analysis: http://dx.doi.org/10.25607/OBP-944";
}