Attributes {
 s {
  Environment_sound_speed_indicative {
    Float64 _FillValue NaN;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Currents";
    String long_name "Indicative sound speed";
    Float64 missing_value NaN;
    String standard_name "speed_of_sound_in_sea_water";
    String units "m/s";
    Float64 valid_min 0.0;
  }
  Platform_water_level {
    Float64 _FillValue NaN;
    String ioos_category "Sea Level";
    String long_name "Distance from the platform coordinate system origin to the nominal water level along the z-axis";
    Float64 missing_value NaN;
    String units "m";
  }
  Platform_MRU_offset_x {
    Float64 _FillValue NaN;
    String ioos_category "Location";
    String long_name "Distance along the x-axis from the platform coordinate system origin to the motion reference unit sensor origin";
    Float64 missing_value NaN;
    String units "m";
  }
  Platform_MRU_offset_y {
    Float64 _FillValue NaN;
    String ioos_category "Location";
    String long_name "Distance along the y-axis from the platform coordinate system origin to the motion reference unit sensor origin";
    Float64 missing_value NaN;
    String units "m";
  }
  Platform_MRU_offset_z {
    Float64 _FillValue NaN;
    String ioos_category "Location";
    String long_name "Distance along the z-axis from the platform coordinate system origin to the motion reference unit sensor origin";
    Float64 missing_value NaN;
    String units "m";
  }
  Platform_MRU_rotation_x {
    Float64 _FillValue NaN;
    String ioos_category "Location";
    String long_name "Extrinsic rotation about the x-axis from the platform to MRU coordinate systems";
    Float64 missing_value NaN;
    String units "arc_degree";
  }
  Platform_MRU_rotation_y {
    Float64 _FillValue NaN;
    String ioos_category "Location";
    String long_name "Extrinsic rotation about the y-axis from the platform to MRU coordinate systems";
    Float64 missing_value NaN;
    String units "arc_degree";
  }
  Platform_MRU_rotation_z {
    Float64 _FillValue NaN;
    String ioos_category "Location";
    String long_name "Extrinsic rotation about the z-axis from the platform to MRU coordinate systems";
    Float64 missing_value NaN;
    String units "arc_degree";
  }
  Platform_position_offset_x {
    Float64 _FillValue NaN;
    String ioos_category "Location";
    String long_name "Distance along the x-axis from the platform coordinate system origin to the latitude/longitude sensor origin";
    Float64 missing_value NaN;
    String units "m";
  }
  Platform_position_offset_y {
    Float64 _FillValue NaN;
    String ioos_category "Location";
    String long_name "Distance along the y-axis from the platform coordinate system origin to the latitude/longitude sensor origin";
    Float64 missing_value NaN;
    String units "m";
  }
  Platform_position_offset_z {
    Float64 _FillValue NaN;
    String ioos_category "Location";
    String long_name "Distance along the z-axis from the platform coordinate system origin to the latitude/longitude sensor origin";
    Float64 missing_value NaN;
    String units "m";
  }
  Sonar_Beam_group1_frequency_nominal {
    Float64 _FillValue NaN;
    Float64 actual_range 67000.0, 769000.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Unknown";
    String long_name "Transducer frequency";
    String standard_name "sound_frequency";
    String units "Hz";
    Float64 valid_min 0.0;
  }
  Sonar_Beam_group1_beam_type {
    Int32 _FillValue 2147483647;
    Int32 actual_range 0, 0;
    Float64 colorBarMaximum 1.5;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "Single beam
Split aperture beam";
    Int32 flag_values 0, 1;
    String ioos_category "Unknown";
    String long_name "Beam type";
  }
  Sonar_Beam_group1_beam_direction_x {
    Float64 _FillValue NaN;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Currents";
    String long_name "x-component of the vector that gives the pointing direction of the beam, in sonar beam coordinate system";
    Float64 missing_value NaN;
    String units "1";
    Float64 valid_range -1.0, 1.0;
  }
  Sonar_Beam_group1_beam_direction_y {
    Float64 _FillValue NaN;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Currents";
    String long_name "y-component of the vector that gives the pointing direction of the beam, in sonar beam coordinate system";
    Float64 missing_value NaN;
    String units "1";
    Float64 valid_range -1.0, 1.0;
  }
  Sonar_Beam_group1_beam_direction_z {
    Float64 _FillValue NaN;
    Float64 colorBarMaximum 360.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Currents";
    String long_name "z-component of the vector that gives the pointing direction of the beam, in sonar beam coordinate system";
    Float64 missing_value NaN;
    String units "1";
    Float64 valid_range -1.0, 1.0;
  }
  Sonar_Beam_group1_backscatter_r {
    Float32 _FillValue NaN;
    Float32 actual_range 15269.0, 65535.0;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "Raw backscatter measurements (real part)";
    String units "count";
  }
  Sonar_Beam_group1_equivalent_beam_angle {
    Float64 _FillValue NaN;
    Float64 actual_range 0.008200000040233, 0.02408999949694;
    Float64 colorBarMaximum 15.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Unknown";
    String long_name "Equivalent beam angle";
    String units "sr";
    Float64 valid_range 0.0, 12.566370614359172;
  }
  Sonar_Beam_group1_gain_correction {
    Float64 _FillValue NaN;
    Float64 actual_range 17.0, 230.0;
    String ioos_category "Unknown";
    String long_name "Gain correction";
    String units "dB";
  }
  Sonar_Beam_group1_sample_interval {
    Float64 _FillValue NaN;
    Float64 actual_range 1.5625e-5, 1.5625e-5;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Unknown";
    String long_name "Interval between recorded raw data samples";
    String units "s";
    Float64 valid_min 0.0;
  }
  Sonar_Beam_group1_transmit_duration_nominal {
    Float64 _FillValue NaN;
    Float64 actual_range 6.8e-5, 5.0e-4;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Unknown";
    String long_name "Nominal bandwidth of transmitted pulse";
    String units "s";
    Float64 valid_min 0.0;
  }
  Sonar_Beam_group1_transmit_frequency_start {
    Float64 _FillValue NaN;
    Float64 actual_range 67000.0, 769000.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Unknown";
    String long_name "Start frequency in transmitted pulse";
    String standard_name "sound_frequency";
    String units "Hz";
    Float64 valid_min 0.0;
  }
  Sonar_Beam_group1_transmit_frequency_stop {
    Float64 _FillValue NaN;
    Float64 actual_range 67000.0, 769000.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Unknown";
    String long_name "Stop frequency in transmitted pulse";
    String standard_name "sound_frequency";
    String units "Hz";
    Float64 valid_min 0.0;
  }
  Sonar_Beam_group1_transmit_type {
    String flag_meanings "Continuous Wave ? a pulse nominally of one frequency";
    String flag_values "CW";
    String ioos_category "Unknown";
    String long_name "Type of transmitted pulse";
  }
  Sonar_Beam_group1_beam_stabilisation {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 0;
    Float64 colorBarMaximum 1.5;
    Float64 colorBarMinimum 0.0;
    String flag_meanings "not stabilised
stabilised";
    Int32 flag_values 0, 1;
    String ioos_category "Unknown";
    String long_name "Beam stabilisation applied (or not)";
  }
  Sonar_Beam_group1_non_quantitative_processing {
    Int16 _FillValue 32767;
    Int16 actual_range 0, 0;
    Float64 colorBarMaximum 1.0;
    Float64 colorBarMinimum -1.0;
    Int32 flag_values 0;
    String ioos_category "Unknown";
    String long_name "Presence or not of non-quantitative processing applied to the backscattering data (sonar specific)";
  }
  Sonar_Beam_group1_sample_time_offset {
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 0.0;
    String ioos_category "Time";
    String long_name "Time offset that is subtracted from the timestamp of each sample";
    String units "s";
  }
  Sonar_Beam_group1_channel {
    String ioos_category "Identifier";
    String long_name "Vendor channel ID";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.70458326e+9, 1.704583319e+9;
    String axis "T";
    String calendar "gregorian";
    String ioos_category "Time";
    String long_name "Timestamp of each ping";
    String source_name "Sonar/Beam_group1/ping_time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  Sonar_Beam_group1_range_sample {
    Int32 _FillValue 2147483647;
    Int32 actual_range 0, 616;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "Along-range sample number, base 0";
  }
  Vendor_specific_profile_flag {
    Int32 _FillValue 2147483647;
    Int32 actual_range 64770, 64770;
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Quality";
    String long_name "Vendor Specific/profile Flag";
  }
  Vendor_specific_burst_interval {
    Int32 _FillValue 2147483647;
    Int32 actual_range 3600, 3600;
    String ioos_category "Time";
    String long_name "Time in seconds between bursts or between pings if the burst interval has been set equal to the ping period";
  }
  Vendor_specific_ping_per_profile {
    Int32 _FillValue 2147483647;
    Int32 actual_range 60, 60;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "Number of pings in a profile if ping averaging has been selected";
  }
  Vendor_specific_average_pings_flag {
    Int32 _FillValue 2147483647;
    Int32 actual_range 0, 0;
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Quality";
    String long_name "Flag indicating whether the pings average in time";
  }
  Vendor_specific_spare_channel {
    Int32 _FillValue 2147483647;
    Int32 actual_range 125, 125;
    String ioos_category "Unknown";
    String long_name "Spare channel";
  }
  Vendor_specific_ping_period {
    Int32 _FillValue 2147483647;
    Int32 actual_range 1, 1;
    String ioos_category "Time";
    String long_name "Time between pings in a profile set";
  }
  Vendor_specific_phase {
    Int32 _FillValue 2147483647;
    Int32 actual_range 0, 0;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "Phase number used to acquire the profile";
  }
  Vendor_specific_number_of_channels {
    Int32 _FillValue 2147483647;
    Int32 actual_range 4, 4;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "Number of channels (1, 2, 3, or 4)";
  }
  Vendor_specific_instrument_type {
    Int32 _FillValue 2147483647;
    Int32 actual_range 5, 5;
    String ioos_category "Unknown";
    String long_name "Vendor Specific/instrument Type";
  }
  Vendor_specific_minor {
    Int32 _FillValue 2147483647;
    Int32 actual_range 32, 32;
    String ioos_category "Unknown";
    String long_name "Vendor Specific/minor";
  }
  Vendor_specific_major {
    Int32 _FillValue 2147483647;
    Int32 actual_range 3, 3;
    String ioos_category "Unknown";
    String long_name "Vendor Specific/major";
  }
  Vendor_specific_date {
    Int32 _FillValue 2147483647;
    Int32 actual_range 20201210, 20201210;
    String ioos_category "Time";
    String long_name "Vendor Specific/date";
  }
  Vendor_specific_program {
    Int32 _FillValue 2147483647;
    Int32 actual_range 0, 0;
    String ioos_category "Unknown";
    String long_name "Vendor Specific/program";
  }
  Vendor_specific_board_version {
    Int32 _FillValue 2147483647;
    Int32 actual_range 132, 132;
    String ioos_category "Unknown";
    String long_name "Vendor Specific/board Version";
  }
  Vendor_specific_file_version {
    Int32 _FillValue 2147483647;
    Int32 actual_range 1, 1;
    String ioos_category "Unknown";
    String long_name "Vendor Specific/file Version";
  }
  Vendor_specific_parameter_version {
    Int32 _FillValue 2147483647;
    Int32 actual_range 2, 2;
    String ioos_category "Unknown";
    String long_name "Vendor Specific/parameter Version";
  }
  Vendor_specific_configuration_version {
    Int32 _FillValue 2147483647;
    Int32 actual_range 2, 2;
    String ioos_category "Unknown";
    String long_name "Vendor Specific/configuration Version";
  }
  Vendor_specific_XML_sensors_flag {
    Int32 _FillValue 2147483647;
    Int32 actual_range 2, 2;
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Quality";
    String long_name "Vendor Specific/XML Sensors Flag";
  }
  Vendor_specific_number_of_frequency {
    Int32 _FillValue 2147483647;
    Int32 actual_range 4, 4;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "Vendor Specific/number Of Frequency";
  }
  Vendor_specific_temperature_ka {
    Float64 _FillValue NaN;
    Float64 actual_range 525.0, 525.0;
    String ioos_category "Temperature";
    String long_name "Thermistor bridge coefficient a";
  }
  Vendor_specific_temperature_kb {
    Float64 _FillValue NaN;
    Float64 actual_range 3000.0, 3000.0;
    String ioos_category "Temperature";
    String long_name "Thermistor bridge coefficient b";
  }
  Vendor_specific_temperature_kc {
    Float64 _FillValue NaN;
    Float64 actual_range 1.874, 1.874;
    String ioos_category "Temperature";
    String long_name "Thermistor bridge coefficient c";
  }
  Vendor_specific_temperature_A {
    Float64 _FillValue NaN;
    Float64 actual_range 0.001466, 0.001466;
    String ioos_category "Temperature";
    String long_name "Thermistor calibration coefficient A";
  }
  Vendor_specific_temperature_B {
    Float64 _FillValue NaN;
    Float64 actual_range 2.38809e-4, 2.38809e-4;
    String ioos_category "Temperature";
    String long_name "Thermistor calibration coefficient B";
  }
  Vendor_specific_temperature_C {
    Float64 _FillValue NaN;
    Float64 actual_range 1.00335e-7, 1.00335e-7;
    String ioos_category "Temperature";
    String long_name "Thermistor calibration coefficient C";
  }
  Vendor_specific_tilt_X_a {
    Float64 _FillValue NaN;
    Float64 actual_range -19.6812249, -19.6812249;
    String ioos_category "Location";
    String long_name "Calibration coefficient a for Tilt-X";
  }
  Vendor_specific_tilt_X_b {
    Float64 _FillValue NaN;
    Float64 actual_range -0.007098913, -0.007098913;
    String ioos_category "Location";
    String long_name "Calibration coefficient b for Tilt-X";
  }
  Vendor_specific_tilt_X_c {
    Float64 _FillValue NaN;
    Float64 actual_range 5.57404e-7, 5.57404e-7;
    String ioos_category "Location";
    String long_name "Calibration coefficient c for Tilt-X";
  }
  Vendor_specific_tilt_X_d {
    Float64 _FillValue NaN;
    Float64 actual_range -8.60359e-12, -8.60359e-12;
    String ioos_category "Location";
    String long_name "Calibration coefficient d for Tilt-X";
  }
  Vendor_specific_tilt_Y_a {
    Float64 _FillValue NaN;
    Float64 actual_range -17.33890308, -17.33890308;
    String ioos_category "Location";
    String long_name "Calibration coefficient a for Tilt-Y";
  }
  Vendor_specific_tilt_Y_b {
    Float64 _FillValue NaN;
    Float64 actual_range -0.007960514, -0.007960514;
    String ioos_category "Location";
    String long_name "Calibration coefficient b for Tilt-Y";
  }
  Vendor_specific_tilt_Y_c {
    Float64 _FillValue NaN;
    Float64 actual_range 6.08506e-7, 6.08506e-7;
    String ioos_category "Location";
    String long_name "Calibration coefficient c for Tilt-Y";
  }
  Vendor_specific_tilt_Y_d {
    Float64 _FillValue NaN;
    Float64 actual_range -9.43979e-12, -9.43979e-12;
    String ioos_category "Location";
    String long_name "Calibration coefficient d for Tilt-Y";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String Conventions "CF-1.10, SONAR-netCDF4-1.0, ACDD-1.3, COARDS";
    String conventions "CF-1.10, SONAR-netCDF4-1.0, ACDD-1.3, COARDS";
    String date_created "2024-01-06T23:21:00Z";
    String history "2024-11-25T04:41:18Z (local files)
2024-11-25T04:41:18Z https://acoustics.fish.washington.edu/erddap/tabledap/azfp_test.das";
    String infoUrl "https://www.glerl.noaa.gov/";
    String institution "NOAA - Great Lakes Environmental Research Laboratory";
    String keywords "azfp, beach, board, configuration, currents, data, date, Environment_sound_speed_indicative, erie, file, flag, frequency, identifier, instrument, lake, level, major, minor, number, parameter, Platform_MRU_offset_x, Platform_MRU_offset_y, Platform_MRU_offset_z, Platform_MRU_rotation_x, Platform_MRU_rotation_y, Platform_MRU_rotation_z, Platform_position_offset_x, Platform_position_offset_y, Platform_position_offset_z, Platform_water_level, profile, program, quality, reno, sea, sea level, sensors, Sonar_Beam_group1_backscatter_r, Sonar_Beam_group1_beam_direction_x, Sonar_Beam_group1_beam_direction_y, Sonar_Beam_group1_beam_direction_z, Sonar_Beam_group1_beam_stabilisation, Sonar_Beam_group1_beam_type, Sonar_Beam_group1_channel, Sonar_Beam_group1_equivalent_beam_angle, Sonar_Beam_group1_frequency_nominal, Sonar_Beam_group1_gain_correction, Sonar_Beam_group1_non_quantitative_processing, Sonar_Beam_group1_range_sample, Sonar_Beam_group1_sample_interval, Sonar_Beam_group1_sample_time_offset, Sonar_Beam_group1_transmit_duration_nominal, Sonar_Beam_group1_transmit_frequency_start, Sonar_Beam_group1_transmit_frequency_stop, Sonar_Beam_group1_transmit_type, specific, specific/board, specific/configuration, specific/date, specific/file, specific/instrument, specific/major, specific/minor, specific/number, specific/parameter, specific/profile, specific/program, specific/xml, station, statistics, temperature, time, type, vendor, Vendor_specific_average_pings_flag, Vendor_specific_board_version, Vendor_specific_burst_interval, Vendor_specific_configuration_version, Vendor_specific_date, Vendor_specific_file_version, Vendor_specific_instrument_type, Vendor_specific_major, Vendor_specific_minor, Vendor_specific_number_of_channels, Vendor_specific_number_of_frequency, Vendor_specific_parameter_version, Vendor_specific_phase, Vendor_specific_ping_per_profile, Vendor_specific_ping_period, Vendor_specific_profile_flag, Vendor_specific_program, Vendor_specific_spare_channel, Vendor_specific_temperature_A, Vendor_specific_temperature_B, Vendor_specific_temperature_C, Vendor_specific_temperature_ka, Vendor_specific_temperature_kb, Vendor_specific_temperature_kc, Vendor_specific_tilt_X_a, Vendor_specific_tilt_X_b, Vendor_specific_tilt_X_c, Vendor_specific_tilt_X_d, Vendor_specific_tilt_Y_a, Vendor_specific_tilt_Y_b, Vendor_specific_tilt_Y_c, Vendor_specific_tilt_Y_d, Vendor_specific_XML_sensors_flag, version, xml";
    String license "The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.";
    String sonar_convention_authority "ICES";
    String sonar_convention_name "SONAR-netCDF4";
    String sonar_convention_version "1.0";
    String sourceUrl "(local files)";
    String standard_name_vocabulary "CF Standard Name Table v70";
    String subsetVariables "Environment_sound_speed_indicative, Platform_water_level, Platform_MRU_offset_x, Platform_MRU_offset_y, Platform_MRU_offset_z, Platform_MRU_rotation_x, Platform_MRU_rotation_y, Platform_MRU_rotation_z, Platform_position_offset_x, Platform_position_offset_y, Platform_position_offset_z, Sonar_Beam_group1_beam_type, Sonar_Beam_group1_beam_direction_x, Sonar_Beam_group1_beam_direction_y, Sonar_Beam_group1_beam_direction_z, Sonar_Beam_group1_sample_interval, Sonar_Beam_group1_transmit_type, Sonar_Beam_group1_beam_stabilisation, Sonar_Beam_group1_non_quantitative_processing, Sonar_Beam_group1_sample_time_offset, Vendor_specific_profile_flag, Vendor_specific_burst_interval, Vendor_specific_ping_per_profile, Vendor_specific_average_pings_flag, Vendor_specific_spare_channel, Vendor_specific_ping_period, Vendor_specific_phase, Vendor_specific_number_of_channels, Vendor_specific_instrument_type, Vendor_specific_minor, Vendor_specific_major, Vendor_specific_date, Vendor_specific_program, Vendor_specific_board_version, Vendor_specific_file_version, Vendor_specific_parameter_version, Vendor_specific_configuration_version, Vendor_specific_XML_sensors_flag, Vendor_specific_number_of_frequency, Vendor_specific_temperature_ka, Vendor_specific_temperature_kb, Vendor_specific_temperature_kc, Vendor_specific_temperature_A, Vendor_specific_temperature_B, Vendor_specific_temperature_C, Vendor_specific_tilt_X_a, Vendor_specific_tilt_X_b, Vendor_specific_tilt_X_c, Vendor_specific_tilt_X_d, Vendor_specific_tilt_Y_a, Vendor_specific_tilt_Y_b, Vendor_specific_tilt_Y_c, Vendor_specific_tilt_Y_d";
    String summary "AZFP raw file from the 2024 Lake Erie Reno Beach Station, converted to a SONAR-netCDF4 file using echopype.";
    String time_coverage_end "2024-01-06T23:21:59Z";
    String time_coverage_start "2024-01-06T23:21:00Z";
    String title "2024 Lake Erie Reno Beach Station";
  }
}