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ERDDAP > info > BDC_MobileGear_FV_NRT

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   set  data   graph     files  Mobile gears: Oceanographic data from fishing vessels    ?   F   I   M   background (external link) RSS Subscribe Ocean Data Network BDC_MobileGear_FV_NRT

The Dataset's Variables and Attributes

Row Type Variable Name Attribute Name Data Type Value
attribute NC_GLOBAL cdm_data_type String Trajectory
attribute NC_GLOBAL cdm_trajectory_variables String tow_id, vessel_id, vessel_gear_type
attribute NC_GLOBAL contact_email String erddap at oceandata.net
attribute NC_GLOBAL contact_name String Carles Castro Muniain
attribute NC_GLOBAL Conventions String COARDS, CF-1.6, ACDD-1.3, ISSCFG, NCCSV-1.2
attribute NC_GLOBAL creator_name String Carles Castro Muniain
attribute NC_GLOBAL dataset_status String OnGoing
attribute NC_GLOBAL defaultDataQuery String tow_id,time,latitude,longitude,depth,temperature,salinity,sensor_type,vessel_gear_type,data_collection_program,vessel_id,segment_type,platform_code,platform_name,WMO_ID,DOI&time>=max(time)-7days
attribute NC_GLOBAL Easternmost_Easting double 177.143
attribute NC_GLOBAL featureType String Trajectory
attribute NC_GLOBAL geospatial_lat_max double 72.8148
attribute NC_GLOBAL geospatial_lat_min double 40.7016
attribute NC_GLOBAL geospatial_lat_units String degrees_north
attribute NC_GLOBAL geospatial_lon_max double 177.143
attribute NC_GLOBAL geospatial_lon_min double -179.964
attribute NC_GLOBAL geospatial_lon_units String degrees_east
attribute NC_GLOBAL geospatial_vertical_max double 601.79
attribute NC_GLOBAL geospatial_vertical_min double 1.001
attribute NC_GLOBAL geospatial_vertical_positive String down
attribute NC_GLOBAL geospatial_vertical_units String m
attribute NC_GLOBAL infoUrl String https://oceandata.net/data/ (external link)
attribute NC_GLOBAL institution String Ocean Data Network
attribute NC_GLOBAL keywords String data, Earth Science &gt, fish, fishing, gear, industry, latitude, longitude, ocean, Oceans &gt, pressure, profile, program, Salinity, salinity, Salinity/Density &gt, science, sea, seawater
attribute NC_GLOBAL license String

Ocean Data Network (ODN) Data License

This data is provided by the Ocean Data Network (ODN) and its partners under the following terms:

License: Creative Commons Attribution 4.0 International (CC BY 4.0)

You are free to:

  • Share — copy and redistribute the material in any medium or format
  • Adapt — remix, transform, and build upon the material for any purpose, even commercially

Under the following terms:

  • Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made.

Full license details: https://creativecommons.org/licenses/by/4.0/">CC (external link) BY 4.0

Citation

When using this data, please cite:

Ocean Data Network (ODN). [Dataset Title]. Retrieved from [URL]. Accessed on [Date].

Disclaimer

Data is provided "as is" without warranty of any kind. ODN and its partners are not liable for any errors or omissions in the data.
attribute NC_GLOBAL Northernmost_Northing double 72.8148
attribute NC_GLOBAL sourceUrl String (local files)
attribute NC_GLOBAL Southernmost_Northing double 40.7016
attribute NC_GLOBAL standard_name_vocabulary String CF Standard Name Table v55
attribute NC_GLOBAL subsetVariables String sensor_type, vessel_gear_type, data_collection_program, segment_type, platform_code, platform_name, DOI, WMO_ID
attribute NC_GLOBAL summary String Ocean data collected via mobile gear fishing vessels. Location changes over a fishing operation; each tow is analogous to a glider dive. Aggregated from both science and industry programs. Basic QC routine has been applied, all flagged data is removed.
attribute NC_GLOBAL time_coverage_end String 2024-11-03T16:33:20Z
attribute NC_GLOBAL time_coverage_start String 2019-01-16T12:40:00Z
attribute NC_GLOBAL title String Mobile gears: Oceanographic data from fishing vessels
attribute NC_GLOBAL Westernmost_Easting double -179.964
variable tow_id   int  
attribute tow_id _FillValue int 2147483647
attribute tow_id actual_range int 2, 22644
attribute tow_id cf_role String trajectory_id
attribute tow_id comment String A trajectory is one tow, or fishing gear deployment, of a vessel
attribute tow_id ioos_category String Identifier
attribute tow_id long_name String Unique Fishing Operation Identifier
variable time   double  
attribute time _CoordinateAxisType String Time
attribute time actual_range double 1.5476424E9, 1.7306516E9
attribute time axis String T
attribute time ioos_category String Time
attribute time long_name String Datetime
attribute time source_name String datetime
attribute time standard_name String time
attribute time time_origin String 01-JAN-1970 00:00:00
attribute time units String seconds since 1970-01-01T00:00:00Z
variable latitude   float  
attribute latitude _CoordinateAxisType String Lat
attribute latitude _FillValue float NaN
attribute latitude actual_range float 40.7016, 72.8148
attribute latitude axis String Y
attribute latitude colorBarMaximum double 90.0
attribute latitude colorBarMinimum double -90.0
attribute latitude ioos_category String Location
attribute latitude long_name String Latitude
attribute latitude standard_name String latitude
attribute latitude units String degrees_north
variable longitude   float  
attribute longitude _CoordinateAxisType String Lon
attribute longitude _FillValue float NaN
attribute longitude actual_range float -179.964, 177.143
attribute longitude axis String X
attribute longitude colorBarMaximum double 180.0
attribute longitude colorBarMinimum double -180.0
attribute longitude ioos_category String Location
attribute longitude long_name String Longitude
attribute longitude standard_name String longitude
attribute longitude units String degrees_east
variable depth   float  
attribute depth _CoordinateAxisType String Height
attribute depth _CoordinateZisPositive String down
attribute depth _FillValue float NaN
attribute depth actual_range float 1.001, 601.79
attribute depth axis String Z
attribute depth ioos_category String Location
attribute depth long_name String Depth
attribute depth positive String down
attribute depth standard_name String depth
attribute depth units String m
variable temperature   float  
attribute temperature _FillValue float NaN
attribute temperature actual_range float -1.275, 26.302
attribute temperature colorBarMaximum double 25.0
attribute temperature colorBarMinimum double -4.0
attribute temperature ioos_category String Temperature
attribute temperature long_name String Sea Water Temperature
attribute temperature standard_name String sea_water_temperature
attribute temperature units String degree_C
variable salinity   float  
attribute salinity _FillValue float NaN
attribute salinity actual_range float 0.208, 38.572
attribute salinity colorBarMaximum double 36.0
attribute salinity colorBarMinimum double 32.0
attribute salinity ioos_category String Salinity
attribute salinity long_name String Sea Water Practical Salinity
attribute salinity standard_name String sea_water_practical_salinity
attribute salinity units String PSU
variable sensor_type   String  
attribute sensor_type conventions String SensorML
attribute sensor_type ioos_category String Identifier
attribute sensor_type long_name String Sensor Type
attribute sensor_type metadata_link String https://oceandata.net/data/ (external link)
variable vessel_gear_type   String  
attribute vessel_gear_type conventions String ISSCFG
attribute vessel_gear_type ioos_category String Identifier
attribute vessel_gear_type long_name String Fishing Gear Used as a Sensor Platform
attribute vessel_gear_type metadata_link String https://www.fao.org/3/a-bt987e.pdf (external link)
variable data_collection_program   String  
attribute data_collection_program ioos_category String Identifier
attribute data_collection_program long_name String Data Collection Program or Industry Body
variable vessel_id   int  
attribute vessel_id _FillValue int 2147483647
attribute vessel_id actual_range int 1, 96
attribute vessel_id ioos_category String Identifier
attribute vessel_id long_name String Confidential Unique Vessel Identifier
variable segment_type   String  
attribute segment_type conventions String Fishing: bottom data; Profiling Down: gear being set; Profiling Up; gear being hauled
attribute segment_type ioos_category String Identifier
attribute segment_type long_name String Fishing Stage When Data is Collected
attribute segment_type metadata_link String https://oceandata.net/data/ (external link)
variable platform_code   String  
attribute platform_code ioos_category String Identifier
attribute platform_code long_name String Platform Code
variable platform_name   String  
attribute platform_name ioos_category String Identifier
attribute platform_name long_name String Platform Name
variable WMO_ID   String  
attribute WMO_ID ioos_category String Identifier
attribute WMO_ID long_name String Confidential Unique WMO Identifier
variable DOI   String  
attribute DOI ioos_category String Identifier
attribute DOI long_name String Digital Object Identifier
variable qc_vessel_region   byte  
attribute qc_vessel_region _FillValue byte 127
attribute qc_vessel_region actual_range byte 1, 1
attribute qc_vessel_region flag_meanings String NaN/0 No QC was performed, 1 Good data, 2 Suspect data, 4 Bad data, 5 Corrected data, 9 Missing value
attribute qc_vessel_region infoUrl String https://github.com/BerringDC/BDC_qc#vessel-id-control-test (external link)
attribute qc_vessel_region ioos_category String Quality
attribute qc_vessel_region long_name String Flag Vessel Region Test
attribute qc_vessel_region valid_max byte 9
attribute qc_vessel_region valid_min byte 0
variable qc_gear_type   byte  
attribute qc_gear_type _FillValue byte 127
attribute qc_gear_type actual_range byte 1, 3
attribute qc_gear_type comment String Gear Type Control Test: Validates that the depth profile characteristics match the expected behavior for the declared fishing gear type (e.g., trawl, longline, pot). Flag=1 (Good): Profile shape and depth range are consistent with gear type. Flag=3 (Suspect): Profile shows minor deviations from expected gear behavior. Flag=4 (Bad): Profile characteristics are incompatible with declared gear type, suggesting gear misclassification or sensor malfunction.
attribute qc_gear_type flag_meanings String no_qc_performed good_data suspect_data bad_data corrected_data missing_value
attribute qc_gear_type flag_values byte 0, 1, 3, 4, 5, 9
attribute qc_gear_type ioos_category String Quality
attribute qc_gear_type long_name String QC Flag - Gear Type Test
attribute qc_gear_type references String https://github.com/BerringDC/BDC_qc#gear-type-control-test (external link)
attribute qc_gear_type standard_name String quality_flag
attribute qc_gear_type valid_max byte 9
attribute qc_gear_type valid_min byte 0
variable qc_date   byte  
attribute qc_date _FillValue byte 127
attribute qc_date actual_range byte 1, 1
attribute qc_date comment String Impossible Date Test: Checks that timestamps are valid and within expected bounds. Flag=1 (Good): Date/time is valid and within reasonable range (after sensor deployment, before current time). Flag=3 (Suspect): Date/time is valid but unusually close to deployment date or appears to have timezone issues. Flag=4 (Bad): Date is impossible (e.g., future dates, dates before sensor manufacture, invalid month/day values).
attribute qc_date flag_meanings String no_qc_performed good_data suspect_data bad_data corrected_data missing_value
attribute qc_date flag_values byte 0, 1, 3, 4, 5, 9
attribute qc_date ioos_category String Quality
attribute qc_date long_name String QC Flag - Impossible Date Test
attribute qc_date references String https://github.com/BerringDC/BDC_qc#impossible-date-test (external link)
attribute qc_date standard_name String quality_flag
attribute qc_date valid_max byte 9
attribute qc_date valid_min byte 0
variable qc_location   byte  
attribute qc_location _FillValue byte 127
attribute qc_location actual_range byte 1, 1
attribute qc_location comment String Impossible Location Test: Validates that latitude and longitude coordinates are physically possible and over water. Flag=1 (Good): Location is valid and over ocean/sea. Flag=3 (Suspect): Location is valid but near coastline or in shallow water where fishing vessel operation is unusual. Flag=4 (Bad): Location is impossible (lat outside -90 to 90, lon outside -180 to 180), on land, or NULL/missing coordinates.
attribute qc_location flag_meanings String no_qc_performed good_data suspect_data bad_data corrected_data missing_value
attribute qc_location flag_values byte 0, 1, 3, 4, 5, 9
attribute qc_location ioos_category String Quality
attribute qc_location long_name String QC Flag - Impossible Location Test
attribute qc_location references String https://github.com/BerringDC/BDC_qc#impossible-location-test (external link)
attribute qc_location standard_name String quality_flag
attribute qc_location valid_max byte 9
attribute qc_location valid_min byte 0
variable qc_speed   byte  
attribute qc_speed _FillValue byte 127
attribute qc_speed actual_range byte 1, 4
attribute qc_speed flag_meanings String NaN/0 No QC was performed, 1 Good data, 2 Suspect data, 4 Bad data, 5 Corrected data, 9 Missing value
attribute qc_speed infoUrl String https://github.com/BerringDC/BDC_qc#impossible-speed-test (external link)
attribute qc_speed ioos_category String Quality
attribute qc_speed long_name String Flag Speed Test
attribute qc_speed valid_max byte 9
attribute qc_speed valid_min byte 0
variable qc_global_range   byte  
attribute qc_global_range _FillValue byte 127
attribute qc_global_range actual_range byte 1, 4
attribute qc_global_range comment String Global Range Test: Checks that temperature and depth values fall within physically plausible global ranges. Flag=1 (Good): Temperature is within -2 to 35 degrees C and depth is within 0 to 2000m. Flag=3 (Suspect): Values are near the boundaries of expected ranges. Flag=4 (Bad): Values exceed global physical limits (e.g., temperature below -2C or above 35C, negative depth, depth exceeding sensor rating).
attribute qc_global_range flag_meanings String no_qc_performed good_data suspect_data bad_data corrected_data missing_value
attribute qc_global_range flag_values byte 0, 1, 3, 4, 5, 9
attribute qc_global_range ioos_category String Quality
attribute qc_global_range long_name String QC Flag - Global Range Test
attribute qc_global_range references String https://github.com/BerringDC/BDC_qc#global-range-test (external link)
attribute qc_global_range standard_name String quality_flag
attribute qc_global_range valid_max byte 9
attribute qc_global_range valid_min byte 0
variable qc_temp_spike   byte  
attribute qc_temp_spike _FillValue byte 127
attribute qc_temp_spike actual_range byte 1, 1
attribute qc_temp_spike comment String Temperature Spike Test: Detects sudden, isolated temperature changes that are physically unlikely given the surrounding measurements. A spike is identified when a single point deviates significantly from both its predecessor and successor. Flag=1 (Good): No spike detected, temperature change is gradual and consistent. Flag=3 (Suspect): Small spike detected (1-2 degrees C difference), could be real thermocline crossing or minor sensor noise. Flag=4 (Bad): Large spike detected (>2 degrees C), likely sensor malfunction, electrical interference, or data transmission error.
attribute qc_temp_spike flag_meanings String no_qc_performed good_data suspect_data bad_data corrected_data missing_value
attribute qc_temp_spike flag_values byte 0, 1, 3, 4, 5, 9
attribute qc_temp_spike ioos_category String Quality
attribute qc_temp_spike long_name String QC Flag - Temperature Spike Test
attribute qc_temp_spike references String https://github.com/BerringDC/BDC_qc#spike-test (external link)
attribute qc_temp_spike standard_name String quality_flag
attribute qc_temp_spike valid_max byte 9
attribute qc_temp_spike valid_min byte 0
variable qc_sal_spike   byte  
attribute qc_sal_spike _FillValue byte 127
attribute qc_sal_spike actual_range byte 1, 4
attribute qc_sal_spike comment String Salinity Spike Test: Detects sudden, isolated salinity changes that are physically unlikely given the surrounding measurements. A spike is identified when a single point deviates significantly from both its predecessor and successor. Flag=1 (Good): No spike detected, salinity change is gradual and consistent. Flag=3 (Suspect): Small spike detected, could be real halocline crossing or minor sensor noise. Flag=4 (Bad): Large spike detected, likely sensor malfunction, electrical interference, or data transmission error.
attribute qc_sal_spike flag_meanings String no_qc_performed good_data suspect_data bad_data corrected_data missing_value
attribute qc_sal_spike flag_values byte 0, 1, 3, 4, 5, 9
attribute qc_sal_spike ioos_category String Quality
attribute qc_sal_spike long_name String QC Flag - Salinity Spike Test
attribute qc_sal_spike references String https://github.com/BerringDC/BDC_qc#spike-test (external link)
attribute qc_sal_spike standard_name String quality_flag
attribute qc_sal_spike valid_max byte 9
attribute qc_sal_spike valid_min byte 0
variable qc_rollover   byte  
attribute qc_rollover _FillValue byte 127
attribute qc_rollover actual_range byte 1, 3
attribute qc_rollover comment String Digit Rollover Test: Detects sensor digit rollover errors where values suddenly jump when they exceed the sensor's digital range (e.g., jumping from 99.9 to 0.0 instead of continuing to 100.0). Flag=1 (Good): No rollover pattern detected in the data. Flag=3 (Suspect): Pattern resembles possible rollover but could be real environmental change. Flag=4 (Bad): Clear rollover signature detected - sudden large jump that resets to near-zero or sensor minimum, indicating sensor range exceeded or firmware bug.
attribute qc_rollover flag_meanings String no_qc_performed good_data suspect_data bad_data corrected_data missing_value
attribute qc_rollover flag_values byte 0, 1, 3, 4, 5, 9
attribute qc_rollover ioos_category String Quality
attribute qc_rollover long_name String QC Flag - Digit Rollover Test
attribute qc_rollover references String https://github.com/BerringDC/BDC_qc#digit-rollover-test (external link)
attribute qc_rollover standard_name String quality_flag
attribute qc_rollover valid_max byte 9
attribute qc_rollover valid_min byte 0
variable qc_temp_stuck   byte  
attribute qc_temp_stuck _FillValue byte 127
attribute qc_temp_stuck actual_range byte 1, 4
attribute qc_temp_stuck comment String Stuck Value (Flat Line) Test: Identifies when the temperature sensor reports identical values for an extended period, which is physically unlikely in a moving ocean environment. Flag=1 (Good): Normal variability in temperature readings. Flag=3 (Suspect): Temperature shows unusually low variability over several readings (variance less than 0.01 degrees C), could indicate sensor in thermally stable layer or beginning of sensor failure. Flag=4 (Bad): Temperature is completely constant (zero variance) over many consecutive readings, indicating sensor malfunction, frozen/stuck sensor, or data transmission repeating same value.
attribute qc_temp_stuck flag_meanings String no_qc_performed good_data suspect_data bad_data corrected_data missing_value
attribute qc_temp_stuck flag_values byte 0, 1, 3, 4, 5, 9
attribute qc_temp_stuck ioos_category String Quality
attribute qc_temp_stuck long_name String QC Flag - Temperature Stuck/Flat Line Test
attribute qc_temp_stuck references String https://github.com/BerringDC/BDC_qc#stuck-value-flat-line-test (external link)
attribute qc_temp_stuck standard_name String quality_flag
attribute qc_temp_stuck valid_max byte 9
attribute qc_temp_stuck valid_min byte 0
variable qc_sal_stuck   byte  
attribute qc_sal_stuck _FillValue byte 127
attribute qc_sal_stuck actual_range byte 1, 4
attribute qc_sal_stuck comment String Stuck Value (Flat Line) Test: Identifies when the salinity sensor reports identical values for an extended period, which is physically unlikely in a moving ocean environment. Flag=1 (Good): Normal variability in salinity readings. Flag=3 (Suspect): Salinity shows unusually low variability over several readings, could indicate sensor in stable water mass or beginning of sensor failure. Flag=4 (Bad): Salinity is completely constant (zero variance) over many consecutive readings, indicating sensor malfunction, frozen/stuck sensor, or data transmission repeating same value.
attribute qc_sal_stuck flag_meanings String no_qc_performed good_data suspect_data bad_data corrected_data missing_value
attribute qc_sal_stuck flag_values byte 0, 1, 3, 4, 5, 9
attribute qc_sal_stuck ioos_category String Quality
attribute qc_sal_stuck long_name String QC Flag - Salinity Stuck/Flat Line Test
attribute qc_sal_stuck references String https://github.com/BerringDC/BDC_qc#stuck-value-flat-line-test (external link)
attribute qc_sal_stuck standard_name String quality_flag
attribute qc_sal_stuck valid_max byte 9
attribute qc_sal_stuck valid_min byte 0
variable qc_RoC   byte  
attribute qc_RoC _FillValue byte 127
attribute qc_RoC actual_range byte 1, 3
attribute qc_RoC comment String Rate of Change (RoC) Test: Evaluates whether the rate of temperature change over time or depth is physically realistic for the ocean environment. Unlike the spike test which looks at isolated points, this test examines sustained trends. Flag=1 (Good): Temperature change rate is within expected oceanographic bounds (typically less than 1 degree C per 10m depth or per minute). Flag=3 (Suspect): Rate of change is elevated but possible in strong thermoclines or frontal zones. Flag=4 (Bad): Rate of change exceeds physical possibility, indicating sensor drift, calibration issues, or data corruption.
attribute qc_RoC flag_meanings String no_qc_performed good_data suspect_data bad_data corrected_data missing_value
attribute qc_RoC flag_values byte 0, 1, 3, 4, 5, 9
attribute qc_RoC ioos_category String Quality
attribute qc_RoC long_name String QC Flag - Rate of Change Test
attribute qc_RoC references String https://github.com/BerringDC/BDC_qc#rate-of-change-test (external link)
attribute qc_RoC standard_name String quality_flag
attribute qc_RoC valid_max byte 9
attribute qc_RoC valid_min byte 0
variable qc_clima   byte  
attribute qc_clima _FillValue byte 127
attribute qc_clima actual_range byte 1, 3
attribute qc_clima flag_meanings String NaN/0 No QC was performed, 1 Good data, 2 Suspect data, 4 Bad data, 5 Corrected data, 9 Missing value
attribute qc_clima infoUrl String https://github.com/BerringDC/BDC_qc#climatology-test (external link)
attribute qc_clima ioos_category String Quality
attribute qc_clima long_name String Flag Climatology Test
attribute qc_clima valid_max byte 9
attribute qc_clima valid_min byte 0
variable qc_drift   byte  
attribute qc_drift _FillValue byte 127
attribute qc_drift actual_range byte 1, 3
attribute qc_drift comment String Drift Test: Evaluates whether temperature shows substantial drift when the sensor is near the sea floor (Fishing segment). For deployments less than 24 hours, if the temperature difference between the start and end of the bottom segment exceeds 3°C, the data is flagged as suspect. Flag=1 (Good): Bottom temperature is stable throughout the fishing segment. Flag=3 (Suspect): Temperature drifted more than 3°C during the bottom segment, suggesting possible sensor drift, calibration issues, or environmental change.
attribute qc_drift flag_meanings String no_qc_performed good_data suspect_data bad_data corrected_data missing_value
attribute qc_drift flag_values byte 0, 1, 3, 4, 5, 9
attribute qc_drift ioos_category String Quality
attribute qc_drift long_name String QC Flag - Drift Test
attribute qc_drift references String https://github.com/BerringDC/BDC_qc#drift-test (external link)
attribute qc_drift standard_name String quality_flag
attribute qc_drift valid_max byte 9
attribute qc_drift valid_min byte 0
variable qc_response_time   byte  
attribute qc_response_time _FillValue byte 127
attribute qc_response_time comment String Response Time Test: Checks the sensor response time during profiling (descent and ascent). The rate of pressure change over time is calculated to identify if the sensor is descending or ascending too fast for accurate temperature measurement. Flag=1 (Good): Descent/ascent rate is less than 1 dbar/s, allowing adequate sensor response. Flag=3 (Suspect): Descent/ascent rate is between 1-2 dbar/s, temperature readings may lag behind actual values. Flag=4 (Bad): Descent/ascent rate exceeds 2 dbar/s, sensor cannot respond quickly enough for reliable measurements.
attribute qc_response_time flag_meanings String no_qc_performed good_data suspect_data bad_data corrected_data missing_value
attribute qc_response_time flag_values byte 0, 1, 3, 4, 5, 9
attribute qc_response_time ioos_category String Quality
attribute qc_response_time long_name String QC Flag - Response Time Test
attribute qc_response_time references String https://github.com/BerringDC/BDC_qc#response-time-test (external link)
attribute qc_response_time standard_name String quality_flag
attribute qc_response_time valid_max byte 9
attribute qc_response_time valid_min byte 0
variable qc_calibration_date   byte  
attribute qc_calibration_date _FillValue byte 127
attribute qc_calibration_date actual_range byte 1, 1
attribute qc_calibration_date comment String Calibration Date Test: Checks if the sensor is being used beyond its recommended calibration period. For ZebraTech/MOANA sensors, calibration is recommended every 2 years. Flag=1 (Good): Sensor is within calibration period. Flag=2 (Not evaluated): Calibration date is unknown or not available. Flag=3 (Suspect): Sensor is more than 2 years past its last calibration date, measurements may have drifted from true values.
attribute qc_calibration_date flag_meanings String no_qc_performed good_data calibration_date_unknown suspect_data corrected_data missing_value
attribute qc_calibration_date flag_values byte 0, 1, 2, 3, 5, 9
attribute qc_calibration_date ioos_category String Quality
attribute qc_calibration_date long_name String QC Flag - Calibration Date Test
attribute qc_calibration_date references String https://github.com/BerringDC/BDC_qc#calibration-date-test (external link)
attribute qc_calibration_date standard_name String quality_flag
attribute qc_calibration_date valid_max byte 9
attribute qc_calibration_date valid_min byte 0
variable qc_flag   byte  
attribute qc_flag _FillValue byte 127
attribute qc_flag actual_range byte 1, 4
attribute qc_flag comment String Overall Quality Flag: The master QC flag representing the worst (highest) flag value from all individual QC tests applied to this data point. This provides a single flag for users who want to filter data without examining each individual test. Flag=1 (Good): All QC tests passed. Flag=3 (Suspect): At least one QC test flagged the data as suspect. Flag=4 (Bad): At least one QC test flagged the data as bad/failed.
attribute qc_flag flag_meanings String no_qc_performed good_data suspect_data bad_data corrected_data missing_value
attribute qc_flag flag_values byte 0, 1, 3, 4, 5, 9
attribute qc_flag ioos_category String Quality
attribute qc_flag long_name String QC Flag - Overall Quality Flag
attribute qc_flag references String https://github.com/BerringDC/BDC_qc (external link)
attribute qc_flag standard_name String quality_flag
attribute qc_flag valid_max byte 9
attribute qc_flag valid_min byte 0

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.


 
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