header:
  dimensions:
    num_records: 0
  global_attributes:
    acknowledgement: GRACE-FO is a joint mission of the US National Aeronautics and Space Administration and the German Research Center for Geosciences.  Use the digital object identifier provided in the id attribute when citing this data.  See https://podaac.jpl.nasa.gov/CitingPODAAC
    conventions: CF-1.6, ACDD-1.3, ISO 8601
    creator_email: gracefo@podaac.jpl.nasa.gov
    creator_institution: NASA/JPL
    creator_name: GRACE Follow-On Science Data System
    creator_type: group
    creator_url: http://gracefo.jpl.nasa.gov
    date_created: 2026-03-31T16:24:07Z
    date_issued: 2026-04-06T13:49:38Z
    history:
      []
    id: 10.5067/GFJPL-L1B04
    institution: NASA/JPL
    instrument: LRI
    instrument_vocabulary: NASA Global Change Master Directory instrument keywords
    keywords: GRACE-FO, LRI
    keywords_vocabulary: NASA Global Change Master Directory (GCMD) Science Keywords
    license: https://science.nasa.gov/earth-science/earth-science-data/data-information-policy
    naming_authority: org.doi.dx
    platform: GRACE C
    platform_vocabulary: NASA Global Change Master Directory platform keywords
    processing_level: 1B
    product_version: 04
    program: NASA Earth Systematic Missions Program
    project: NASA Gravity Recovery And Climate Experiment Follow-On (GRACE-FO)
    publisher_email: podaac@jpl.nasa.gov
    publisher_institution: NASA/JPL
    publisher_name: Physical Oceanography Distributed Active Archive Center
    publisher_type: group
    publisher_url: http://podaac.jpl.nasa.gov
    references: https://podaac.jpl.nasa.gov/gravity/gracefo-documentation
    source: GRACE C LRI housekeeping data
    summary: LRI housekeeping data
    time_coverage_start: 2000-01-01T12:00:00.00
    time_coverage_stop: 2000-01-01T12:00:00.00
    title: GRACE-FO Level-1B LRI Housekeeping Data
  non-standard_attributes:
    epoch_time: 2000-01-01T12:00:00.00
    software_build_time: 2023-06-21T17:10:46 UTC
    software_version: V04.10.2020-11-09-77-gc5e91-dirty
    start_time_epoch_secs: 0
    stop_time_epoch_secs: 0
  variables:
    - time_intg:
        comment: 1st column
        coverage_content_type: referenceInformation
        long_name: Seconds past 12:00:00 noon of January 1, 2000 in GPS Time
        units: seconds
    - time_frac:
        comment: 2nd column
        coverage_content_type: referenceInformation
        long_name: Fractional portion of time tag
        units: nanoseconds
        valid_range: 0, 999999999
    - time_ref:
        comment: 3rd column
        coverage_content_type: referenceInformation
        long_name: Time reference frame
        units: char
        value_meanings:
          - B = Before the Science FPGA loads in Receiver Time
          - S = After the Science FPGA loads in Receiver Time
          - G = GPS Time (after the Science FPGA loads)
    - GRACEFO_id:
        comment: 4th column
        coverage_content_type: referenceInformation
        long_name: GRACE-FO satellite identifier
        units: char
        valid_range: C,D
        value_meanings:
          - C = GRACE-FO 1 (GRACE C)
          - D = GRACE-FO 2 (GRACE D)
    - qualflg:
        comment: 5th column
        coverage_content_type: qualityInformation
        flag_masks: 1b, 2b, 4b, 8b, 16b, 32b, 64b, 128b
        flag_meanings:
          - bits 0-5 = Not defined
          - bit 6 = No OBC-to-Receiver Time mapping
          - bit 7 = No clock correction available
        long_name: Quality flag, bit 0 is rightmost
    - sensortype:
        comment: 6th column
        coverage_content_type: referenceInformation
        long_name: Observation type
        units: char
        value_meanings:
          - V = Voltage
          - T = Temperature
          - A = Current
    - sensorvalue:
        comment: 7th column
        coverage_content_type: physicalMeasurement
        long_name: Value of observation
    - sensorname:
        comment: Entire remaining portion of each record
        coverage_content_type: referenceInformation
        long_name: Sensor name.  Max number of characters = 1,000
# End of YAML header
