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: 2026-04-20T14:52:19Z
    date_issued: 2026-04-23T18:13:16Z
    history:
      []
    id: 10.5067/GFJPL-L1A04
    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 D
    platform_vocabulary: NASA Global Change Master Directory platform keywords
    processing_level: 1A
    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: LRI steering mirror data from GRACE D
    summary: 10-Hz LRI steering mirror measurements
    time_coverage_start: 2000-01-01T12:00:00.00
    time_coverage_stop: 2000-01-01T12:00:00.00
    title: GRACE-FO Level-1A LRI Steering Mirror 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 LRI 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: S = 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)
    - internalSensor0:
        comment: 5th column
        coverage_content_type: physicalMeasurement
        long_name: Sensed position of steering mirror at yaw analog position sensor (counts)
    - internalSensor1:
        comment: 6th column
        coverage_content_type: physicalMeasurement
        long_name: Sensed position of steering mirror at pitch analog position sensor (counts)
    - commanded0:
        comment: 7th column
        coverage_content_type: referenceInformation
        long_name: Commanded offset position register of yaw position sensor
    - commanded1:
        comment: 8th column
        coverage_content_type: referenceInformation
        long_name: Commanded offset position register of pitch position sensor
    - qualflg:
        comment: 9th column
        coverage_content_type: qualityInformation
        flag_meanings: bits 0-7 = Not defined
        long_name: Quality flag
# End of YAML header
