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metadata.md

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Trace Metadata

Metadata is stored in the Stats dictionary of each Trace object.

  • network Network code.

    Always NT

  • station Observatory code.

    Examples: BOU, BDT

  • channel Data channel.

    Examples: H, D, Z, F

  • agency_name Name of agency that operates observatory.

  • station_name Name of observatory.

  • geodetic_latitude Latitude of observatory in decimal degrees [-90, 90].

  • geodetic_longitude Longitude of observatory in decimal degrees [0, 360].

  • elevation Elevation of observatory in meters.

  • sensor_orientation Array of channels recorded by sensor.

  • sensor_sampling_rate How frequently sensor sampled in hertz.

  • data_type Review level of data.

    Examples: definitive, provisional, quasi-definitive, variation

  • data_interval Time between data samples. This is usually set, but more useful properties are delta and sampling_rate

    Examples: daily, hourly, minute, second

  • data_interval_type How data interval was produced.

    Examples: average 1 second, filtered 1-minute (00:15-01:45)

  • declination_base Observatory declination baseline.

  • is_intermagnet Whether data is available via intermagnet.

  • conditions_of_use Disclaimer for usage.

  • filter_comments Comments about how data was filtered.

  • comments Other comments about this data.