{
  "id": "ELB_L1_EPDIF",
  "url": "http://hpde.io/NASA/NumericalData/ELFIN/B/EPD/L1/ion/PT0.264S",
  "data-file": "./data/spase_hpde_io/info/ELB_L1_EPDIF.json",
  "data": {
    "Spase": {
      "xmlns": "http://www.spase-group.org/data/schema",
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          "RightsName": "Creative Commons Zero v1.0 Universal",
          "Note": "CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions"
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      },
      "NumericalData": {
        "ResourceID": "spase://NASA/NumericalData/ELFIN/B/EPD/L1/ion/PT0.264S",
        "NamingAuthority": "NASA",
        "ResourceType": "NumericalData",
        "ResourceHeader": {
          "ResourceName": "ELFIN B Energetic Particle Detectors for Ions (EPD-I) 0.264 s Data",
          "DOI": "https://doi.org/10.48322/0etj-j292",
          "ReleaseDate": "2025-12-04T13:29:11Z",
          "RevisionHistory": {
            "RevisionEvent": [
              {
                "ReleaseDate": "2024-06-26T12:34:56.789Z",
                "Note": "Numerical data metadata added to the Github. JMW"
              },
              {
                "ReleaseDate": "2025-02-24T12:34:56.789Z",
                "Note": "Standardized lower case usage in DOI. LFB 20250224"
              },
              {
                "ReleaseDate": "2025-03-03T13:45:36Z",
                "Note": "Modified Funding AwardNumber. ZCB"
              },
              {
                "ReleaseDate": "2025-10-02T15:11:50Z",
                "Note": "Updated PublishedBy name to match ROR Registry. Added ResourceType and NamingAuthority. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to updated value in Version tag. ZCB"
              },
              {
                "ReleaseDate": "2025-12-04T13:29:11Z",
                "Note": "Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB"
              }
            ]
          },
          "Description": "The Electron Losses and Fields Investigation (ELFIN) mission is a space weather mission using three scientific instruments in a 3U+ CubeSat. Each spacecraft has two Energetic Particle Detectors, one for Electrons (EPD-E) and one for Ions (EPD-I), as well as a Fluxgate Magnetometer deployed at the end of a 75cm stacer boom. These science instruments were developed by UCLA staff at the Institute for Geophysics and Planetary Physics (IGPP) and the Earth, Planetary, and Space Sciences department (EPSS).",
          "Acknowledgement": "Please acknowledge the Principal Investigator, V. Angelopoulos, NASA, and NSF for providing the Data. Open Data for Scientific Use.",
          "PublicationInfo": {
            "Authors": "Angelopoulos, V., Russell, C., Wu, J., Wilkins, C., Caron, R., Tsai, E., King, J., and Norris, A. ",
            "PublicationDate": "2024-06-19T12:34:56.789Z",
            "PublishedBy": "Space Physics Data Facility"
          },
          "Funding": [
            {
              "Agency": "NASA",
              "Project": "ELFIN funding",
              "AwardNumber": "NNX14AN68G"
            },
            {
              "Agency": "NSF",
              "Project": "ELFIN funding",
              "AwardNumber": "AGS-1242918"
            },
            {
              "Agency": "NSF",
              "Project": "ELFIN funding",
              "AwardNumber": "AGS-2019950"
            }
          ],
          "Contact": [
            {
              "PersonID": "spase://SMWG/Person/Vassilis.Angelopoulos",
              "Role": "PrincipalInvestigator"
            },
            {
              "PersonID": "spase://SMWG/Person/Cindy.Russell",
              "Role": "Scientist"
            },
            {
              "PersonID": "spase://SMWG/Person/Jiashu.Wu",
              "Role": "Scientist"
            },
            {
              "PersonID": "spase://SMWG/Person/Colin.Wilkins",
              "Role": "TechnicalContact"
            },
            {
              "PersonID": "spase://SMWG/Person/Ryan.Caron",
              "Role": "TechnicalContact"
            },
            {
              "PersonID": "spase://SMWG/Person/Ethan.Tsai",
              "Role": "ProjectManager"
            },
            {
              "PersonID": "spase://SMWG/Person/James.King",
              "Role": "DataProducer"
            },
            {
              "PersonID": "spase://SMWG/Person/Austin.Norris",
              "Role": "DataProducer"
            },
            {
              "PersonID": "spase://SMWG/Person/Robert.M.Candey",
              "Role": "MetadataContact"
            },
            {
              "PersonID": "spase://SMWG/Person/Lee.Frost.Bargatze",
              "Role": "MetadataContact"
            },
            {
              "PersonID": "spase://SMWG/Person/James.M.Weygand",
              "Role": "MetadataContact"
            }
          ],
          "InformationURL": {
            "Name": "Electron Losses and Fields INvestigation-B twin satellite mission",
            "URL": "https://elfin.igpp.ucla.edu",
            "Description": "http://elfin.igpp.ucla.edu",
            "Language": "en"
          }
        },
        "AccessInformation": [
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            "RepositoryID": "spase://SMWG/Repository/NASA/GSFC/SPDF",
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            "AccessRights": "Open",
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            "AccessURL": {
              "Name": "FTPS from SPDF (not with most browsers)",
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            "Acknowledgement": "Please acknowledge the Principal Investigator, V. Angelopoulos, NASA, and NSF. Please acknowledge the Data Providers and CDAWeb when using these Data."
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          {
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            },
            "AccessURL": {
              "Name": "HTTPS from SPDF",
              "URL": "https://spdf.gsfc.nasa.gov/pub/data/elfin/elfinb/l1/fast/ion/",
              "Description": "Access to Data in CDF Format via https from SPDF"
            },
            "Format": "CDF",
            "Encoding": "None",
            "Acknowledgement": "Please acknowledge the Principal Investigator, V. Angelopoulos, NASA, and NSF. Please acknowledge the Data Providers and CDAWeb when using these Data."
          },
          {
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            },
            "AccessURL": {
              "Name": "CDAWeb",
              "URL": "https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?dataset=ELB_L1_EPDIF&index=sp_phys",
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            },
            "Format": "CDF",
            "Encoding": "None",
            "Acknowledgement": "Please acknowledge the Principal Investigator, V. Angelopoulos, NASA, and NSF. Please acknowledge the Data Providers and CDAWeb when using these Data."
          }
        ],
        "ProcessingLevel": "Calibrated",
        "InstrumentID": "spase://NASA/Instrument/ELFIN/B/EPD",
        "MeasurementType": "EnergeticParticles",
        "TemporalDescription": {
          "TimeSpan": {
            "StartDate": "2019-05-22T00:00:00.000",
            "StopDate": "2022-09-19T23:59:59.999"
          },
          "Cadence": "PT0.264S"
        },
        "ObservedRegion": [
          "Earth.Magnetosphere",
          "Earth.Magnetosphere.Polar",
          "Earth.NearSurface",
          "Earth.NearSurface.AuroralRegion",
          "Earth.NearSurface.Atmosphere",
          "Earth.NearSurface.Ionosphere",
          "Earth.NearSurface.PolarCap"
        ],
        "Parameter": {
          "elb_pif_time": {
            "Name": "Time since Jan 1, 2000",
            "ParameterKey": "elb_pif_time",
            "Description": "elb_pif_time, UTC, in seconds since",
            "Caveats": "Unleaped seconds",
            "Cadence": "PT0.264S",
            "Units": "s",
            "RenderingHints": {
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            },
            "ValidMin": "2018-01-01T00:00:00.000000000",
            "ValidMax": "2022-12-31T23:59:58.999000000",
            "FillValue": "9999-12-31T23:59:59.999999999",
            "Support": {
              "SupportQuantity": "Temporal"
            }
          },
          "elb_pif": {
            "Name": "Ion Differential-Directional Counts",
            "Set": "Time series defined by using: elb_pif_time",
            "ParameterKey": "elb_pif",
            "Description": "[ADC UNITS ONLY] L1 EPD Ion differential-directional counts, Fast Mode - all 16 energies. All energy elements are the log-mean values of the channel. ",
            "Cadence": "PT0.264S",
            "Units": "raw counts",
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            "ValidMin": "-1000000",
            "ValidMax": "1.0e+06",
            "FillValue": "NaN",
            "Particle": {
              "ParticleType": "Ion",
              "ParticleQuantity": "Counts"
            }
          },
          "elb_pif_energies_mean": {
            "Name": "Central Energies for Each of the 16 EPD Ion Channels",
            "ParameterKey": "elb_pif_energies_mean",
            "Description": "Central energies for each of 16 EPD ion channels. All values are the log-mean energies of each differential channel and not summed averages.",
            "Cadence": "PT0.264S",
            "Units": "keV",
            "RenderingHints": {
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            "ValidMin": "1",
            "ValidMax": "1.0e+06",
            "FillValue": "-128.0",
            "Support": {
              "SupportQuantity": "Housekeeping"
            }
          },
          "elb_pif_energies_min": {
            "Name": "Minimum Energy for Each of the 16 EPD Ion Channels",
            "ParameterKey": "elb_pif_energies_min",
            "Description": "Min energy bins associated with each of 16 EPD ion channels",
            "Cadence": "PT0.264S",
            "Units": "keV",
            "RenderingHints": {
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            "ValidMax": "1.0e+06",
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          },
          "elb_pif_energies_max": {
            "Name": "Maximum Energy for Each of the 16 EPD Ion Channels",
            "ParameterKey": "elb_pif_energies_max",
            "Description": "Max energy bins for each of 16 EPD ion channels",
            "Cadence": "PT0.264S",
            "Units": "keV",
            "RenderingHints": {
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            "ValidMax": "1.0e+06",
            "FillValue": "-128.0",
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          },
          "elb_pif_sectnum": {
            "Name": "Sector Number",
            "Set": "Time series defined by using: elb_pif_time",
            "ParameterKey": "elb_pif_sectnum",
            "Description": "Sector number",
            "Cadence": "PT0.264S",
            "Units": "num sector",
            "RenderingHints": {
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              "ValueFormat": "I2"
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            "ValidMin": "0",
            "ValidMax": "31",
            "FillValue": "-128",
            "Support": {
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          },
          "elb_pif_nspinsinsum": {
            "Name": "Number Spins in Sum",
            "Set": "Time series defined by using: elb_pif_time",
            "ParameterKey": "elb_pif_nspinsinsum",
            "Description": "The number spins in the sum.",
            "Cadence": "PT0.264S",
            "Units": "num spins in sum",
            "RenderingHints": {
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            "ValidMin": "0",
            "ValidMax": "16",
            "FillValue": "-128",
            "Support": {
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          },
          "elb_pif_nsectors": {
            "Name": "Number of Spin Sectors",
            "Set": "Time series defined by using: elb_pif_time",
            "ParameterKey": "elb_pif_nsectors",
            "Description": "Number of spin sectors",
            "Cadence": "PT0.264S",
            "Units": "num sectors",
            "RenderingHints": {
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              "AxisLabel": "Number of spin sectors",
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            },
            "ValidMin": "0",
            "ValidMax": "31",
            "FillValue": "-128",
            "Support": {
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          },
          "elb_pif_spinper": {
            "Name": "Spin Period",
            "Set": "Time series defined by using: elb_pif_time",
            "ParameterKey": "elb_pif_spinper",
            "Description": "spinperiod",
            "Cadence": "PT0.264S",
            "Units": "s",
            "RenderingHints": {
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            "ValidMin": "0.0",
            "ValidMax": "480",
            "FillValue": "NaN",
            "Support": {
              "SupportQuantity": "SpinPeriod"
            }
          },
          "elb_pif_8": {
            "Name": "Ion Counts",
            "Set": "Time series defined by using: elb_pif_time",
            "ParameterKey": "elb_pif_8",
            "Description": "---> just bottom eight energy channels",
            "Caveats": "This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: elb_pif.",
            "Cadence": "PT0.264S",
            "Units": "raw counts",
            "RenderingHints": {
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            "ValidMin": "-1.0e+06",
            "ValidMax": "1.0e+06",
            "FillValue": "nan",
            "Particle": {
              "ParticleType": "Ion",
              "ParticleQuantity": "Counts"
            }
          },
          "elb_pif_top8": {
            "Name": "Ion Counts",
            "Set": "Time series defined by using: elb_pif_time",
            "ParameterKey": "elb_pif_top8",
            "Description": "---> just top eight energy channels",
            "Caveats": "This parameter is virtual. It is calculated by calling the function ALTERNATE_VIEW with the following input parameters: elb_pif.",
            "Cadence": "PT0.264S",
            "Units": "raw counts",
            "RenderingHints": {
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