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                  "DEPEND_1": "mms4_dis_energy_slow"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS energySpectr_pY"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
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                {
                  "LABLAXIS": "DEF_py"
                },
                {
                  "SCALETYP": "log"
                },
                {
                  "SI_CONVERSION": "1.e4>m^-2 s^-1 sr^-1"
                },
                {
                  "UNITS": "keV/(cm^2 s sr keV)"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 1e+30
                },
                {
                  "VAR_NOTES": "Differential energy flux by energy bin, averaged (weighted by solid angle) over particles whose DBCS flow direction is within 45 degrees (polar and azimuthal) of the +y axis (instrument look angles: 45deg <= theta < 135deg and 225deg <= phi < 315deg)."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
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                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
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                {
                  "CATDESC": "MMS4 FPI/DIS ion energy spectrum \"near\" -Y_DBCS during this survey"
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                {
                  "DEPEND_0": "Epoch"
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                {
                  "DEPEND_1": "mms4_dis_energy_slow"
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                {
                  "DISPLAY_TYPE": "spectrogram"
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                {
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                {
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                },
                {
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                },
                {
                  "VAR_NOTES": "Differential energy flux by energy bin, averaged (weighted by solid angle) over particles whose DBCS flow direction is within 45 degrees (polar and azimuthal) of the -y axis (instrument look angles: 45deg <= theta < 135deg and 45deg <= phi < 135deg)."
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                {
                  "VAR_TYPE": "data"
                }
              ]
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          ]
        },
        {
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                }
              ]
            },
            {
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                {
                  "CATDESC": "MMS4 FPI/DIS ion energy spectrum \"near\" +Z_DBCS during this survey"
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                  "DEPEND_1": "mms4_dis_energy_slow"
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                {
                  "DISPLAY_TYPE": "spectrogram"
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                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 1e+30
                },
                {
                  "VAR_NOTES": "Differential energy flux by energy bin, averaged (weighted by solid angle) over particles whose DBCS flow direction is within 45 degrees (polar and azimuthal) of the +z axis (instrument look angles: 135deg <= theta < 180deg and 0deg <= phi < 360deg)."
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                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
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                },
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                }
              ]
            },
            {
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                  "CATDESC": "MMS4 FPI/DIS ion energy spectrum \"near\" -Z_DBCS during this survey"
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                {
                  "DEPEND_1": "mms4_dis_energy_slow"
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                {
                  "DISPLAY_TYPE": "spectrogram"
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                {
                  "FIELDNAM": "MMS4 FPI/DIS energySpectr_mZ"
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                  "LABLAXIS": "DEF_mz"
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                {
                  "SI_CONVERSION": "1.e4>m^-2 s^-1 sr^-1"
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                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 1e+30
                },
                {
                  "VAR_NOTES": "Differential energy flux by energy bin, averaged (weighted by solid angle) over particles whose DBCS flow direction is within 45 degrees (polar and azimuthal) of the -z axis (instrument look angles: 0deg <= theta < 45deg and 0deg <= phi < 360deg)."
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                {
                  "VAR_TYPE": "data"
                }
              ]
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          ]
        },
        {
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            {
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                {
                  "DataType": "CDF_REAL4"
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                {
                  "NumElements": 1
                },
                {
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                },
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                },
                {
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                {
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                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS4 FPI/DIS omni-directional ion energy spectrum during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms4_dis_energy_slow"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS energySpectr_omni"
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                {
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                },
                {
                  "LABLAXIS": "DEF_omni"
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                {
                  "SCALETYP": "log"
                },
                {
                  "SI_CONVERSION": "1.e4>m^-2 s^-1 sr^-1"
                },
                {
                  "UNITS": "keV/(cm^2 s sr keV)"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 1e+30
                },
                {
                  "VAR_NOTES": "Differential energy flux by energy bin, averaged (weighted by solid angle) over all directions (flow or look)."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms4_dis_spectr_bg_slow": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS4 FPI/DIS ion background energy during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS spectr_bg"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "DEF_spect_bg"
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                {
                  "SCALETYP": "log"
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                {
                  "SI_CONVERSION": "1.e4>m^-2 s^-1 sr^-1"
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                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 1e+30
                },
                {
                  "VAR_NOTES": "Background differential energy flux by energy bin, averaged (weighted by solid angle) over all directions (flow or look)."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms4_dis_numberdensity_bg_slow": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS4 FPI/DIS ion background number density during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS background number density"
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                {
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                },
                {
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                {
                  "LABLAXIS": "N_bg"
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                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1e6>m^-3"
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                {
                  "UNITS": "cm^-3"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 100000.0
                },
                {
                  "VAR_NOTES": "Background number density derived via integration of the estimated background differential energy flux."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms4_dis_numberdensity_slow": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
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                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS4 FPI/DIS ion number density during this survey"
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                {
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                {
                  "DELTA_MINUS_VAR": "mms4_dis_numberdensity_err_slow"
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                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS number density"
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                {
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                {
                  "FORMAT": "E12.2"
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                {
                  "LABLAXIS": "N"
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                {
                  "SCALETYP": "linear"
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                {
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                {
                  "UNITS": "cm^-3"
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                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 100000.0
                },
                {
                  "VAR_TYPE": "data"
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              ]
            }
          ]
        },
        {
          "mms4_dis_numberdensity_err_slow": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
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                {
                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "PadValue": -1e+30
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              ]
            },
            {
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                {
                  "CATDESC": "MMS4 FPI/DIS ion number density error during this survey"
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                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS number density error"
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                {
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                },
                {
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                {
                  "LABLAXIS": "N_err"
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                {
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                {
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                {
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                {
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                {
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                },
                {
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              ]
            }
          ]
        },
        {
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            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
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                {
                  "NumElements": 1
                },
                {
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                {
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                },
                {
                  "PadValue": -1e+30
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              ]
            },
            {
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                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS density extrapolation (low)"
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                {
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                },
                {
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                {
                  "LABLAXIS": "N"
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                {
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                {
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                {
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                {
                  "VALIDMAX": 100000.0
                },
                {
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              ]
            }
          ]
        },
        {
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            {
              "VarDescription": [
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                {
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                {
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              ]
            },
            {
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                  "CATDESC": "MMS4 FPI/DIS estimated (via extrapolation to infinity) contribution to density integral above 30keV"
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                {
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                  "DISPLAY_TYPE": "time_series"
                },
                {
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                {
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                {
                  "LABLAXIS": "N"
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                {
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                {
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                {
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                },
                {
                  "VALIDMAX": 100000.0
                },
                {
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              ]
            }
          ]
        },
        {
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            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
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                {
                  "NumElements": 1
                },
                {
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                {
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                },
                {
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                {
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                },
                {
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                }
              ]
            },
            {
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                {
                  "CATDESC": "MMS4 FPI/DIS ion bulk-velocity vector in DBCS during this survey"
                },
                {
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                {
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                {
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                {
                  "FIELDNAM": "MMS4 FPI/DIS DBCS bulk v"
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                {
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                },
                {
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                },
                {
                  "LABL_PTR_1": "mms4_dis_bulkv_dbcs_label_slow"
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                {
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                {
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                {
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                {
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                {
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                {
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                {
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                {
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              ]
            }
          ]
        },
        {
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                {
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                {
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                },
                {
                  "PadValue": -1e+30
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              ]
            },
            {
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                },
                {
                  "COORDINATE_SYSTEM": "GSE>Geocentric Solar Ecliptic"
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                {
                  "DELTA_PLUS_VAR": "mms4_dis_bulkv_err_slow"
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                {
                  "DELTA_MINUS_VAR": "mms4_dis_bulkv_err_slow"
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                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS GSE bulk v"
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                {
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                {
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                },
                {
                  "LABL_PTR_1": "mms4_dis_bulkv_gse_label_slow"
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                {
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                {
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                {
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                {
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                {
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                },
                {
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                {
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              ]
            }
          ]
        },
        {
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                {
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                {
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                },
                {
                  "PadValue": -1e+30
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              ]
            },
            {
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                {
                  "DEPEND_0": "Epoch"
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                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS bulk v error"
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                {
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                {
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                {
                  "LABL_PTR_1": "mms4_dis_bulkv_err_label_slow"
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                {
                  "REPRESENTATION_1": "mms4_dis_cartrep_slow"
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                {
                  "SCALETYP": "linear"
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                {
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                {
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                {
                  "UNITS": "km/s"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 5000.0
                },
                {
                  "VAR_NOTES": "Error can be applied to either DBCS or GSE coordinate system"
                },
                {
                  "VAR_TYPE": "support_data"
                }
              ]
            }
          ]
        },
        {
          "mms4_dis_prestensor_dbcs_slow": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
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                {
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                {
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                {
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                },
                {
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                {
                  "DimVariances": [
                    "VARY",
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
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              ]
            },
            {
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                {
                  "CATDESC": "MMS4 FPI/DIS ion pressure tensor in DBCS during this survey"
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                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
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                {
                  "DELTA_PLUS_VAR": "mms4_dis_prestensor_err_slow"
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                {
                  "DELTA_MINUS_VAR": "mms4_dis_prestensor_err_slow"
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                {
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                {
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                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS DBCS pres tensor"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "P_DBCS"
                },
                {
                  "LABL_PTR_1": "mms4_dis_cartrep_slow"
                },
                {
                  "LABL_PTR_2": "mms4_dis_cartrep_slow"
                },
                {
                  "REPRESENTATION_1": "mms4_dis_cartrep_slow"
                },
                {
                  "REPRESENTATION_2": "mms4_dis_cartrep_slow"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1.0e-9>Pa"
                },
                {
                  "TENSOR_ORDER": 2
                },
                {
                  "UNITS": "nPa"
                },
                {
                  "VALIDMIN": -100000.0
                },
                {
                  "VALIDMAX": 100000.0
                },
                {
                  "VAR_NOTES": "The 3x3 matrix is represented as: Row1) Pxx Pxy Pxz, Row2) Pyx Pyy Pyz, Row3) Pzx Pzy Pzz. Note that Pij=Pji."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms4_dis_prestensor_gse_slow": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 2
                },
                {
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                    3,
                    3
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
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                    "VARY",
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
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                {
                  "CATDESC": "MMS4 FPI/DIS ion pressure tensor in GSE during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "GSE>Geocentric Solar Ecliptic"
                },
                {
                  "DELTA_PLUS_VAR": "mms4_dis_prestensor_err_slow"
                },
                {
                  "DELTA_MINUS_VAR": "mms4_dis_prestensor_err_slow"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS GSE pres tensor"
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                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "P_GSE"
                },
                {
                  "LABL_PTR_1": "mms4_dis_cartrep_slow"
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                {
                  "LABL_PTR_2": "mms4_dis_cartrep_slow"
                },
                {
                  "REPRESENTATION_1": "mms4_dis_cartrep_slow"
                },
                {
                  "REPRESENTATION_2": "mms4_dis_cartrep_slow"
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                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1.0e-9>Pa"
                },
                {
                  "TENSOR_ORDER": 2
                },
                {
                  "UNITS": "nPa"
                },
                {
                  "VALIDMIN": -100000.0
                },
                {
                  "VALIDMAX": 100000.0
                },
                {
                  "VAR_NOTES": "The 3x3 matrix is represented as: Row1) Pxx Pxy Pxz, Row2) Pyx Pyy Pyz, Row3) Pzx Pzy Pzz. Note that Pij=Pji."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
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            {
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                {
                  "DataType": "CDF_REAL4"
                },
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                  "NumElements": 1
                },
                {
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                },
                {
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                    3,
                    3
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                },
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                {
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                    "VARY",
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS4 FPI/DIS ion pressure tensor error during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS pres error"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "P_err"
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                {
                  "LABL_PTR_1": "mms4_dis_cartrep_slow"
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                  "LABL_PTR_2": "mms4_dis_cartrep_slow"
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                {
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                {
                  "SI_CONVERSION": "1.0e-9>Pa"
                },
                {
                  "TENSOR_ORDER": 2
                },
                {
                  "UNITS": "nPa"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 200000.0
                },
                {
                  "VAR_NOTES": "Error can be applied to either DBCS or GSE coordinate system"
                },
                {
                  "VAR_TYPE": "support_data"
                }
              ]
            }
          ]
        },
        {
          "mms4_dis_pres_bg_slow": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS4 FPI/DIS ion background pressure during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
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                },
                {
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                },
                {
                  "LABLAXIS": "DEF_pres_bg"
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                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1.0e-9>Pa"
                },
                {
                  "UNITS": "nPa"
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                {
                  "VALIDMIN": -100000.0
                },
                {
                  "VALIDMAX": 100000.0
                },
                {
                  "VAR_NOTES": " "
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms4_dis_temptensor_dbcs_slow": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 2
                },
                {
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                    3,
                    3
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY",
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS4 FPI/DIS ion temperature tensor in DBCS during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
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                {
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                {
                  "DELTA_MINUS_VAR": "mms4_dis_temptensor_err_slow"
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                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS DBCS temp tensor"
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                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "T_DBCS"
                },
                {
                  "LABL_PTR_1": "mms4_dis_cartrep_slow"
                },
                {
                  "LABL_PTR_2": "mms4_dis_cartrep_slow"
                },
                {
                  "REPRESENTATION_1": "mms4_dis_cartrep_slow"
                },
                {
                  "REPRESENTATION_2": "mms4_dis_cartrep_slow"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "11604.50520>K"
                },
                {
                  "TENSOR_ORDER": 2
                },
                {
                  "UNITS": "eV"
                },
                {
                  "VALIDMIN": -30000.0
                },
                {
                  "VALIDMAX": 30000.0
                },
                {
                  "VAR_NOTES": "The 3x3 matrix is represented as: Row1) Txx Txy Txz, Row2) Tyx Tyy Tyz, Row3) Tzx Tzy Tzz. Note that Tij=Tji."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
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            {
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                  "DataType": "CDF_REAL4"
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                },
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                {
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                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS4 FPI/DIS ion temperature tensor in GSE during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "GSE>Geocentric Solar Ecliptic"
                },
                {
                  "DELTA_PLUS_VAR": "mms4_dis_temptensor_err_slow"
                },
                {
                  "DELTA_MINUS_VAR": "mms4_dis_temptensor_err_slow"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS GSE temp tensor"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "T_GSE"
                },
                {
                  "LABL_PTR_1": "mms4_dis_cartrep_slow"
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                {
                  "LABL_PTR_2": "mms4_dis_cartrep_slow"
                },
                {
                  "REPRESENTATION_1": "mms4_dis_cartrep_slow"
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                  "REPRESENTATION_2": "mms4_dis_cartrep_slow"
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                },
                {
                  "SI_CONVERSION": "11604.50520>K"
                },
                {
                  "TENSOR_ORDER": 2
                },
                {
                  "UNITS": "eV"
                },
                {
                  "VALIDMIN": -30000.0
                },
                {
                  "VALIDMAX": 30000.0
                },
                {
                  "VAR_NOTES": "The 3x3 matrix is represented as: Row1) Txx Txy Txz, Row2) Tyx Tyy Tyz, Row3) Tzx Tzy Tzz. Note that Tij=Tji."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms4_dis_temptensor_err_slow": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 2
                },
                {
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                    3,
                    3
                  ]
                },
                {
                  "RecVariance": "VARY"
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                {
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                    "VARY",
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS4 FPI/DIS ion temperature tensor error during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS DBCS temp tensor"
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                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "T_err"
                },
                {
                  "LABL_PTR_1": "mms4_dis_cartrep_slow"
                },
                {
                  "LABL_PTR_2": "mms4_dis_cartrep_slow"
                },
                {
                  "REPRESENTATION_1": "mms4_dis_cartrep_slow"
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                {
                  "REPRESENTATION_2": "mms4_dis_cartrep_slow"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "11604.50520>K"
                },
                {
                  "TENSOR_ORDER": 2
                },
                {
                  "UNITS": "eV"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 60000.0
                },
                {
                  "VAR_NOTES": "Error can be applied to either DBCS or GSE coordinate system"
                },
                {
                  "VAR_TYPE": "support_data"
                }
              ]
            }
          ]
        },
        {
          "mms4_dis_heatq_dbcs_slow": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
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                  ]
                },
                {
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                {
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                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS4 FPI/DIS ion heat-flux vector in DBCS during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DELTA_PLUS_VAR": "mms4_dis_heatq_err_slow"
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                {
                  "DELTA_MINUS_VAR": "mms4_dis_heatq_err_slow"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS DBCS heatq"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABL_PTR_1": "mms4_dis_heatq_dbcs_label_slow"
                },
                {
                  "REPRESENTATION_1": "mms4_dis_cartrep_slow"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1.0e-3>W m^-2"
                },
                {
                  "TENSOR_ORDER": 1
                },
                {
                  "UNITS": "mW/m^2"
                },
                {
                  "VALIDMIN": -2500000.0
                },
                {
                  "VALIDMAX": 2500000.0
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
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            {
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                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
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                },
                {
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                {
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                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
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                {
                  "CATDESC": "MMS4 FPI/DIS ion heat-flux vector in GSE during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "GSE>Geocentric Solar Ecliptic"
                },
                {
                  "DELTA_PLUS_VAR": "mms4_dis_heatq_err_slow"
                },
                {
                  "DELTA_MINUS_VAR": "mms4_dis_heatq_err_slow"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS GSE heatq"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABL_PTR_1": "mms4_dis_heatq_gse_label_slow"
                },
                {
                  "REPRESENTATION_1": "mms4_dis_cartrep_slow"
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                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1.0e-3>W m^-2"
                },
                {
                  "TENSOR_ORDER": 1
                },
                {
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                },
                {
                  "VALIDMIN": -2500000.0
                },
                {
                  "VALIDMAX": 2500000.0
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
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            {
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                {
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                },
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                  "NumElements": 1
                },
                {
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                },
                {
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                  ]
                },
                {
                  "RecVariance": "VARY"
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                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS4 FPI/DIS ion heat-flux error vector during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS heatq error"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABL_PTR_1": "mms4_dis_heatq_err_label_slow"
                },
                {
                  "REPRESENTATION_1": "mms4_dis_cartrep_slow"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1.0e-3>W m^-2"
                },
                {
                  "TENSOR_ORDER": 1
                },
                {
                  "UNITS": "mW/m^2"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 5000000.0
                },
                {
                  "VAR_NOTES": "Error can be applied to either DBCS or GSE coordinate system"
                },
                {
                  "VAR_TYPE": "support_data"
                }
              ]
            }
          ]
        },
        {
          "mms4_dis_energy_slow": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    32
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS4 FPI/DIS slow survey sky-map energies"
                },
                {
                  "DELTA_PLUS_VAR": "mms4_dis_energy_delta_slow"
                },
                {
                  "DELTA_MINUS_VAR": "mms4_dis_energy_delta_slow"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS energy"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "energy"
                },
                {
                  "SCALETYP": "log"
                },
                {
                  "SI_CONVERSION": "1.6021773E-19>J"
                },
                {
                  "UNITS": "eV"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 30000.0
                },
                {
                  "VAR_NOTES": "Geometric mean of parity 0 and parity 1 energies in the 64-step FPI energy table"
                },
                {
                  "VAR_TYPE": "support_data"
                }
              ]
            }
          ]
        },
        {
          "mms4_dis_energy_delta_slow": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    32
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS4 FPI/DIS slow survey sky-map delta energies"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "FIELDNAM": "MMS4 FPI/DIS delta energy"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "delta energy"
                },
                {
                  "SCALETYP": "log"
                },
                {
                  "SI_CONVERSION": "1.6021773E-19>J"
                },
                {
                  "UNITS": "eV"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 5000.0
                },
                {
                  "VAR_NOTES": "Note that the deltas are provided to indicate that FPI is reporting the energy bin centers. These do not necessarily reflect the energy bandwidth that is sampled by FPI at a given energy step."
                },
                {
                  "VAR_TYPE": "support_data"
                }
              ]
            }
          ]
        },
        {
          "mms4_dis_temppara_slow": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "VARY"
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