{
  "id": "MMS1_FPI_FAST_L2_DES-MOMSAUX",
  "url": "https://cdaweb.gsfc.nasa.gov/pub/software/cdawlib/0JSONS/mms1_fpi_fast_l2_des-momsaux_00000000_v01.json",
  "data-file": "./data/master/info/MMS1_FPI_FAST_L2_DES-MOMSAUX.json",
  "data": {
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          "FileVersion": "3.9.1"
        },
        {
          "Format": "SINGLE"
        },
        {
          "Majority": "COLUMN"
        },
        {
          "Encoding": "IBMPC"
        }
      ],
      "CDFglobalAttributes": [
        {
          "Project": [
            {
              "0": "STP>Solar-Terrestrial Physics"
            }
          ]
        },
        {
          "Source_name": [
            {
              "0": "MMS1>MMS Satellite Number 1"
            }
          ]
        },
        {
          "Discipline": [
            {
              "0": "Space Physics>Magnetospheric Science"
            }
          ]
        },
        {
          "Data_type": [
            {
              "0": "fast_l2_des-momsaux"
            }
          ]
        },
        {
          "Descriptor": [
            {
              "0": "DES>Dual Electron Spectrometers"
            }
          ]
        },
        {
          "File_naming_convention": [
            {
              "0": "source_descriptor_datatype_yyyyMMddHHmmss"
            }
          ]
        },
        {
          "Data_version": [
            {
              "0": " "
            }
          ]
        },
        {
          "PI_name": [
            {
              "0": "J. Burch, B. Giles"
            }
          ]
        },
        {
          "PI_affiliation": [
            {
              "0": "SwRI, GSFC"
            }
          ]
        },
        {
          "TEXT": [
            {
              "0": "FPI usually operates in Fast Survey (FS) Mode in the MMS Region Of Interest (ROI) for the current Mission Phase. Data are taken at burst (30/150 ms for DES/DIS) resolution in this mode. Data are also made available at survey (4.5 s) resolution. Per mission design, not all burst-resolution data are downlinked, but all survey data are downlinked. Planning around calibration activities, avoidance of Earth radiation belts, etc, when possible, FPI usually operates in Slow Survey (SS) Mode (60 s resolution) outside of ROI. This product contains partial moments that come from performing the standard moment integrals over a limited portion of velocity space. The resulting quantities are named similarly to their corresponding standard moments, but are decorated with 'part' to differentiate. For example, density_part is the density moment integrated from a particular energy step to infinity. These partial moments are formed from the indicated data type (DES/DIS burst, FS or SS). For convenience, some additional parameters are included to augment those most commonly found in a moments product of this sort, plus time-stamps and other annotation characterizing the state of the instrument system at the indicated time."
            }
          ]
        },
        {
          "Instrument_type": [
            {
              "0": "Plasma and Solar Wind"
            },
            {
              "1": "Particles (space)"
            }
          ]
        },
        {
          "Mission_group": [
            {
              "0": "MMS"
            }
          ]
        },
        {
          "Logical_source": [
            {
              "0": "mms1_fpi_fast_l2_des-momsaux"
            }
          ]
        },
        {
          "Logical_file_id": [
            {
              "0": " "
            }
          ]
        },
        {
          "Logical_source_description": [
            {
              "0": "MMS Satellite Number 1 Dual Electron Spectrometer FastSurvey-resolution auxiliary moments"
            }
          ]
        },
        {
          "Time_resolution": [
            {
              "0": "4.5 seconds"
            }
          ]
        },
        {
          "Rules_of_use": [
            {
              "0": "See FPI Version Release Notes (https://lasp.colorado.edu/mms/sdc/public/datasets/fpi/) for rules of use."
            }
          ]
        },
        {
          "Generated_by": [
            {
              "0": "FPI ITF, NASA/GSFC Code 673"
            }
          ]
        },
        {
          "Generation_date": [
            {
              "0": " "
            }
          ]
        },
        {
          "Generation_site": [
            {
              "0": "ITF"
            }
          ]
        },
        {
          "MODS": [
            {
              "0": " "
            }
          ]
        },
        {
          "LINK_TEXT": [
            {
              "0": "MMS home page"
            },
            {
              "1": "MMS at NASA GSFC"
            },
            {
              "2": "Science Data Center"
            },
            {
              "3": "FPI overview"
            }
          ]
        },
        {
          "LINK_TITLE": [
            {
              "0": "at GSFC"
            },
            {
              "1": "Homepage"
            },
            {
              "2": "at LASP"
            },
            {
              "3": "at NASA"
            }
          ]
        },
        {
          "HTTP_LINK": [
            {
              "0": "https://mms.gsfc.nasa.gov"
            },
            {
              "1": "https://mms.gsfc.nasa.gov/index.html"
            },
            {
              "2": "http://lasp.colorado.edu/mms/sdc"
            },
            {
              "3": "https://mms.gsfc.nasa.gov"
            }
          ]
        },
        {
          "Skeleton_version": [
            {
              "0": "$Revision: 9524 $"
            }
          ]
        },
        {
          "Skeleton_revdate": [
            {
              "0": "$Date: 2021-03-09 13:14:05 -0500 (Tue, 09 Mar 2021) $"
            }
          ]
        },
        {
          "Correction_table_name": [
            {
              "0": "mms1_des_fast_f1ct_v43-1288_1295_p15-17.cdf"
            }
          ]
        },
        {
          "Correction_table_rev": [
            {
              "0": "9745"
            }
          ]
        },
        {
          "Correction_table_scaling_factor": [
            {
              "0": "0.80000"
            }
          ]
        },
        {
          "Energy_table_name": [
            {
              "0": "energies_des_15-17.txt"
            }
          ]
        },
        {
          "Dead_time_correction": [
            {
              "0": "100 ns"
            }
          ]
        },
        {
          "Magnetic_field_filenames": [
            {
              "0": "mms1_afg_srvy_l2pre_20220205_v5.332.0.cdf mms1_afg_srvy_l2pre_20220206_v5.333.0.cdf"
            }
          ]
        },
        {
          "Spacecraft_potential_filenames": [
            {
              "0": "mms1_edp_fast_l2_scpot_20220205000000_v2.7.1.cdf mms1_edp_fast_l2_scpot_20220206000000_v2.7.3.cdf"
            }
          ]
        },
        {
          "Spacecraft_potential_scaling_factor": [
            {
              "0": "1.0"
            }
          ]
        },
        {
          "Spacecraft_potential_offset": [
            {
              "0": "0.0"
            }
          ]
        },
        {
          "Photoelectron_model_filenames": [
            {
              "0": "mms_fpi_fast_l2_des-bgdist_v1.1.0_p15-17.cdf"
            }
          ]
        },
        {
          "Photoelectron_model_scaling_factor": [
            {
              "0": "0.6000000"
            }
          ]
        },
        {
          "Photoelectron_filter": [
            {
              "0": "Off"
            }
          ]
        },
        {
          "Low_energy_extrapolation": [
            {
              "0": "Disabled"
            }
          ]
        },
        {
          "High_energy_extrapolation": [
            {
              "0": "Enabled"
            }
          ]
        },
        {
          "Spacecraft_attitude_filenames": [
            {
              "0": "MMS1_DEFATT_2022036_2022037.V00"
            }
          ]
        },
        {
          "Lower_energy_integration_limit": [
            {
              "0": "10.00eV"
            }
          ]
        },
        {
          "Upper_energy_integration_limit": [
            {
              "0": "30000.00eV"
            }
          ]
        },
        {
          "Energy_e0": [
            {
              "0": "100.00eV"
            }
          ]
        },
        {
          "Scp_energy_fraction": [
            {
              "0": "1.00eV"
            }
          ]
        },
        {
          "Skymap_avgN": [
            {
              "0": "1"
            }
          ]
        }
      ],
      "CDFVariables": [
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                {
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            },
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                },
                {
                  "DELTA_MINUS_VAR": "Epoch_minus_var"
                },
                {
                  "FIELDNAM": "Time tags"
                },
                {
                  "FILLVAL": "9999-12-31T23:59:59.999999999"
                },
                {
                  "LABLAXIS": "Epoch"
                },
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                  "MONOTON": "INCREASE"
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              ]
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            {
              "VarAttributes": [
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              "VarData": [
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              "VarDescription": [
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                  "DataType": "CDF_REAL4"
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                {
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              ]
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            {
              "VarAttributes": [
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              ]
            },
            {
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        },
        {
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                {
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                },
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                }
              ]
            },
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              "VarAttributes": [
                {
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                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES dataQuality errorFlags"
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                },
                {
                  "FORMAT": "I10"
                },
                {
                  "LABLAXIS": "errFlags"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": " > "
                },
                {
                  "UNITS": "32-bit error flags"
                },
                {
                  "VALIDMIN": 0
                },
                {
                  "VALIDMAX": 4294967294
                },
                {
                  "VAR_NOTES": "Value of zero signifies no quality errors. For non-zero values: Bit-0 = manually flagged interval, Bit-1 = overcounting/saturation effects likely present in skymap, Bit-2 = reported spacecraft potential above 20V, Bit-3 = invalid/unavailable spacecraft potential, Bit-4 = significant (>10%) cold plasma (<10eV) component, Bit-5 = significant (>25%) hot plasma (>30keV) component, Bit-6 = high sonic Mach number (v/vth > 2.5), Bit-7 = low calculated density (n_DES < 0.05 cm^-3), Bit-8 = bentPipe magnetic field used instead of srvy l2pre magnetic field, Bit-10 = no internally generated photoelectron correction applied, Bit-11 = compression pipeline error, Bit-12 = spintone calculation error (DBCS only)"
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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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                },
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                  "PadValue": -1e+30
                }
              ]
            },
            {
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                {
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                {
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                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES partial number density"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "N"
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                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1e6>m^-3"
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                  "UNITS": "cm^-3"
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                },
                {
                  "VALIDMAX": 100000.0
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              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
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                },
                {
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                },
                {
                  "RecVariance": "VARY"
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                {
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                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
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                  "DEPEND_0": "Epoch"
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                  "DEPEND_1": "mms1_des_energy_fast"
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                },
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                },
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                }
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            },
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                },
                {
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                  "REPRESENTATION_2": "mms1_des_cartrep_fast"
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                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1.0e3>m s^-1"
                },
                {
                  "TENSOR_ORDER": 1
                },
                {
                  "UNITS": "km/s"
                },
                {
                  "VALIDMIN": -110000.0
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                {
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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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                  "CATDESC": "MMS1 FPI/DES partial electron pressure tensor in DBCS during this survey"
                },
                {
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                },
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                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES DBCS partial pres tensor"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "P_DBCS"
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                {
                  "REPRESENTATION_3": "mms1_des_cartrep_fast"
                },
                {
                  "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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                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
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                },
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                  "FILLVAL": -1e+31
                },
                {
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                },
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                },
                {
                  "LABL_PTR_3": "mms1_des_cartrep_fast"
                },
                {
                  "REPRESENTATION_2": "mms1_des_cartrep_fast"
                },
                {
                  "REPRESENTATION_3": "mms1_des_cartrep_fast"
                },
                {
                  "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"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_temptensor_part_dbcs_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 3
                },
                {
                  "DimSizes": [
                    32,
                    3,
                    3
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY",
                    "VARY",
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES partial electron temperature tensor in DBCS during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES DBCS partial temp tensor"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "T_DBCS"
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                {
                  "LABL_PTR_2": "mms1_des_cartrep_fast"
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                {
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                },
                {
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                },
                {
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                },
                {
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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"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_temptensor_part_gse_fast": [
            {
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                  "DataType": "CDF_REAL4"
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                {
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                },
                {
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                },
                {
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                },
                {
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                {
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                    "VARY",
                    "VARY"
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                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES partial electron temperature tensor in GSE during this survey"
                },
                {
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                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES GSE partial temp tensor"
                },
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                  "FILLVAL": -1e+31
                },
                {
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                {
                  "LABLAXIS": "T_GSE"
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                {
                  "LABL_PTR_2": "mms1_des_cartrep_fast"
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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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                },
                {
                  "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"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_temppara_part_fast": [
            {
              "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": "MMS1 FPI/DES partial electron parallel temperature during this survey"
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                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI1/DES partial tempPara"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "eT_para"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "11604.50520>K"
                },
                {
                  "UNITS": "eV"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 1e+30
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_tempperp_part_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
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                },
                {
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                },
                {
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                  ]
                },
                {
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                },
                {
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                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES partial electron perpendicular temperature during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI1/DES partial tempPerp"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "eT_perp"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "11604.50520>K"
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                {
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                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 1e+30
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_part_index_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_UINT2"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "PadValue": 65534
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES recommended energy index for partial moments during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES part_index"
                },
                {
                  "FILLVAL": 65535
                },
                {
                  "FORMAT": "I4"
                },
                {
                  "LABLAXIS": "part_index"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": " > "
                },
                {
                  "UNITS": "0-31"
                },
                {
                  "VALIDMIN": 0
                },
                {
                  "VALIDMAX": 31
                },
                {
                  "VAR_NOTES": "Recommended energy index during this survey"
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_energy_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
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                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
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                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES fast survey sky-map energies"
                },
                {
                  "DELTA_PLUS_VAR": "mms1_des_energy_delta_fast"
                },
                {
                  "DELTA_MINUS_VAR": "mms1_des_energy_delta_fast"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES energy"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "lowest included 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"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_energy_delta_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
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                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
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                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES fast survey sky-map delta energies"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES 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"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_bhat_dbcs_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL8"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
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                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
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                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES unit vector mag field"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES BHAT DBCS"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABL_PTR_1": "mms1_des_cartrep_fast"
                },
                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1.0e-9>T"
                },
                {
                  "TENSOR_ORDER": 1
                },
                {
                  "UNITS": "nT"
                },
                {
                  "VALIDMIN": -110000.0
                },
                {
                  "VALIDMAX": 110000.0
                },
                {
                  "VAR_NOTES": "Unit vector magnetic field direction used for pitch angle determination. This data is derived from the MMS Fluxgate Magnetometers data and is included for reference only."
                },
                {
                  "VAR_TYPE": "support_data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_gse_xform_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
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                },
                {
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                    3
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                },
                {
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                },
                {
                  "DimVariances": [
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                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
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                {
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                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
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                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
                },
                {
                  "REPRESENTATION_2": "mms1_des_cartrep_fast"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": " > "
                },
                {
                  "TENSOR_ORDER": 2
                },
                {
                  "TO_COORDINATE_SYSTEM": "GSE>Geocentric Solar Ecliptic"
                },
                {
                  "UNITS": " "
                },
                {
                  "VALIDMIN": -110000.0
                },
                {
                  "VALIDMAX": 110000.0
                },
                {
                  "VAR_NOTES": "Matrix used to transform dbcs to gse"
                },
                {
                  "VAR_TYPE": "support_data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_bulkv_dbcs_label_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_CHAR"
                },
                {
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                },
                {
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                },
                {
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                },
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                },
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                },
                {
                  "PadValue": " "
                },
                {
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                }
              ]
            },
            {
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                {
                  "FIELDNAM": "MMS/FPI DBCS velocity label"
                },
                {
                  "FORMAT": "A7"
                },
                {
                  "VAR_TYPE": "metadata"
                }
              ]
            },
            {
              "VarData": [
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                "Vy_DBCS",
                "Vz_DBCS"
              ]
            }
          ]
        },
        {
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                {
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                },
                {
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                },
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                },
                {
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                },
                {
                  "PadValue": " "
                },
                {
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                }
              ]
            },
            {
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                {
                  "FORMAT": "A6"
                },
                {
                  "VAR_TYPE": "metadata"
                }
              ]
            },
            {
              "VarData": [
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                "Vy_GSE",
                "Vz_GSE"
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            }
          ]
        },
        {
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            {
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                {
                  "DataType": "CDF_CHAR"
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                {
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                },
                {
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                },
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                },
                {
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                },
                {
                  "BlockingFactor": 1
                }
              ]
            },
            {
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                {
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                {
                  "FORMAT": "A1"
                },
                {
                  "VAR_TYPE": "metadata"
                }
              ]
            },
            {
              "VarData": [
                "x",
                "y",
                "z"
              ]
            }
          ]
        },
        {
          "mms1_des_magrep_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_CHAR"
                },
                {
                  "NumElements": 1
                },
                {
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                },
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                },
                {
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                },
                {
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                },
                {
                  "NumWrittenRecords": 1
                },
                {
                  "PadValue": " "
                },
                {
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                }
              ]
            },
            {
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                },
                {
                  "FIELDNAM": "MMS/FPI cartesian representation with magnitude"
                },
                {
                  "FORMAT": "A1"
                },
                {
                  "VAR_TYPE": "metadata"
                }
              ]
            },
            {
              "VarData": [
                "x",
                "y",
                "z",
                "r"
              ]
            }
          ]
        },
        {
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            {
              "VarDescription": [
                {
                  "DataType": "CDF_UINT1"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "NOVARY"
                },
                {
                  "NumWrittenRecords": 1
                },
                {
                  "PadValue": 254
                },
                {
                  "BlockingFactor": 1
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES compression lossless/lossy indicator at survey-start time"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES compression flag"
                },
                {
                  "FILLVAL": 255
                },
                {
                  "FORMAT": "I1"
                },
                {
                  "LABLAXIS": "compressFlag"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": " > "
                },
                {
                  "UNITS": "0, 1"
                },
                {
                  "VALIDMIN": 0
                },
                {
                  "VALIDMAX": 1
                },
                {
                  "VAR_NOTES": "FPI/DES compression loss indicator, 0=lossless, 1=lossy"
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            },
            {
              "VarData": [
                1
              ]
            }
          ]
        },
        {
          "mms1_des_startdelphi_count_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_UINT2"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "PadValue": 65534
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES Del-Phi (obs spin-phase) count at survey-start time"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES start Del-Phi count"
                },
                {
                  "FILLVAL": 65535
                },
                {
                  "FORMAT": "I4.4"
                },
                {
                  "LABLAXIS": "DelPhi_cnt"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": " > "
                },
                {
                  "UNITS": "del-phi counts"
                },
                {
                  "VALIDMIN": 0
                },
                {
                  "VALIDMAX": 5761
                },
                {
                  "VAR_NOTES": "Nominally, spin-phase counts range over [0000, 5759] cnts.  Each count represents 1/16 deg of observatory spin-phase.  Zero spin-phase angle indicates obs +X-axis aligned with the sun-sensor axis."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_startdelphi_angle_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES Del-Phi (obs spin-phase) angle at survey-start time"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES start Del-Phi angle"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "DelPhi_ang"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "0.0174532925>rad"
                },
                {
                  "UNITS": "deg"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 360.0
                },
                {
                  "VAR_NOTES": "Nominally, spin-phase angles range over [0, 360) deg.  Each count represents 1/16 deg of observatory spin-phase.  Zero spin-phase angle indicates obs +X-axis aligned with the sun-sensor axis."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_pitchangdist_lowen_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    30
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron pitch-angle distribution for \"low\" energies during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_alpha_fast"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES pitchAngDist_lowEn"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "PAD_low"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "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": "Low energy bin: energy steps 0-10 (of total steps 0-31). Pitch-angle bin size: 6 deg. Note that pitch angles are calculated in the spacecraft frame; i.e., not shifted by the bulk velocity."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_pitchangdist_miden_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    30
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron pitch-angle distribution for \"mid\" energies during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_alpha_fast"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES pitchAngDist_midEn"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "PAD_mid"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "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": "Mid energy bin: energy steps 11-20 (of total steps 0-31). Pitch-angle bin size: 6 deg. Note that pitch angles are calculated in the spacecraft frame; i.e., not shifted by the bulk velocity."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_pitchangdist_highen_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    30
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron pitch-angle distribution for \"high\" energies during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_alpha_fast"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES pitchAngDist_highEn"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "PAD_high"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "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": "High energy bin: energy steps 21-31 (of total steps 0-31). Pitch-angle bin size: 6 deg. Note that pitch angles are calculated in the spacecraft frame; i.e., not shifted by the bulk velocity."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_energyspectr_px_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    32
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron energy spectrum \"near\" +X_DBCS during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES energySpectr_pX"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "DEF_px"
                },
                {
                  "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 +x axis (instrument look angles: 45deg <= theta < 135deg and 135deg <= phi < 225deg)."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_energyspectr_mx_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    32
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron energy spectrum \"near\" -X_DBCS during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES energySpectr_mX"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "DEF_mx"
                },
                {
                  "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 -x axis (instrument look angles: 45deg <= theta < 135deg and phi >= 315deg or phi < 45deg)."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_energyspectr_py_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    32
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron energy spectrum \"near\" +Y_DBCS during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES energySpectr_pY"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "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"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_energyspectr_my_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    32
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron energy spectrum \"near\" -Y_DBCS during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES energySpectr_mY"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "DEF_my"
                },
                {
                  "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 45deg <= phi < 135deg)."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_energyspectr_pz_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    32
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron energy spectrum \"near\" +Z_DBCS during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES energySpectr_pZ"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "DEF_pz"
                },
                {
                  "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 +z axis (instrument look angles: 135deg <= theta < 180deg and 0deg <= phi < 360deg)."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_energyspectr_mz_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    32
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron energy spectrum \"near\" -Z_DBCS during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES energySpectr_mZ"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "DEF_mz"
                },
                {
                  "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 -z axis (instrument look angles: 0deg <= theta < 45deg and 0deg <= phi < 360deg)."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_energyspectr_par_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    32
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron energy parallel to the magnetic field direction during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES energySpectr_par"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "DEF_par"
                },
                {
                  "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 (not instrument look direction) is within 30 degrees of the magnetic field direction."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_energyspectr_anti_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    32
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron energy anti-parallel to the magnetic field direction during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES energySpectr_anti"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "DEF_anti-par"
                },
                {
                  "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 (not instrument look direction) is within 150 degrees of the magnetic field direction."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_energyspectr_perp_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    32
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron energy perpendicular to the magnetic field direction during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES energySpectr_perp"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "DEF_perp"
                },
                {
                  "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 (not instrument look direction) is within 60-120 degrees of the magnetic field direction."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_energyspectr_omni_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    32
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES omni-directional electron energy spectrum during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DEPEND_1": "mms1_des_energy_fast"
                },
                {
                  "DISPLAY_TYPE": "spectrogram"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES energySpectr_omni"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "DEF_omni"
                },
                {
                  "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"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_numberdensity_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron number density during this survey"
                },
                {
                  "DELTA_PLUS_VAR": "mms1_des_numberdensity_err_fast"
                },
                {
                  "DELTA_MINUS_VAR": "mms1_des_numberdensity_err_fast"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES number density"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "N"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1e6>m^-3"
                },
                {
                  "UNITS": "cm^-3"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 100000.0
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_numberdensity_err_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron number density error during this survey"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES number density error"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "N_err"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1e6>m^-3"
                },
                {
                  "UNITS": "cm^-3"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 100000.0
                },
                {
                  "VAR_TYPE": "support_data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_densityextrapolation_low_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES estimated (via extrapolation to 0) contribution to density integral below 10eV"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES density extrapolation (low)"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "N"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1e6>m^-3"
                },
                {
                  "UNITS": "cm^-3"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 100000.0
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_densityextrapolation_high_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 0
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES estimated (via extrapolation to infinity) contribution to density integral above 30keV"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES density extrapolation (high)"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "N"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1e6>m^-3"
                },
                {
                  "UNITS": "cm^-3"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 100000.0
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_bulkv_dbcs_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    3
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron bulk-velocity vector in DBCS during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DELTA_PLUS_VAR": "mms1_des_bulkv_err_fast"
                },
                {
                  "DELTA_MINUS_VAR": "mms1_des_bulkv_err_fast"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES DBCS bulk v"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABL_PTR_1": "mms1_des_bulkv_dbcs_label_fast"
                },
                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1.0e3>m s^-1"
                },
                {
                  "TENSOR_ORDER": 1
                },
                {
                  "UNITS": "km/s"
                },
                {
                  "VALIDMIN": -110000.0
                },
                {
                  "VALIDMAX": 110000.0
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_bulkv_spintone_dbcs_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    3
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron bulk-velocity estimated spintone vector in DBCS during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES DBCS bulk v spintone"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABL_PTR_1": "mms1_des_bulkv_spintone_dbcs_label_fast"
                },
                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1.0e3>m s^-1"
                },
                {
                  "TENSOR_ORDER": 1
                },
                {
                  "UNITS": "km/s"
                },
                {
                  "VALIDMIN": -110000.0
                },
                {
                  "VALIDMAX": 110000.0
                },
                {
                  "VAR_NOTES": "Estimated systematic error (positive or negative) in spin-plane bulk velocity (km/s) due to imperfect sensor suite flat-fielding. This can be subtracted from bulk velocity to obtain the corrected velocity vector."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_bulkv_gse_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
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                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron bulk-velocity vector in GSE during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "GSE>Geocentric Solar Ecliptic"
                },
                {
                  "DELTA_PLUS_VAR": "mms1_des_bulkv_err_fast"
                },
                {
                  "DELTA_MINUS_VAR": "mms1_des_bulkv_err_fast"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES GSE bulk v"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABL_PTR_1": "mms1_des_bulkv_gse_label_fast"
                },
                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1.0e3>m s^-1"
                },
                {
                  "TENSOR_ORDER": 1
                },
                {
                  "UNITS": "km/s"
                },
                {
                  "VALIDMIN": -110000.0
                },
                {
                  "VALIDMAX": 110000.0
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_bulkv_spintone_gse_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
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                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
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                    3
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron bulk-velocity estimated spintone vector in GSE during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "GSE>Geocentric Solar Ecliptic"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES GSE bulk v spintone"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABL_PTR_1": "mms1_des_bulkv_spintone_gse_label_fast"
                },
                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1.0e3>m s^-1"
                },
                {
                  "TENSOR_ORDER": 1
                },
                {
                  "UNITS": "km/s"
                },
                {
                  "VALIDMIN": -110000.0
                },
                {
                  "VALIDMAX": 110000.0
                },
                {
                  "VAR_NOTES": "Estimated systematic error (positive or negative) in spin-plane bulk velocity (km/s) due to imperfect sensor suite flat-fielding. This can be subtracted from bulk velocity to obtain the corrected velocity vector."
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_bulkv_err_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
                {
                  "DimSizes": [
                    3
                  ]
                },
                {
                  "RecVariance": "VARY"
                },
                {
                  "DimVariances": [
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron bulk-velocity error vector during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES bulk v error"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABL_PTR_1": "mms1_des_bulkv_err_label_fast"
                },
                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "1.0e3>m s^-1"
                },
                {
                  "TENSOR_ORDER": 1
                },
                {
                  "UNITS": "km/s"
                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 220000.0
                },
                {
                  "VAR_NOTES": "Error can be applied to either DBCS or GSE coordinate system"
                },
                {
                  "VAR_TYPE": "support_data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_prestensor_dbcs_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
                {
                  "NumElements": 1
                },
                {
                  "NumDims": 2
                },
                {
                  "DimSizes": [
                    3,
                    3
                  ]
                },
                {
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                {
                  "DimVariances": [
                    "VARY",
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron pressure tensor in DBCS during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DELTA_PLUS_VAR": "mms1_des_prestensor_err_fast"
                },
                {
                  "DELTA_MINUS_VAR": "mms1_des_prestensor_err_fast"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES DBCS pres tensor"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "P_DBCS"
                },
                {
                  "LABL_PTR_1": "mms1_des_cartrep_fast"
                },
                {
                  "LABL_PTR_2": "mms1_des_cartrep_fast"
                },
                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
                },
                {
                  "REPRESENTATION_2": "mms1_des_cartrep_fast"
                },
                {
                  "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"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_prestensor_gse_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
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                {
                  "NumElements": 1
                },
                {
                  "NumDims": 2
                },
                {
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                    3,
                    3
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                },
                {
                  "RecVariance": "VARY"
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                {
                  "DimVariances": [
                    "VARY",
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron pressure tensor in GSE during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "GSE>Geocentric Solar Ecliptic"
                },
                {
                  "DELTA_PLUS_VAR": "mms1_des_prestensor_err_fast"
                },
                {
                  "DELTA_MINUS_VAR": "mms1_des_prestensor_err_fast"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES GSE pres tensor"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "P_GSE"
                },
                {
                  "LABL_PTR_1": "mms1_des_cartrep_fast"
                },
                {
                  "LABL_PTR_2": "mms1_des_cartrep_fast"
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                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
                },
                {
                  "REPRESENTATION_2": "mms1_des_cartrep_fast"
                },
                {
                  "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"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_prestensor_err_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
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                {
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                    3
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                },
                {
                  "RecVariance": "VARY"
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                {
                  "DimVariances": [
                    "VARY",
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron pressure tensor error during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES Pres error"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "P_err"
                },
                {
                  "LABL_PTR_1": "mms1_des_cartrep_fast"
                },
                {
                  "LABL_PTR_2": "mms1_des_cartrep_fast"
                },
                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
                },
                {
                  "REPRESENTATION_2": "mms1_des_cartrep_fast"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "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"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_temptensor_dbcs_fast": [
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              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
                },
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                  "NumElements": 1
                },
                {
                  "NumDims": 2
                },
                {
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                    3
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                },
                {
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                },
                {
                  "DimVariances": [
                    "VARY",
                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
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                {
                  "CATDESC": "MMS1 FPI/DES electron temperature tensor in DBCS during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
                },
                {
                  "DELTA_PLUS_VAR": "mms1_des_temptensor_err_fast"
                },
                {
                  "DELTA_MINUS_VAR": "mms1_des_temptensor_err_fast"
                },
                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES DBCS temp tensor"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "T_DBCS"
                },
                {
                  "LABL_PTR_1": "mms1_des_cartrep_fast"
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                  "LABL_PTR_2": "mms1_des_cartrep_fast"
                },
                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
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                  "REPRESENTATION_2": "mms1_des_cartrep_fast"
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                {
                  "SCALETYP": "linear"
                },
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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"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_temptensor_gse_fast": [
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                  "DataType": "CDF_REAL4"
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                {
                  "NumElements": 1
                },
                {
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                },
                {
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                    3
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                },
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                    "VARY"
                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES electron temperature tensor in GSE during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "GSE>Geocentric Solar Ecliptic"
                },
                {
                  "DELTA_PLUS_VAR": "mms1_des_temptensor_err_fast"
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                {
                  "DELTA_MINUS_VAR": "mms1_des_temptensor_err_fast"
                },
                {
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                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES GSE temp tensor"
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                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABLAXIS": "T_GSE"
                },
                {
                  "LABL_PTR_1": "mms1_des_cartrep_fast"
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                {
                  "LABL_PTR_2": "mms1_des_cartrep_fast"
                },
                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
                },
                {
                  "REPRESENTATION_2": "mms1_des_cartrep_fast"
                },
                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "11604.50520>K"
                },
                {
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                {
                  "UNITS": "eV"
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                {
                  "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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                  "DataType": "CDF_REAL4"
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                {
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                {
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                    3
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                },
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                    "VARY"
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                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
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                  "CATDESC": "MMS1 FPI/DES electron temperature tensor error during this survey"
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                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
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                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES DBCS temp error"
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                },
                {
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                  "LABLAXIS": "T_err"
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                {
                  "LABL_PTR_1": "mms1_des_cartrep_fast"
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                {
                  "LABL_PTR_2": "mms1_des_cartrep_fast"
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                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
                },
                {
                  "REPRESENTATION_2": "mms1_des_cartrep_fast"
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                {
                  "SCALETYP": "linear"
                },
                {
                  "SI_CONVERSION": "11604.50520>K"
                },
                {
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                },
                {
                  "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"
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              ]
            }
          ]
        },
        {
          "mms1_des_heatq_dbcs_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
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                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
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                {
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                },
                {
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                  ]
                },
                {
                  "PadValue": -1e+30
                }
              ]
            },
            {
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                {
                  "CATDESC": "MMS1 FPI/DES electron heat-flux vector in DBCS during this survey"
                },
                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
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                {
                  "DELTA_PLUS_VAR": "mms1_des_heatq_err_fast"
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                {
                  "DELTA_MINUS_VAR": "mms1_des_heatq_err_fast"
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                {
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                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES DBCS heatq"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABL_PTR_1": "mms1_des_heatq_dbcs_label_fast"
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                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
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                {
                  "SCALETYP": "linear"
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                },
                {
                  "TENSOR_ORDER": 1
                },
                {
                  "UNITS": "mW/m^2"
                },
                {
                  "VALIDMIN": -100000000.0
                },
                {
                  "VALIDMAX": 100000000.0
                },
                {
                  "VAR_TYPE": "data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_heatq_gse_fast": [
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                {
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                }
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            {
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                {
                  "CATDESC": "MMS1 FPI/DES electron heat-flux vector in GSE during this survey"
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                {
                  "COORDINATE_SYSTEM": "GSE>Geocentric Solar Ecliptic"
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                {
                  "DELTA_PLUS_VAR": "mms1_des_heatq_err_fast"
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                {
                  "DELTA_MINUS_VAR": "mms1_des_heatq_err_fast"
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                {
                  "DISPLAY_TYPE": "time_series"
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                {
                  "FIELDNAM": "MMS1 FPI/DES GSE heatq"
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                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABL_PTR_1": "mms1_des_heatq_gse_label_fast"
                },
                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
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                {
                  "SCALETYP": "linear"
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                {
                  "SI_CONVERSION": "1.0e-3>W m^-2"
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                  "TENSOR_ORDER": 1
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                  "UNITS": "mW/m^2"
                },
                {
                  "VALIDMIN": -100000000.0
                },
                {
                  "VALIDMAX": 100000000.0
                },
                {
                  "VAR_TYPE": "data"
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              ]
            }
          ]
        },
        {
          "mms1_des_heatq_err_fast": [
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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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                  "CATDESC": "MMS1 FPI/DES electron heat-flux error vector during this survey"
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                {
                  "COORDINATE_SYSTEM": "DBCS>Despun Body Coordinate System"
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                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI/DES heatq error"
                },
                {
                  "FILLVAL": -1e+31
                },
                {
                  "FORMAT": "E12.2"
                },
                {
                  "LABL_PTR_1": "mms1_des_heatq_err_label_fast"
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                {
                  "REPRESENTATION_1": "mms1_des_cartrep_fast"
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                {
                  "SCALETYP": "linear"
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                {
                  "SI_CONVERSION": "1.0e-3>W m^-2"
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                  "TENSOR_ORDER": 1
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                {
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                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 200000000.0
                },
                {
                  "VAR_NOTES": "Error can be applied to either DBCS or GSE coordinate system"
                },
                {
                  "VAR_TYPE": "support_data"
                }
              ]
            }
          ]
        },
        {
          "mms1_des_alpha_fast": [
            {
              "VarDescription": [
                {
                  "DataType": "CDF_REAL4"
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                {
                  "NumElements": 1
                },
                {
                  "NumDims": 1
                },
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                },
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                },
                {
                  "BlockingFactor": 1
                }
              ]
            },
            {
              "VarAttributes": [
                {
                  "CATDESC": "MMS1 FPI/DES fast survey sky-map pitch angles"
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                {
                  "DELTA_PLUS_VAR": "mms1_des_alpha_delta_fast"
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                {
                  "DELTA_MINUS_VAR": "mms1_des_alpha_delta_fast"
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                {
                  "FIELDNAM": "MMS1 FPI/DES alpha"
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                },
                {
                  "FORMAT": "E12.2"
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                {
                  "LABLAXIS": "pitch_ang"
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                {
                  "SCALETYP": "linear"
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                {
                  "SI_CONVERSION": "0.0174532925>rad"
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                {
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                },
                {
                  "VALIDMIN": 0.0
                },
                {
                  "VALIDMAX": 180.0
                },
                {
                  "VAR_NOTES": "Pitch-angles angles used in pitch angle spectrograms (bent Pipe field)"
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                {
                  "VAR_TYPE": "support_data"
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              ]
            },
            {
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                21.0,
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                33.0,
                39.0,
                45.0,
                51.0,
                57.0,
                63.0,
                69.0,
                75.0,
                81.0,
                87.0,
                93.0,
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                135.0,
                141.0,
                147.0,
                153.0,
                159.0,
                165.0,
                171.0,
                177.0
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        {
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                  "DataType": "CDF_REAL4"
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                {
                  "LABLAXIS": "delta pitch_ang"
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                {
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                {
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                {
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                },
                {
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                {
                  "VAR_TYPE": "support_data"
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            {
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                3.0,
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                3.0,
                3.0,
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                3.0,
                3.0,
                3.0,
                3.0,
                3.0,
                3.0,
                3.0,
                3.0,
                3.0,
                3.0,
                3.0,
                3.0,
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        },
        {
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            {
              "VarDescription": [
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                  "DataType": "CDF_REAL4"
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                {
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                },
                {
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                {
                  "PadValue": -1e+30
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              ]
            },
            {
              "VarAttributes": [
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                {
                  "DEPEND_0": "Epoch"
                },
                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI1/DES tempPara"
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                },
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                {
                  "LABLAXIS": "eT_para"
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                  "SCALETYP": "linear"
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                {
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                {
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                {
                  "VALIDMAX": 1e+30
                },
                {
                  "VAR_TYPE": "data"
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              ]
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          ]
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        {
          "mms1_des_tempperp_fast": [
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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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            {
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                  "CATDESC": "MMS1 FPI/DES electron perpendicular temperature during this BP"
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                {
                  "DEPEND_0": "Epoch"
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                {
                  "DISPLAY_TYPE": "time_series"
                },
                {
                  "FIELDNAM": "MMS1 FPI1/DES tempPerp"
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                },
                {
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                {
                  "LABLAXIS": "eT_perp"
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                  "SCALETYP": "linear"
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                {
                  "SI_CONVERSION": "11604.50520>K"
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                {
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                {
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                {
                  "VALIDMAX": 1e+30
                },
                {
                  "VAR_TYPE": "data"
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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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                  "FORMAT": "A16"
                },
                {
                  "VAR_TYPE": "metadata"
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              ]
            },
            {
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          ]
        },
        {
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                {
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            {
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                  "FORMAT": "A15"
                },
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                  "VAR_TYPE": "metadata"
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            },
            {
              "VarData": [
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