<_Note>Nodes prefixed with a _ are not valid SPASE, but are included for debugging. Values prefixed with a x_ are not valid SPASE but may considered for addition for completeness. 2.6.1 <_MasterURL>https://cdaweb.gsfc.nasa.gov/pub/software/cdawlib/0JSONS/erg_pwe_efd_l2_pot_00000000_v01.json (from all.xml) <_ResourceID>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json Plasma Wave Experiment (PWE) Electric Field Detector (EFD) Level 2 potential data, ARASE/ERG <_ResourceName>Source: Master/CDFglobalAttributes/Logical_source_description erg_pwe_efd_l2_pot <_AlternateName>Source: Master/CDFglobalAttributes/Logical_source <_Rights> SPDX Creative Commons Zero v1.0 Universal https://spdx.org/licenses/CC0-1.0.html https://spdx.org/licenses/ http://ergsc.isee.nagoya-u.ac.jp the ERG Science Center website For more information, see <_Note>URL also in all.xml. Using master. https://www.springeropen.com/collections/erg instrument papers in Earth, Planets and Space ERG <_Note>URL also in all.xml. Using master. Level 2 plasma wave electromagnetic field data obtained by the Plasma Wave Experiment (PWE) instrument onboard the ERG satellite <_Caveats>Source: Master/CDFglobalAttributes/Rules_of_use <_DOI>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/DOI.json <_AccessInformation>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/AccessInformation.json 2017-03-23T00:00:15Z 2025-06-30T23:59:44Z <_TemporalDescription>Generated from all.xml/@timerange_start and all.xml/@timerange_stop PT7.984467S <_Cadence>Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/erg/pwe/efd/l2/pot/2017/erg_pwe_efd_l2_pot_20170323_v03_02.cdf. The most common cadence, 7984467030 [ns] = PT7.984467S, occurred for 13.0551% of the 1411 timesteps. <_ObservedRegion>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ObservedRegion.json <_ProcessingLevel>Processing level is not available in the master file; it should be there instead of, say, https://github.com/rweigel/cdawmeta-spase/blob/main/ProcessingLevel.json spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Yoshiya Kasahara at Kanazawa University HTTPS from SPDF https://cdaweb.gsfc.nasa.gov/pub/data/erg/pwe/efd/l2/pot In CDF via HTTP from CDAWeb erg_pwe_efd_l2_pot_%Y%m%d_%Q.cdf %Y ERG_PWE_EFD_L2_POT CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Yoshiya Kasahara at Kanazawa University FTPS from SPDF ftps://cdaweb.gsfc.nasa.gov/pub/data/erg/pwe/efd/l2/pot In CDF via HTTP from CDAWeb erg_pwe_efd_l2_pot_%Y%m%d_%Q.cdf %Y ERG_PWE_EFD_L2_POT CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Yoshiya Kasahara at Kanazawa University CDAWeb Web Service https://cdaweb.gsfc.nasa.gov/WebServices/ Instructions for using web services to access this dataset an other other metadata and options for CDAWeb datasets. The ProductKey here corresponds to the query parameter 'dataset' in the tables at the AccessURL in a dataset-related request can be made. ERG_PWE_EFD_L2_POT CDF CSV GIF NetCDF PNG PS PDF XML x_Script.IDL x_Script.Python Text.ASCII x_WAV spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Yoshiya Kasahara at Kanazawa University CDAWeb Web Service user interface https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?index=sp_phys&dataset=ERG_PWE_EFD_L2_POT ERG_PWE_EFD_L2_POT Web service user interface for this product. CDF GIF PDF Text.ASCII x_WAV spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Yoshiya Kasahara at Kanazawa University CDAWeb Python Script https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/ERG_PWE_EFD_L2_POT/clientLibraryExample/ ERG_PWE_EFD_L2_POT Web service that generates a Python script to access this product. x_Script.IDL x_Script.Python spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/SSCWeb. Please also acknowledge the data producer: Yoshiya Kasahara at Kanazawa University 4D Orbit Viewer https://sscweb.gsfc.nasa.gov/4dorbit/?sc=ERG_PWE_EFD_L2_POT ERG_PWE_EFD_L2_POT Web Service to this product. HTML spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Yoshiya Kasahara at Kanazawa University CDAWeb HAPI Server https://hapi-server.org/servers/#server=CDAWeb&dataset=ERG_PWE_EFD_L2_POT ERG_PWE_EFD_L2_POT Web Service to this product using the HAPI interface. CSV JSON Binary spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Yoshiya Kasahara at Kanazawa University CDAWeb HAPI Script in Multiple Languages https://hapi-server.org/servers/#server=CDAWeb&dataset=ERG_PWE_EFD_L2_POT&return=script ERG_PWE_EFD_L2_POT Web Service user interface that generates scripts in IDL, Javascript, MATLAB, Python, Autoplot, curl, wget to access this product. See https://hapi-server.org/servers/api for the API. x_Script.IDL x_Script.Javascript x_Script.MATLAB x_Script.Python x_Script.Autoplot x_Script.curl x_Script.wget spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Yoshiya Kasahara at Kanazawa University HAPI visualizations https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=ERG_PWE_EFD_L2_POT&format=gallery ERG_PWE_EFD_L2_POT Web Service that generates plots. See https://hapi-server.org/plot/ for the API. PNG PDF SVG Inner Magnetosphere (from all.xml/observatory/description/@short) Plasma Wave Experiment (from all.xml/instrument/description/@short) Space Physics (from Master/CDFglobalAttributes/Discipline) Magnetospheric Science (from Master/CDFglobalAttributes/Discipline) ERG (from Master/CDFglobalAttributes/Source_name) Inner Magnetosphere (from Master/CDFglobalAttributes/Source_name) l2_pwe (from Master/CDFglobalAttributes/Data_type) level 2 plasma wave experiment data (from Master/CDFglobalAttributes/Data_type) PWE (from all.xml/instrument/@ID) Epoch Epoch CATDESC: 'Time, beginning of interval'. Notes not in Master CDF: 'The units are the units in CDF files. For other web services, this variable is may be represented as a time string.' ns Scalar Temporal quality flag quality_flag Master CDF CATDESC: 'quality flag for EFD'. Master CDF VAR_NOTES: 'b0:see Quality Note, b1:DC-CAL signal ON, b2:AC-CAL(E) signal ON, b3:AC-CAL(B) signal ON, b4:eclipse, b5:magnetorquer operated, b6:ambiguous UTC label, b7-b15:reserved, b16:Eu or Ev saturated, b17:U1 & U2 cannot used, b18:V1 & V2 cannot used, b19:U1 not biased, b20:U2 not biased, b21:V1 not biased, b22:V2 not biased, b23:WPT-Pre AC-Gain = L, b24:Slow-sweep CAL, b25:0-1sec delay, b26:abs(|Eu|-|Ev|):>1mV/m, b27:Direction(Eu-Ev):>15deg, b28-31:reserved'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' 4294934528 WPT1_3_BIAS_LVL WPT1_3_BIAS_LVL Master CDF CATDESC: 'EFD BIAS-V U1V1[X1Y1] (0x00:-30V 0x80:0V 0xFF:+30V)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' -1e+31 WPT2_4_BIAS_LVL WPT2_4_BIAS_LVL Master CDF CATDESC: 'EFD BIAS-V U2V2[X2Y2] (0x00:-30V 0x80:0V 0xFF:+30V)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' -1e+31 Vu1 Vu1 Master CDF CATDESC: 'Voltage of probe U1'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' V -1e+31 Vv1 Vv1 Master CDF CATDESC: 'Voltage of probe V1'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' V -1e+31 Vu2 Vu2 Master CDF CATDESC: 'Voltage of probe U2'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' V -1e+31 Vv2 Vv2 Master CDF CATDESC: 'Voltage of probe V2'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' V -1e+31 Vaverage Vave Master CDF CATDESC: 'Averaged voltage of all probes'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' V -1e+31