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Data Access
Plasma Waves Instrument DC electric field data
DE 1 Plasma Waves Instrument (PWI) DC electric field data
var authors='Gurnett, Donald A.';
document.write(authors);
(2025).
DE 1 Plasma Waves Instrument (PWI) DC electric field data.
[Data set].
University of California, Los Angeles.
https://doi.org/10.48322/cnpg-th12. Accessed on document.write(currentDateStr);.
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ResourceID
spase://NASA/NumericalData/DE1/PWI/DCEF/PT1S
Description
Plasma Waves Instrument DC electric field data
Metadata Rights
CC0-1.0:
Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions. The actual data/software may be subject to a different license.
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Details
Version:2.7.1
NumericalData
ResourceID
spase://NASA/NumericalData/DE1/PWI/DCEF/PT1S
NamingAuthority
NASA
ResourceType
NumericalData
ResourceHeader
ResourceName
DE 1 Plasma Waves Instrument (PWI) DC electric field data
AlternateName
Dynamics Explorer 1 PWI DC electric field data
AlternateName
DE-A PWI DC electric field data
DOI
https://doi.org/10.48322/cnpg-th12
ReleaseDate
2025-12-04 13:29:06Z
RevisionHistory
RevisionEvent
ReleaseDate
2025-05-02 21:14:31Z
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2025-11-14 16:03:08Z
Note
Added PublicationInfo. Added ResourceType and NamingAuthority. Changed http to https in top-level schemaLocation attribute. Fixed version number separator in top-level schemaLocation attribute. Matched version number in schemaLocation attribute to updated value in Version tag. ZCB
RevisionEvent
ReleaseDate
2025-12-04 13:29:06Z
Note
Added MetadataRightsList. Updated to 2.7.1. ZCB
Description
Plasma Waves Instrument DC electric field data
Acknowledgement
NASA; Donald A. Gurnett
PublicationInfo
Authors
Gurnett, Donald A.
PublicationDate
2025-11-14 16:03:08Z
PublishedBy
University of California, Los Angeles
Contacts
Role
Person
StartDate
StopDate
Note
1.
PrincipalInvestigator
spase://SMWG/Person/Donald.A.Gurnett
2.
MetadataContact
spase://SMWG/Person/James.M.Weygand
InformationURL
Name
NSSDC's Master Catalog on the Plasma Wave Instrument
URL
https://nssdc.gsfc.nasa.gov/nmc/experiment/display.action?id=1981-070A-02
Description
Introduction to the Plasma Wave Instrument on DE1
PriorIDs
spase://VMO/NumericalData/DE1/PWI/DCEF/PT1S
spase://VSPO/NumericalData/DE1/PWI/DCEF/PT1S
AccessInformation
RepositoryID
spase://SMWG/Repository/UCLA/DE1
Availability
Online
AccessRights
Open
AccessURL
Name
Plasma Waves Instrument DC electric field data
URL
http://vmo.igpp.ucla.edu/data1/DE1/PWI/DCEF/
Description
This URL contains the DE1 PWI DC electric field Data
Format
Text
Encoding
ASCII
Acknowledgement
NASA;Donald.A.Gurnett
ProcessingLevel
Calibrated
ProviderResourceName
Plasma Waves Instrument DC electric field
ProviderProcessingLevel
Level-2
InstrumentIDs
spase://SMWG/Instrument/DynamicsExplorer1/PWI
MeasurementType
Waves.Passive
TemporalDescription
TimeSpan
StartDate
1981-09-16 00:00:00
StopDate
1984-06-24 00:00:00
Note
Time format in data files is: milliseconds of the day
Cadence
PT1S
ObservedRegion
Earth.NearSurface.Ionosphere
ObservedRegion
Earth.NearSurface.Plasmasphere
ObservedRegion
Earth.NearSurface.PolarCap
Caveats
Flags=NaN
Keywords
PWI
DCEF
Plasma Waves Instrument
DC electric field
magnetosphere
radiation belt
Parameter #1
Name
Universal Time
ParameterKey
Time
Description
Universal Time columns from left to right are: yeardoy msec in the format of yyddd msec.
Cadence
PT1S
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
MAG
Structure
Size
2
Description
Universal Time expressed using a 6-column day, month, year, hour, minute, second representation
Element
Name
Year Day of Year
Index
1
ParameterKey
YearDOY
Element
Name
Milliseconds
Index
2
ParameterKey
MSec
Support
SupportQuantity
Temporal
Parameter #2
Name
DE1 Plasma Wave Instrument DC electric field in the perpendicular direction
ParameterKey
PWI DC electric field in the perpendicular direction
Description
PWI DC electric field. The component of the electric field measured in the spin plane that is perpendicular to the projection of the local magnetic field on the spin plane, expressed in volts/meter.
Cadence
PT1S
Units
V/m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
MAG
Field
Qualifier
Vector
FieldQuantity
Electric
Parameter #3
Name
DE1 Plasma Wave Instrument DC electric field in the parallel direction
ParameterKey
PWI DC electric field in the parallel direction
Description
PWI DC electric field. The component of the electric field measured in the spin plane that is parallel to the projection of the local magnetic field on the spin plane, expressed in volts/meter.
Cadence
PT1S
Units
V/m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
MAG
Field
Qualifier
Vector
FieldQuantity
Electric
Parameter #4
Name
DE1 Plasma Wave Instrument DC electric field Quality
ParameterKey
PWI DC electric field Quality
Description
PWI DC electric field. An indication of the quality of the data taken with the Ex antenna. A value of -1.0 indicates that the corresponding EPAR and EPER could not be determined.
Cadence
PT1S
Units
None
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
MAG
Mixed
MixedQuantity
Other
Parameter #5
Name
DE1 Plasma Wave Instrument DC electric field in the EZ atenna direction
ParameterKey
PWI DC electric field in the EZ atenna direction
Description
PWI DC electric field. The average electric field measured by the Ez antenna, expressed in volts/meter.
Cadence
PT1S
Units
V/m
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
MAG
Field
Qualifier
Vector
FieldQuantity
Electric
Parameter #6
Name
DE1 Plasma Wave Instrument DC electric field EZ Quality
ParameterKey
PWI DC electric field EZ Quality
Description
PWI DC electric field. The standard deviation of the electric field measured by the Ez antenna. A value of -1.0 indicates that the corresponding EZAVE could not be determined.
Cadence
PT1S
Units
None
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
MAG
Mixed
MixedQuantity
Other
Parameter #7
Name
DE1 Plasma Wave Instrument Dummy Value
ParameterKey
PWI DC electric field Dummy
Description
PWI DC electric field. Dummy Value
Cadence
PT1S
Units
None
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
MAG
Mixed
MixedQuantity
Other
Parameter #8
Name
DE1 Plasma Wave Instrument DC electric field antenna
ParameterKey
PWI DC electric field Antenna used for measurement
Description
PWI DC electric field Antenna used for measurement: EX or EZ or ES or B
Cadence
PT1S
Units
None
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
MAG
Mixed
MixedQuantity
Other
Parameter #9
Name
DE1 spacecraft position vector inerpolated to 1 sec resolution
ParameterKey
Position vector
Description
Location of the spacecraft in magnetic coordinates in units of Re, Re, local time, and latitude
Cadence
PT1S
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
MAG
Structure
Size
4
Element
Name
Geocentric Radial distance of spacecraft
Qualifier
Magnitude
Index
1
ParameterKey
GeocentricRadialDistance
Element
Name
L-Shell
Index
2
ParameterKey
L-ShellValue
Element
Name
MagneticLocalTime
Index
3
ParameterKey
MagneticLocalTime
Element
Name
MagneticLatitude
Index
4
ParameterKey
MagneticLatitude
Support
SupportQuantity
Positional