Version:2.7.1
NumericalData
ResourceID
spase://NASA/NumericalData/CRRES/LPI/PT30S
NamingAuthority
NASA
ResourceType
NumericalData
ResourceHeader
ResourceName
CRRES electric field and convection drift data
AlternateName
CRRES Langmuir Probe data
ReleaseDate
2025-12-04 13:29:05Z
RevisionHistory
RevisionEvent
ReleaseDate
2025-05-01 21:14:30Z
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2025-11-14 16:03:09Z
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 13:29:05Z
Note
Added MetadataRightsList. Updated to 2.7.1. ZCB
Description
This data set includes the electric field and convection drift information from the CRRES spacecraft. The langmuir probe instrument data is at 30 s resolution. The files include the electric field vectors, elcetric field magnitude, and the convection drift vectors from both the spherical sensors and the cylindrical antennas.
Acknowledgement
NASA; Department of Defense-Department of the Air Force (United States); AFRL; Prof. Forrest S. Mozer; Dr. E. Gary Mullen
PublicationInfo
Authors
Mozer, Forrest S.; Mullen, E. G.
PublicationDate
2025-11-14 16:03:09Z
PublishedBy
University of California, Los Angeles
Contacts
InformationURL
Name
CRRES Langmuir Probe Instrument Introduction
URL
Description
NASA NSSDC CRRES Langmuir Probe Instrument
Association
AssociationID
AssociationType
ObservedBy
PriorIDs
spase://VMO/NumericalData/CRRES/LPI/PT30S
spase://VSPO/NumericalData/CRRES/LPI/PT30S
AccessInformation
RepositoryID
Availability
Online
AccessRights
Open
AccessURL
Name
Virtual Magnetospheric Observatory
URL
Format
Text
Encoding
ASCII
Acknowledgement
NASA; Department of Defense-Department of the Air Force (United States); AFRL; Prof. Forrest S. Mozer; Dr. E. Gary Mullen
ProcessingLevel
Calibrated
ProviderResourceName
CRRES Langmuir Probe Instrument Information
ProviderProcessingLevel
Level-2
InstrumentIDs
MeasurementType
ElectricField
TemporalDescription
TimeSpan
StartDate
1990-10-11 00:00:00.000
StopDate
1991-10-13 00:00:00.000
Note
Time format in data files is: Year-Month-Day Hour Minute Second (YYYY-MM-DDTHH:MM:SS.SSS)
Cadence
PT30S
ObservedRegion
Earth.Magnetosphere.Main
ObservedRegion
Earth.Magnetosphere.RadiationBelt
Keywords
30 s
Radiation Belt
Inner Magnetosphere
Magnetosphere
Radiation Belt
Plasmasphere
electric fields
Langmuir Probe Instrument
Parameter #1
Name
Universal Time
ParameterKey
Time
Description
Universal Time columns from left to right are: year month day hour minute sec in the format of yyyy mm dd hh mm ss.
Caveats
Flag=9999-12-31T23:59:59Z
Cadence
PT30S
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
GSE
Structure
Size
6
Description
Universal Time expressed using a 6-column day, month, year, hour, minute, second representation
Element
Name
Year
Index
1
ParameterKey
Year
Element
Name
Month
Index
2
ParameterKey
Month
Element
Name
Day
Index
3
ParameterKey
Day
Element
Name
Hour
Index
4
ParameterKey
Hour
Element
Name
Minute
Index
5
ParameterKey
Minute
Element
Name
Second
Index
6
ParameterKey
Second
Support
Parameter #2
Name
CRRES Langmuir Probe Instrument Electric Field Vector Data from the Spherical Antenna at 30 s Resolution
ParameterKey
CRRES langmuir probe instrument spherical antenna electric field vector
Description
Langmuir probe instrument spherical antenna electric field vectors from CRRES. The coordinate system is a modified coordinate system with the x-axis pointing toward the sun, the y-axis pointing toward the dusk, and the z-axis pointing along the north ecliptic pole.
Caveats
Flags=99999; The coordinate system is a modified coordinate system with the x-axis pointing toward the sun, the y-axis pointing toward the dusk, and the z-axis pointing along the north ecliptic pole.
Cadence
PT30S
Units
mV/M
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SC
Structure
Size
3
Element
Name
EX-MGSE
Qualifier
Component.I
Index
1
ParameterKey
Ex
Element
Name
EY-MGSE
Qualifier
Component.J
Index
2
ParameterKey
Ey
Element
Name
EZ-MGSE
Qualifier
Component.K
Index
3
ParameterKey
Ez
Field
Qualifier
Vector
FieldQuantity
Electric
Parameter #3
Name
CRRES Langmuir Probe Instrument Electric Field Magnitude Data from the Spherical Antenna at 30 s Resolution
ParameterKey
CRRES langmuir probe instrument spherical antenna electric field magnitude
Description
Langmuir probe instrument spherical antenna electric field magnitudes from CRRES.
Caveats
Flags=99999
Cadence
PT30S
Units
nT
Field
Qualifier
Magnitude
FieldQuantity
Electric
Parameter #4
Name
CRRES Langmuir Probe Instrument Electric Field Data from the Cylindrical Antenna at 30 s Resolution
ParameterKey
CRRES langmuir probe instrument cylindrical antenna electric field vector
Description
Langmuir probe instrument cylindrical antenna electric field vectors from CRRES. The coordinate system is a modified coordinate system with the x-axis pointing toward the sun, the y-axis pointing toward the dusk, and the z-axis pointing along the north ecliptic pole.
Caveats
Flags=99999; The coordinate system is a modified coordinate system with the x-axis pointing toward the sun, the y-axis pointing toward the dusk, and the z-axis pointing along the north ecliptic pole.
Cadence
PT30S
Units
mV/M
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SC
Structure
Size
3
Element
Name
EX-MGSE
Qualifier
Component.I
Index
1
ParameterKey
Ex
Element
Name
EY-MGSE
Qualifier
Component.J
Index
2
ParameterKey
Ey
Element
Name
EZ-MGSE
Qualifier
Component.K
Index
3
ParameterKey
Ez
Field
Qualifier
Vector
FieldQuantity
Electric
Parameter #5
Name
CRRES Langmuir Probe Instrument Electric Field Magnitude Data from the Cylindrical Antenna at 30 s Resolution
ParameterKey
CRRES langmuir probe instrument cylindrical antenna electric field magnitude
Description
Langmuir probe instrument cylindrical antenna electric field magnitudes from CRRES.
Caveats
Flags=99999
Cadence
PT30S
Units
nT
Field
Qualifier
Magnitude
FieldQuantity
Electric
Parameter #6
Name
CRRES Langmuir Probe Instrument Convection Drift Velocity Vector Data from the Spherical Antenna at 30 s Resolution
ParameterKey
CRRES langmuir probe instrument spherical antenna convection drift velocity vector
Description
Langmuir probe instrument spherical antenna convection drift velocity vectors from CRRES. The coordinate system is a modified coordinate system with the x-axis pointing toward the sun, the y-axis pointing toward the dusk, and the z-axis pointing along the north ecliptic pole.
Caveats
Flags=99999; The coordinate system is a modified coordinate system with the x-axis pointing toward the sun, the y-axis pointing toward the dusk, and the z-axis pointing along the north ecliptic pole.
Cadence
PT30S
Units
km/s
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SC
Structure
Size
3
Element
Name
VX-MGSE
Qualifier
Component.I
Index
1
ParameterKey
Vx
Element
Name
VY-MGSE
Qualifier
Component.J
Index
2
ParameterKey
Vy
Element
Name
VZ-MGSE
Qualifier
Component.K
Index
3
ParameterKey
Vz
Mixed
MixedQuantity
Other
Qualifier
Vector
Parameter #7
Name
CRRES Langmuir Probe Instrument Convection Drift Velocity Vector Data from the Cylindrical Antenna at 30 s Resolution
ParameterKey
CRRES langmuir probe instrument cylindrical antenna convection drift velocity vector
Description
Langmuir probe instrument cylindrical antenna convection drift velocity vectors from CRRES.
Caveats
Flags=99999
Cadence
PT30S
Units
km/s
CoordinateSystem
CoordinateRepresentation
Cartesian
CoordinateSystemName
SC
Structure
Size
3
Element
Name
VX-MGSE
Qualifier
Component.I
Index
1
ParameterKey
Vx
Element
Name
VY-MGSE
Qualifier
Component.J
Index
2
ParameterKey
Vy
Element
Name
VZ-MGSE
Qualifier
Component.K
Index
3
ParameterKey
Vz
Mixed
MixedQuantity
Other
Qualifier
Vector
Parameter #8
Name
CRRES Angle Between Fluxgate Magnetometer and the Spin Plane at 30 s resolution
ParameterKey
CRRES angle between the magnetic field and the spin plane
Description
CRRES angle between the magnetic field and the spin plane at 30 s resolution in untis of degrees.
Caveats
Flags=99999
Cadence
PT30S
Support