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HTTPS from SPDF
SPDF Plot Walk
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ISEE 1 Plasma Wave Instrument Spectrum Analyzer Spectrogram Plots
var authors='Gurnett, Donald A.';
document.write(authors);
(2025).
ISEE 1 Plasma Wave Instrument Spectrum Analyzer Spectrogram Plots.
[Data set].
Space Physics Data Facility; University of Iowa.
https://doi.org/10.48322/9rcv-rv11. Accessed on document.write(currentDateStr);.
Note: Proper references, including
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or other formats, should include the "Accessed on date" to identify the version of the resource being cited in a given publication.
ResourceID
spase://NASA/DisplayData/ISEE1/PWE/SA/PT12H
Description
This dataset contains dynamic spectrogram PNG plots of the ISEE-1/PWI Spectrum Analyzer data. Each plot spans 12 hours. The dataset consists of files from 0-12UT and 12-24UT. These data were obtained from the Ev long wire antenna in the spin plane and the Bz search coil along the spin axis. Each image consists of two panels. The title above the upper panel is "ISEE-1 PWI Spectrum Analyzer Ev Antenna and Bz Search Coil" Each panel is a plot of the power spectral density of received signal (color scale) as a function of operating frequency (in a logarithmic scale on the vertical axis) and time (horizontal axis). The upper panel is a plot of Electric Spectral Density (SD) the lower plot is Magnetic SD. Beneath the time labels on the horizontal axis of the spectrograms are ephemeris data: position of the spacecraft in radial distance (Earth radii), geomagnetic latitude, magnetic local time, and McIlwain L-shell. Overlaid on the upper plot are traces of the electron cyclotron frequencies. At the bottom of the image is the date, day number and time range. Located in the same directory are the daily ISEE-1 PWI Sweep Frequency Receiver (SFR) spectrograms.
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
DisplayData
ResourceID
spase://NASA/DisplayData/ISEE1/PWE/SA/PT12H
NamingAuthority
NASA
ResourceType
DisplayData
ResourceHeader
ResourceName
ISEE 1 Plasma Wave Instrument Spectrum Analyzer Spectrogram Plots
AlternateName
ISEE-1 PWI SA Spectrogram Plots.
DOI
https://doi.org/10.48322/9rcv-rv11
ReleaseDate
2026-02-25 20:57:20Z
RevisionHistory
RevisionEvent
ReleaseDate
2020-07-07 19:48:34Z
Note
Only known prior ReleaseDate of the metadata
RevisionEvent
ReleaseDate
2025-11-14 16:17:34Z
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 13:27:59Z
Note
Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB
RevisionEvent
ReleaseDate
2026-02-25 20:57:20Z
Note
Added DOI. tlk
Description
This dataset contains dynamic spectrogram PNG plots of the ISEE-1/PWI Spectrum Analyzer data. Each plot spans 12 hours. The dataset consists of files from 0-12UT and 12-24UT. These data were obtained from the Ev long wire antenna in the spin plane and the Bz search coil along the spin axis. Each image consists of two panels. The title above the upper panel is "ISEE-1 PWI Spectrum Analyzer Ev Antenna and Bz Search Coil" Each panel is a plot of the power spectral density of received signal (color scale) as a function of operating frequency (in a logarithmic scale on the vertical axis) and time (horizontal axis). The upper panel is a plot of Electric Spectral Density (SD) the lower plot is Magnetic SD. Beneath the time labels on the horizontal axis of the spectrograms are ephemeris data: position of the spacecraft in radial distance (Earth radii), geomagnetic latitude, magnetic local time, and McIlwain L-shell. Overlaid on the upper plot are traces of the electron cyclotron frequencies. At the bottom of the image is the date, day number and time range. Located in the same directory are the daily ISEE-1 PWI Sweep Frequency Receiver (SFR) spectrograms.
PublicationInfo
Authors
Gurnett, Donald A.
PublicationDate
2025-11-14 16:17:34Z
PublishedBy
Space Physics Data Facility; University of Iowa
Contacts
Role
Person
StartDate
StopDate
Note
1.
PrincipalInvestigator
spase://SMWG/Person/Donald.A.Gurnett
2.
MetadataContact
spase://SMWG/Person/Jolene.S.Pickett
3.
MetadataContact
spase://SMWG/Person/Larry.J.Granroth
4.
MetadataContact
spase://SMWG/Person/Chris.W.Piker
InformationURL
Name
The University of Iowa ISEE-1 PWI Page
URL
http://www-pw.physics.uiowa.edu/isee/
Description
Language
en
Association
AssociationID
spase://NASA/NumericalData/ISEE1/PWE/SA/PT1S
AssociationType
DerivedFrom
PriorIDs
spase://VWO/DisplayData/ISEE1/PWE/SA.PT12H
spase://VSPO/DisplayData/ISEE1/PWE/SA/PT12H
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF
Availability
Online
AccessRights
Open
RightsList
Rights
SchemeURI
https://spdx.org/licenses/
RightsIdentifierScheme
SPDX
RightsIdentifier
CC0-1.0
RightsURI
https://spdx.org/licenses/CC0-1.0.html
RightsName
Creative Commons Zero v1.0 Universal
Note
CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products
AccessURL
Name
HTTPS from SPDF
URL
https://spdf.gsfc.nasa.gov/pub/pre_generated_plots/isee/isee1/
Description
Access to a directory tree (ordered by year) of PNG format plots for ISEE-1 SFR (daily) and SA (12 hour) dynamic spectrograms.
Language
en
Format
PNG
Encoding
None
AccessInformation
RepositoryID
spase://SMWG/Repository/NASA/GSFC/SPDF
Availability
Online
AccessRights
Open
AccessURL
Name
SPDF Plot Walk
URL
https://spdf.gsfc.nasa.gov/plot_walk/?id=spase://NASA/DisplayData/ISEE1/PWE/SA/PT12H
Description
SPDF pre-generated data plot. Note: this AccessInformation element was added by HDPWS.
Format
GIF
Format
PNG
Format
Postscript
Format
PDF
AccessInformation
RepositoryID
spase://SMWG/Repository/UIowa/RadioPlasmaWaveGroup
Availability
Online
AccessRights
Open
AccessURL
Name
HTTPS from SPDF
URL
http://www-pw.physics.uiowa.edu/plasma-wave/isee/data/ISEE1/cdf/browse/
Description
Access to a directory tree (ordered by the year/month/day) of PNG format plots for ISEE-1 SFR (daily) and SA (12 hour) dynamic spectrograms.
Language
en
Format
PNG
Encoding
None
InstrumentIDs
spase://SMWG/Instrument/ISEE1/PWE
MeasurementType
Waves.Passive
TemporalDescription
TimeSpan
StartDate
1977-10-23 00:00:00Z
StopDate
1987-09-26 23:59:59Z
DisplayCadence
PT12H
ObservedRegion
Earth.Magnetosphere
ObservedRegion
Earth.NearSurface.Plasmasphere
ObservedRegion
Earth.NearSurface.AuroralRegion
ObservedRegion
Earth.NearSurface.PolarCap
ObservedRegion
Heliosphere.Inner
Keywords
Dynamic Spectrogram
Spectrogram
AKR
Auroral hiss
Auroral Kilometric Radiation
Banded emissions
Broadband Electrostatic Noise (BEN)
Chorus
Continuum radiation
Electron Acoustic Waves
Electron Foreshock Waves
Electromagnetic Ion Cyclotron waves
EMIC
Electron Cyclotron Harmonics
Equatorial Noise
Ion Acoustic Waves
Ion Foreshock Waves
Kilometric Continuum radiation
Lion Roard
Myriametric radiation
Plasmaspheric Hiss
Solar radio burst
Terrestrial Kilometric Radiation
TKR
UHR
Upper hybrid resonance
Whistler mode
Whistlers
Parameter #1
Name
SA Electric Power Spectral Density
Units
V^2*m^-2*Hz^-1
Wave
WaveType
PlasmaWaves
Qualifier
Magnitude
Qualifier
Pseudo
WaveQuantity
ACElectricField
FrequencyRange
SpectralRange
RadioFrequency
Low
5.62
High
311000
Units
Hz
Parameter #2
Name
SA Magnetic Power Spectral Density
Units
nT^2 Hz^-1
Wave
WaveType
PlasmaWaves
Qualifier
Magnitude
Qualifier
Pseudo
WaveQuantity
ACMagneticField
FrequencyRange
SpectralRange
RadioFrequency
Low
5.62
High
10000
Units
Hz