SPASE Resource Description

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} function getVersionedBibTeX(bibtex) { /* Add version field as suggested by August (Gus) Muench, Journals Data Editor, American Astronomical Society (email dated 7/7/25) */ const accessVersion = ", version={Accessed on " + currentIsoDateStr + "}"; const modifiedBibtex = bibtex.substring(0, bibtex.lastIndexOf("}")) + accessVersion + "}"; return modifiedBibtex; } function getBlob(text) { return new Blob([text], { type: "text/plain"}); } function clipboardAlert(text) { alert(text + "\nCopied to clipboard"); } function clipCitation(doi) { document.body.style.cursor = 'wait'; let url = "https://citation.doi.org/format?doi=" + doi.replace("https://doi.org/", "") + String.fromCodePoint(38) + "style=bibtex" + String.fromCodePoint(38) + "lang=en-US"; const text = new ClipboardItem({ "text/plain": fetch(url) .then(getResponseText) .then(getVersionedBibTeX) .then(getBlob) }); navigator.clipboard.write([text]); text.getType("text/plain") .then(getResponseText) .then(clipboardAlert); } function toggle_usa_banner_details() { const details = document.getElementById("usa-banner-details"); const indicator = document.getElementById("usa-banner-indicator"); if (details.style.display === "none") { details.style.display = "block"; indicator.textContent = "^"; } else { details.style.display = "none"; indicator.textContent = "v"; } } const monthName=new Array("January","February","March","April","May","June","July","August","September","October","November","December"); let currentDate = new Date(); let currentIsoDateStr = currentDate.toISOString().substring(0, 10); let currentDateStr = currentDate.getFullYear() + '-' + monthName[currentDate.getMonth()] + '-' + currentDate.getDate(); Data Access VMO UCLA FTPS from SPDF (not with most browsers) HTTPS from SPDF DE 1 Magnetic Field Observations Triaxial Fluxgate Magnetometer (MAG-A)high resolution data set var authors='Sugiura, Masahisa'; document.write(authors); (2025). DE 1 Magnetic Field Observations Triaxial Fluxgate Magnetometer (MAG-A)high resolution data set. [Data set]. University of California, Los Angeles; Space Physics Data Facility. https://doi.org/10.48322/52sp-cp55. Accessed on document.write(currentDateStr);. Note: Proper references, including Copy BibTeX Citation 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/NumericalData/DE1/MAGA/PT0.062S Description Dynamics Explorer 1 Magnetic Field Observations Triaxial Fluxgate Magnetometer 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. View XML | Edit Details Version:2.7.1 NumericalData ResourceID spase://NASA/NumericalData/DE1/MAGA/PT0.062S NamingAuthority NASA ResourceType NumericalData ResourceHeader ResourceName DE 1 Magnetic Field Observations Triaxial Fluxgate Magnetometer (MAG-A)high resolution data set AlternateName Dynamics Explorer 1 MAG-A data AlternateName DE-A MAG-A data DOI https://doi.org/10.48322/52sp-cp55 ReleaseDate 2026-07-21 12:04:48Z RevisionHistory RevisionEvent ReleaseDate 2025-05-02 17:14:50Z Note Only known prior ReleaseDate of the metadata RevisionEvent ReleaseDate 2025-11-14 16:01:57Z 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 and RightsList(s). Updated to 2.7.1. ZCB RevisionEvent ReleaseDate 2026-06-26 13:16:38Z Note Add 'Z' to TemporalDescription:TimeSpan:StartDate, TemporalDescription:TimeSpan:StopDate. ZCB RevisionEvent ReleaseDate 2026-07-21 12:04:48Z Note Added HelioData InformationURL. JWL Description Dynamics Explorer 1 Magnetic Field Observations Triaxial Fluxgate Magnetometer Acknowledgement NASA; Masahisa Sugiura PublicationInfo Authors Sugiura, Masahisa PublicationDate 2025-11-14 16:01:57Z PublishedBy University of California, Los Angeles; Space Physics Data Facility Contacts Role Person StartDate StopDate Note 1. PrincipalInvestigator spase://SMWG/Person/Masahisa.Sugiura 2. MetadataContact spase://SMWG/Person/James.M.Weygand InformationURL Name NSSDC's Master Catalog on the Magnetic Field Observations Triaxial Fluxgate Magnetometer URL https://nssdc.gsfc.nasa.gov/nmc/experiment/display.action?id=1981-070A-01 Description Introduction to the Magnetic Field Observations Triaxial Fluxgate Magnetometer on DE 1 InformationURL Name HelioData URL https://helio.data.nasa.gov/dataset/DE1_MAGA_PT0.062S Description The HelioData dataset page provides an overview of the dataset with access links, associated variables, and more. PriorIDs spase://VMO/NumericalData/DE1/MAGA/PT0.062S spase://VSPO/NumericalData/DE1/MAGA/PT0.062S AccessInformation RepositoryID spase://SMWG/Repository/UCLA/DE1 Availability Online AccessRights Open AccessURL Name VMO UCLA URL http://vmo.igpp.ucla.edu/data1/DE1/MAGA/gms_62ms_vmsbin/ Description Dynamics Explorer 1 MAG-B 62 ms data Format Text Encoding ASCII Acknowledgement NASA; Masahisa Sugiura; VMO 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 FTPS from SPDF (not with most browsers) URL ftps://spdf.gsfc.nasa.gov/pub/data/de/de1/magnetic_fields_maga/62ms_magagms_cdaweb/ AccessURL Name HTTPS from SPDF URL https://spdf.gsfc.nasa.gov/pub/data/de/de1/magnetic_fields_maga/62ms_magagms_cdaweb/ Description In CDF via HTTP from SPDF Format CDF ProcessingLevel Calibrated ProviderResourceName Dynamics Explorer 1 Tri-axial fluxgate magnetometer ProviderProcessingLevel Level-2 InstrumentIDs spase://SMWG/Instrument/DynamicsExplorer1/MAGA MeasurementType MagneticField TemporalDescription TimeSpan StartDate 1981-09-15 00:00:00Z StopDate 1991-02-18 00:00:00Z Note Time format in data files is: Year, Day of Year, Milliseconds of the Day Cadence PT0.062S ObservedRegion Earth.NearSurface.Ionosphere ObservedRegion Earth.NearSurface.Plasmasphere ObservedRegion Earth.NearSurface.PolarCap Keywords 62 ms Magnetosphere Auroral region Polar Cap Cusp Radiation Belt Plasmasphere solar wind Dynamics Explorer 1 Dynamics Explorer magnetic fields magnetometer Parameter #1 Name Universal Time ParameterKey Time Description Universal Time columns from left to right are: year, day of year, milliseconds of the day. Cadence PT0.062S CoordinateSystem CoordinateRepresentation Cartesian CoordinateSystemName MAG Structure Size 3 Description Universal Time expressed using a 3-column year, day of year, milliseconds of the day representation Element Name Year Index 1 ParameterKey Year Element Name DOY Index 2 ParameterKey Day of year Element Name Milliseconds Index 3 ParameterKey Milliseconds of the Day Support SupportQuantity Temporal Parameter #2 Name Instrument Mode ParameterKey Support Data Description Instrument mode at time measurement taken. Cadence PT0.062S Units s CoordinateSystem CoordinateRepresentation Cartesian CoordinateSystemName MAG Support SupportQuantity Other Parameter #3 Name Dynamics Explorer 1 measured magnetic field vector ParameterKey Dynamics Explorer 1 Measured Magnetic Field Vectors Description Dynamics Explorer 1 components of the magnetic field, B-Radial (Br), B-Theta (Bth), and B-Phi (Bph), in Geomagnetic Spherical (GMS) Coordinates. This is a local Cartesian coordinate system. The R, Theta and Phi axes are oriented relative to a MAGSAT magnetic field model (Langel et al., 1980) positive in the directions of increasing radial distance from the center of the Earth (i.e., outward), increasing magnetic colatitude (i.e., southward) and increasing azimuth angle (i.e., magnetic east). Cadence PT0.062S Units nT CoordinateSystem CoordinateRepresentation Spherical CoordinateSystemName MAG Structure Size 3 Element Name BR-GMS Qualifier Magnitude Index 1 ParameterKey Br Element Name Bth-GMS Qualifier DirectionAngle.ElevationAngle Index 2 ParameterKey Bth Element Name Bph-GMS Qualifier DirectionAngle.AzimuthAngle Index 3 ParameterKey Bph Field Qualifier Vector FieldQuantity Magnetic Parameter #4 Name Dynamics Explorer 1 model magnetic field vector ParameterKey Dynamics Explorer 1 Model Magnetic Field Vectors Description Dynamics Explorer 1 components of the magnetic field, B-Radial (Br), B-Theta (Bth), and B-Phi (Bph), in Geomagnetic Spherical (GMS) Coordinates. This is a local Cartesian coordinate system. The R, Theta and Phi axes are oriented relative to a MAGSAT magnetic field model (Langel et al., 1980) positive in the directions of increasing radial distance from the center of the Earth (i.e., outward), increasing magnetic colatitude (i.e., southward) and increasing azimuth angle (i.e., magnetic east). Cadence PT0.062S Units nT CoordinateSystem CoordinateRepresentation Spherical CoordinateSystemName MAG Structure Size 3 Element Name MBR-GMS Qualifier Magnitude Index 1 ParameterKey MBr Element Name MBth-GMS Qualifier DirectionAngle.ElevationAngle Index 2 ParameterKey MBth Element Name MBph-GMS Qualifier DirectionAngle.AzimuthAngle Index 3 ParameterKey MBph Field Qualifier Vector FieldQuantity Magnetic Parameter #5 Name Dynamics Explorer 1 spacecraft position vector ParameterKey Dynamics Explorer 1 position vector Description Location of the Dynamics Explorer 1 spacecraft in magnetic coordinates in units of km, Degrees, and Hours Caveats Flags=999.0 Cadence PT0.062S Units km, degrees, and Hours CoordinateSystem CoordinateRepresentation Spherical CoordinateSystemName MAG Structure Size 5 Element Name GALT Qualifier Magnitude Index 1 ParameterKey Altitude (km) Element Name MLONG Qualifier DirectionAngle.AzimuthAngle Index 2 ParameterKey Magnetic Longitude (Deg) Element Name MLAT Qualifier DirectionAngle.ElevationAngle Index 3 ParameterKey Magnetic Latitude (Deg) Element Name MLT Qualifier DirectionAngle.AzimuthAngle Index 2 ParameterKey Magnetic Local Time (hours) Element Name ILAT Qualifier DirectionAngle.ElevationAngle Index 3 ParameterKey Invariant Latitude (Deg) Support SupportQuantity Positional