2.7.1 https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available SPASE metadata descriptions spase://NASA/NumericalData/LANL/1991/SOPA/PT60S NASA NumericalData LANL 1991 Geosynchronous Orbit Particle Analyzer (SOPA) at 60 sec Resolution in Spacecraft Coordinates LANL 095 SOPA data https://doi.org/10.48322/1jyx-5h51 2026-07-21T12:05:38Z 2021-04-27T15:38:11Z Only known prior ReleaseDate of the metadata 2023-07-30T12:34:56.789Z Added DOI and PublicationInfo minted by LFB, metadata versioned up to SPASE 2.6.0, reviewed by LFB 20230727 2023-12-24T12:34:56.789Z Correct geosynchronous spelling as requested. Removed ftp link. Corrected CDAWeb url. JMW 2025-05-22T15:38:11Z Added ObservedRegion. JMW 2025-10-02T15:12:02Z Updated PublishedBy name to match ROR Registry. 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 2025-12-04T13:29:50Z Added MetadataRightsList and RightsList(s). Updated to 2.7.1. ZCB 2026-06-26T13:18:31Z Add 'Z' to RevisionEvent:ReleaseDate(s), PublicationDate, TemporalDescription:TimeSpan:StartDate, TemporalDescription:TimeSpan:StopDate. ZCB 2026-07-21T12:05:38Z Added HelioData InformationURL. JWL The LANL 1991-080 SOPA data set contains various parameters in a variety of coordinates systems including GEI, spacecraft, polar geographic, and polar magnetic coordinates at about 60 s resolution. These parameters include universal time, spacecraft location, electron and on density, electron and on temperature, electron and ion particle flux, electron and ion energies, electron and ion rangies, and data quality flags. Los Alamos National Laboratory; Dr. Reiner Friedel Dors, E.; Friedel, R. 2023-01-01T00:00:00Z Space Physics Data Facility spase://SMWG/Person/Eric.Dors GeneralContact spase://SMWG/Person/Reiner.Friedel GeneralContact spase://SMWG/Person/James.M.Weygand MetadataContact spase://SMWG/Person/Lee.Frost.Bargatze MetadataContact Los Alamos Nation Laboratory spacecraft Geosynchronous Orbit Particle Analyzer (SOPA) https://doi.org/10.1029/92JA01139 Journal of Geophysical Research Article containing information on the LANL SOPA instrument. HelioData https://helio.data.nasa.gov/dataset/LANL_1991_SOPA_PT60S The HelioData dataset page provides an overview of the dataset with access links, associated variables, and more. spase://VMO/NumericalData/LANL/LANL1991/SOPA/PT60S spase://VSPO/NumericalData/P_LANL1991_HDR_SPA_60S spase://VMO/NumericalData/LANL/1991/SOPA/PT60S spase://VSPO/NumericalData/LANL/1991/SOPA/PT60S spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb Online Open https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products HTTPS from SPDF https://spdf.gsfc.nasa.gov/pub/data/lanl/91_spa/ In CDF via HTTP from CDAWeb CDAWeb https://cdaweb.gsfc.nasa.gov/pub/data/lanl/91_spa/ L1_K0_SPA CDF https://cdaweb.gsfc.nasa.gov/pub/data/lanl/91_spa/$Y l1_k0_spa_$Y$m$d_$v.cdf LANL; Dr. Reiner Friedel spase://SMWG/Repository/NASA/GSFC/SPDF Online Open CDAWeb Programmatic Data Access https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/L1_K0_SPA/clientLibraryExample/ L1_K0_SPA Access to this data from common programming environments. Note: this AccessInformation element was added by HDPWS. Binary LANL; Dr. Reiner Friedel spase://SMWG/Repository/NASA/GSFC/SPDF/CDAWeb Online Open https://spdx.org/licenses/ SPDX CC0-1.0 https://spdx.org/licenses/CC0-1.0.html Creative Commons Zero v1.0 Universal CC0 1.0 Universal is the Creative Commons license applicable to all publicly available NASA Heliophysics data products CDAWeb HAPI Server https://cdaweb.gsfc.nasa.gov/hapi L1_K0_SPA Web Service to this product using the HAPI interface. CSV LANL; Dr. Reiner Friedel Calibrated LANL 1991-080 SOPA Numerical Data spase://SMWG/Instrument/LANL/1991/SOPA EnergeticParticles 1992-08-01T00:00:00Z 2004-11-23T23:59:59Z Time format in data files is: day, month, year hour, min, seconds. Ex: '01-Jan-1981 00:00:00.000' PT60S Earth.Magnetosphere.Main Earth.Magnetosphere.RadiationBelt Earth.NearSurface.Plasmasphere Flags=-1.0e+31. The content of the LANL SOPA cdfs at CDAWeb has not been fully documented. 60 sec Geosynchronous LANL Geosynchronous Orbit Particle Analyzer SOPA LANL 080 SOPA Time of proton collection Epoch This is the time of the data collection time and date. Universal Time in data cell: day, month, year hour, min, seconds. Ex: '01-Jan-1981 00:00:00.000'. Interval centered time tag ms '1.0e-3>s' Epoch 01-08-1992T00:00:00.000 31-12-2020T23:59:59.000 -1.0000e+031 Temporal LANL 080 SOPA Time of proton collection Time_PB5 This is the time of the measurement. Time in the format: year, day of year, and second of the same day. Interval centered time tag Epoch 3 Date and Time Vector. Year 1 Years 1992 2020 Day of Year 2 Days 0 366 milliseconds of the day 3 ms 0 86399000 -2147483648 Temporal LANL 080 SOPA Spacecraft Position, Polar Geographic Coordinates sc_pos Spacecraft position, polar geographic coordinates (radius,lat,long). Spherical GEO 3 Polar Geographic Coordinates. Latitude DirectionAngle.ElevationAngle 1 degrees -90 90 Longitude DirectionAngle.AzimuthAngle 2 degrees -180 180 Radius Magnitude 3 EarthRadii 0 10 -1.0000e+031 Vector Positional LANL 080 SOPA Temperature Electrons spa_e_temp Temperature of electrons in two energy bands (50 keV to 225 keV and 315 keV to 1.5 MeV). 0.0 50.0 2 Low Energy Band (50 keV to 225 keV) Component.I 1 keV 0.0 50.0 High Energy Band (315 keV to 1.5 MeV) Component.J 2 keV 0.0 50.0 -1.0000e+031 Electron Array Temperature 50 1500 keV/e LANL 080 SOPA Temperature Protons spa_p_temp Temperature of protons in two energy bands (50 keV to 400 keV and 1.2 MeV to 5 MeV). 0.0 50.0 2 Low Energy Band (50 keV to 400 keV) Component.I 1 keV 0.0 50.0 High Energy Band (1.2 MeV to 5 MeV) Component.J 2 keV 0.0 50.0 -1.0000e+031 Proton Array Temperature 50 5000 keV/e LANL 080 SOPA Density of Electrons spa_e_dens Density of electrons in two energy bands (50 keV to 225 keV and 315 keV to 1.5 MeV). 1.0e6>m^-3 0.01 5000.0 2 Low Energy Band Component.I 1 cm^-3 0.0 5000.0 High Energy Band Component.J 2 cm^-3 0.0 5000.0 -1.0000e+031 Electron Array NumberDensity 50 5000 keV/e LANL 080 SOPA Density of Protons spa_p_dens Density of protons in two energy bands (50 keV to 400 keV and 1.2 MeV to 5 MeV). 1.0e6>m^-3 0.0 5000.0 2 Low Energy Band Component.I 1 cm^-3 0.0 5000.0 High Energy Band Component.J 2 cm^-3 0.0 5000.0 -1.0000e+031 Proton Array NumberDensity 50 5000 keV/e LANL 080 SOPA Alpha Flux spa_a_flux Alpha particle flux (~0.9 MeV to ~1.3 Mev). alpha/(keV-cm2-ster-sec) 0.01 50000.0 0.01 50000.0 -1.0000e+031 AlphaParticle Scalar NumberFlux 0.9 1.3 MeV LANL 080 SOPA Heavy Particle Flux spa_hvy_flx Heavy particle flux (~5 MeV to ~15 MeV includes carbon, nitrogen, and oxygen). It is not clear if this flux is limited to carbon, nitrogen, and oxygen or if it includes more. #/(keV-cm2-ster-sec) 0.001 500.0 0.0 500.0 -1.0000e+031 Ion Scalar NumberFlux 5 15 MeV LANL 080 SOPA Electron Flux spa_e_flx Electron flux (~50 keV to ~1.5 MeV). #/(keV-cm2-ster-sec) 0.1 5000.0 0.1 50000.0 -1.0000e+031 Electron Scalar NumberFlux 50 1500 keV LANL 080 SOPA Proton Flux spa_p_flx Proton flux (~50 keV to ~5 MeV). #/(keV-cm2-ster-sec) 0.01 5000.0 0.01 50000.0 -1.0000e+031 Proton Scalar NumberFlux 50 5000 keV LANL 080 SOPA Electron Energy ENERGY_E Electron energy in two energy bands (50 keV to 225 keV and 315 keV to 1.5 MeV). 2 Low Energy Band in units of keV Component.I 1 keV 50 225 High Energy Band in units of keV Component.J 2 keV 315 1500.0 -1.0000e+031 Electron Array Energy 50 1500 keV/e LANL 080 SOPA Proton Energy ENERGY_P Proton energy in two energy bands (50 keV to 400 keV and 1.2 MeV to 5 MeV). 2 Low Energy Band in units of keV Component.I 1 keV 50 400 High Energy Band in units of keV Component.J 2 keV 1200 5000.0 -1.0000e+031 Proton Array Energy 50 5000 keV/e LANL 080 SOPA Electron Energy Range Low E_MINUS Electron energy range lower uncertainty for the electron energy in the two energy bands (50 keV to 225 keV and 315 keV to 1.5 MeV). 2 Low Energy Band in units of keV Component.I 1 keV 50 225 High Energy Band in units of keV Component.J 2 keV 315 1500.0 -1.0000e+031 Electron Array Energy 50 1500 keV/e LANL 080 SOPA Electron Energy Range High E_MINUS Electron energy range higher uncertainty for the electron energy in the two energy bands (50 keV to 225 keV and 315 keV to 1.5 MeV). 2 Low Energy Band in units of keV Component.I 1 keV 50 225 High Energy Band in units of keV Component.J 2 keV 315 1500.0 -1.0000e+031 Electron Array Energy 50 1500 keV/e LANL 080 SOPA Proton Energy Range Low ENERGY_P Proton energy range lower uncertainty for the proton energy in the two energy bands (50 keV to 400 keV and 1.2 MeV to 5 MeV). 2 Low Energy Band in units of keV Component.I 1 keV 50 400 High Energy Band in units of keV Component.J 2 keV 1200 5000.0 -1.0000e+031 Proton Array Energy 50 5000 keV/e LANL 080 SOPA Proton Energy Range High ENERGY_P Proton energy range higher uncertainty for the proton energy in the two energy bands (50 keV to 400 keV and 1.2 MeV to 5 MeV). 2 Low Energy Band in units of keV Component.I 1 keV 50 400 High Energy Band in units of keV Component.J 2 keV 1200 5000.0 -1.0000e+031 Proton Array Energy 50 5000 keV/e LANL 080 SOPA Electron Data Quality Flag E_DQF Electron data quality flag. Data quality flag: Unusable = -1, Suspect = 0, Good = 1. 2 Low Energy Band Component.I 1 -1 1 High Energy Band Component.J 2 -1 1 -2147483648 Scalar Other LANL 080 SOPA Proton Data Quality Flag P_DQF Proton data quality flag. Data quality flag: Unusable = -1, Suspect = 0, Good = 1. 2 Low Energy Band Component.I 1 -1 1 High Energy Band Component.J 2 -1 1 -2147483648 Scalar Other LANL 080 SOPA Electron Temperature Data Quality Flag ET_DQF Electron temperature data quality flag. Data quality flag: Unusable = -1, Suspect = 0, Good = 1. PT60S 2 Low Energy Band Component.I 1 -1 1 High Energy Band Component.J 2 -1 1 -2147483648 Scalar Other LANL 080 SOPA Electron Density Data Quality Flag ED_DQF Electron density data quality flag. Data quality flag: Unusable = -1, Suspect = 0, Good = 1. 2 Low Energy Band Component.I 1 -1 1 High Energy Band Component.J 2 -1 1 -2147483648 Scalar Other LANL 080 SOPA Proton Temperature Data Quality Flag PT_DQF Proton temperature data quality flag. Data quality flag: Unusable = -1, Suspect = 0, Good = 1. 2 Low Energy Band Component.I 1 -1 1 High Energy Band Component.J 2 -1 1 -2147483648 Scalar Other LANL 080 SOPA Proton Density Data Quality Flag PD_DQF Proton density data quality flag. Data quality flag: Unusable = -1, Suspect = 0, Good = 1. 2 Low Energy Band Component.I 1 -1 1 High Energy Band Component.J 2 -1 1 -2147483648 Scalar Other LANL 080 SOPA Alpha Data Quality Flag A_DQF Alpha data quality flag. Data quality flag: Unusable = -1, Suspect = 0, Good = 1. 2 Low Energy Band Component.I 1 -1 1 High Energy Band Component.J 2 -1 1 -2147483648 Scalar Other LANL 080 SOPA CNO Flux Data Quality Flag CNO_DQF Heavy ion (CNO) data quality flag. Data quality flag: Unusable = -1, Suspect = 0, Good = 1. 2 Low Energy Band Component.I 1 -1 1 High Energy Band Component.J 2 -1 1 -2147483648 Scalar Other LANL 080 SOPA Post Gap Flag gap_flag Data gap flag. Data gap flag: 0 = no gap in data; 1 = data for previous gap not available. PT60S Gap Flag 0.0 20.0 0.0 20.0 -2147483648 Scalar Other