<_Note>Nodes prefixed with a _ are not valid SPASE, but are included for debugging. Values prefixed with a x_ are not valid SPASE but may considered for addition for completeness. 2.6.1 <_MasterURL>https://cdaweb.gsfc.nasa.gov/pub/software/cdawlib/0JSONS/sta_l3_wav_lfr_00000000_v01.json (from all.xml) spase://NASA/NumericalData/STEREO-A/SWAVES/sta_l3_wav_lfr/PT15S <_ResourceID>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json STEREO-A/WAVES/LFR Data <_ResourceName>Source: Master/CDFglobalAttributes/Logical_source_description sta_l3_wav_lfr <_AlternateName>Source: Master/CDFglobalAttributes/Logical_source This file includes radio measurements recorded by the STEREO-A/WAVES instrument. Time resolution varies with instrument mode ranging from 15 seconds to 1 minute. <_Description>Source: Master/CDFglobalAttributes/TEXT Please acknowledge the STEREO/Waves team. <_Acknowledgement>Source: Master/CDFglobalAttributes/Acknowledgement <_Rights> SPDX Creative Commons Zero v1.0 Universal https://spdx.org/licenses/CC0-1.0.html https://spdx.org/licenses/ https://link.springer.com/content/pdf/10.1007/s11214-007-9298-8.pdf STEREO/WAVES instrument paper Instrument details: <_Note>URL also in all.xml. Using master. STEREO/WAVES instrument paper https://doi.org/10.1007/s11214-007-9298-8 Bougeret, J.L., Goetz, K., Kaiser, M.L. et al. S/WAVES: The Radio and Plasma Wave Investigation on the STEREO Mission. Space Sci Rev 136, 487–528 (2008). en <_Note>Source: InformationURL.json Details on derivation and meaning of parameters in dataset https://doi.org/10.1007/s11214-007-9255-6 Cecconi, B., Bonnin, X., Hoang, S. et al. STEREO/Waves Goniopolarimetry. Space Sci Rev 136, 549–563 (2008). en <_Note>Source: InformationURL.json STEREO/WAVES Dataset Angular Width of Sources https://doi.org/10.1029/2011JA017333 Krupar, V., O. Santolik, B. Cecconi, M. Maksimovic, X. Bonnin, M. Panchenko, and A. Zaslavsky (2012), Goniopolarimetric inversion using SVD: An application to type III radio bursts observed by STEREO, J. Geophys. Res., 117, A06101. en <_Note>Source: InformationURL.json Data provided are publicly available. If used in presentations or publications, please acknowledge STEREO/Waves Investigation (M. Maksimovic, PIs). Please read carefully the caveats attached to the data. For reporting purposes, we request bibliography information for any publication, etc., using these data. Please send information on the use of this data to: M. Maksimovic (PI). <_Caveats>Source: Master/CDFglobalAttributes/Rules_of_use https://doi.org/10.48322/x8s7-j459 <_DOI>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/DOI.json <_AccessInformation>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/AccessInformation.json 2006-10-28T00:00:06Z 2026-06-22T23:59:55Z <_TemporalDescription>Generated from all.xml/@timerange_start and all.xml/@timerange_stop PT24.679005S <_Cadence>Counts based on variable 'Epoch' in https://cdaweb.gsfc.nasa.gov/sp_phys/data/stereo/ahead/l3/waves/lfr/2006/sta_l3_wav_lfr_20061028_v01.cdf. The most common cadence, 24679005146 [ns] = PT24.679005S, occurred for 5.5934% of the 189 timesteps. <_ObservedRegion>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ObservedRegion.json <_ProcessingLevel>Processing level is not available in the master file; it should be there instead of, say, https://github.com/rweigel/cdawmeta-spase/blob/main/ProcessingLevel.json spase://SMWG/Instrument/STEREO-A/SWAVES spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Milan Maksimovic (milan.maksimovic@obspm.fr) and Stuart D. Bale (bale@berkeley.edu) at LESIA, Observatoire de Paris-PSL, CNRS and UC Berkeley Space Sciences Laboratory HTTPS from SPDF https://cdaweb.gsfc.nasa.gov/pub/data/stereo/ahead/l3/waves/lfr-direction-finding In CDF via HTTP from CDAWeb sta_l3_wav_lfr_%Y%m%d_%Q.cdf %Y STA_L3_WAV_LFR CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Milan Maksimovic (milan.maksimovic@obspm.fr) and Stuart D. Bale (bale@berkeley.edu) at LESIA, Observatoire de Paris-PSL, CNRS and UC Berkeley Space Sciences Laboratory FTPS from SPDF ftps://cdaweb.gsfc.nasa.gov/pub/data/stereo/ahead/l3/waves/lfr-direction-finding In CDF via HTTP from CDAWeb sta_l3_wav_lfr_%Y%m%d_%Q.cdf %Y STA_L3_WAV_LFR CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Milan Maksimovic (milan.maksimovic@obspm.fr) and Stuart D. Bale (bale@berkeley.edu) at LESIA, Observatoire de Paris-PSL, CNRS and UC Berkeley Space Sciences Laboratory CDAWeb Web Service https://cdaweb.gsfc.nasa.gov/WebServices/ Instructions for using web services to access this dataset an other other metadata and options for CDAWeb datasets. The ProductKey here corresponds to the query parameter 'dataset' in the tables at the AccessURL in a dataset-related request can be made. STA_L3_WAV_LFR CDF CSV GIF NetCDF PNG PS PDF XML x_Script.IDL x_Script.Python Text.ASCII x_WAV spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Milan Maksimovic (milan.maksimovic@obspm.fr) and Stuart D. Bale (bale@berkeley.edu) at LESIA, Observatoire de Paris-PSL, CNRS and UC Berkeley Space Sciences Laboratory CDAWeb Web Service user interface https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?index=sp_phys&dataset=STA_L3_WAV_LFR STA_L3_WAV_LFR Web service user interface for this product. CDF GIF PDF Text.ASCII x_WAV spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: Milan Maksimovic (milan.maksimovic@obspm.fr) and Stuart D. Bale (bale@berkeley.edu) at LESIA, Observatoire de Paris-PSL, CNRS and UC Berkeley Space Sciences Laboratory CDAWeb Python Script https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/STA_L3_WAV_LFR/clientLibraryExample/ STA_L3_WAV_LFR Web service that generates a Python script to access this product. x_Script.IDL x_Script.Python spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/SSCWeb. Please also acknowledge the data producer: Milan Maksimovic (milan.maksimovic@obspm.fr) and Stuart D. Bale (bale@berkeley.edu) at LESIA, Observatoire de Paris-PSL, CNRS and UC Berkeley Space Sciences Laboratory 4D Orbit Viewer https://sscweb.gsfc.nasa.gov/4dorbit/?sc=STA_L3_WAV_LFR STA_L3_WAV_LFR Web Service to this product. HTML spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Milan Maksimovic (milan.maksimovic@obspm.fr) and Stuart D. Bale (bale@berkeley.edu) at LESIA, Observatoire de Paris-PSL, CNRS and UC Berkeley Space Sciences Laboratory CDAWeb HAPI Server https://hapi-server.org/servers/#server=CDAWeb&dataset=STA_L3_WAV_LFR STA_L3_WAV_LFR Web Service to this product using the HAPI interface. CSV JSON Binary spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Milan Maksimovic (milan.maksimovic@obspm.fr) and Stuart D. Bale (bale@berkeley.edu) at LESIA, Observatoire de Paris-PSL, CNRS and UC Berkeley Space Sciences Laboratory CDAWeb HAPI Script in Multiple Languages https://hapi-server.org/servers/#server=CDAWeb&dataset=STA_L3_WAV_LFR&return=script STA_L3_WAV_LFR Web Service user interface that generates scripts in IDL, Javascript, MATLAB, Python, Autoplot, curl, wget to access this product. See https://hapi-server.org/servers/api for the API. x_Script.IDL x_Script.Javascript x_Script.MATLAB x_Script.Python x_Script.Autoplot x_Script.curl x_Script.wget spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb and the HAPI project. Please also acknowledge the data producer: Milan Maksimovic (milan.maksimovic@obspm.fr) and Stuart D. Bale (bale@berkeley.edu) at LESIA, Observatoire de Paris-PSL, CNRS and UC Berkeley Space Sciences Laboratory HAPI visualizations https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=STA_L3_WAV_LFR&format=gallery STA_L3_WAV_LFR Web Service that generates plots. See https://hapi-server.org/plot/ for the API. PNG PDF SVG STEREO (Solar TErrestrial RElations Observatory) Ahead (from all.xml/observatory/description/@short) STEREO-A/WAVES Low Frequency Receiver (from all.xml/instrument/description/@short) Solar Physics (from Master/CDFglobalAttributes/Discipline) Heliospheric Physics (from Master/CDFglobalAttributes/Discipline) Space Physics (from Master/CDFglobalAttributes/Discipline) Interplanetary Studies (from Master/CDFglobalAttributes/Discipline) STA (from Master/CDFglobalAttributes/Source_name) STEREO (Solar TErrestrial RElations Observatory) Ahead (from Master/CDFglobalAttributes/Source_name) L3 (from Master/CDFglobalAttributes/Data_type) Level 3 (from Master/CDFglobalAttributes/Data_type) WAV_LFR (from all.xml/instrument/@ID) Heliosphere.Remote1AU ElectricField Waves Epoch (Time) Epoch CATDESC: 'Epoch encoded as Terrestrial Time on rotating Earth geoid, ns since J2000'. Notes not in Master CDF: 'The units are the units in CDF files. For other web services, this variable is may be represented as a time string.' ns Scalar Temporal Antenna Configuration SENSOR_CONFIG Master CDF CATDESC: 'Dual channel receiver antenna configuration'. Master CDF VAR_NOTES: '00 (Off/Off) 10 (+Ex/Off) 20 (-Ey/Off) 30 (Ex-Ey/Off) 01 (Off/+Ez) 02 (Off/+Ey) 03 (Off/Ez-Ey) 11 (+Ex/+Ez) 12 (+Ex/-Ey) 13 (+Ex/Ez-Ey) 21 (-Ey/+Ez) 31 (Ex-Ey/+Ez) -22 (-Ey/-Ey) -32 (Ex-Ey/-Ey) -23 (-Ey/Ez-Ey) -33 (Ex-Ey/Ez-Ey)'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' -128 48 3 Time Offset TIMING Master CDF CATDESC: 'Temporal offset of each antenna channel configuration'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' s -1e+31 48 3 Power Spectral Density PSD_V2 Master CDF CATDESC: 'Power spectral density before 1% background subtraction and antenna calibration'. Master CDF VAR_NOTES: 'Suitable for analysis of weak signals'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' V^2/Hz -1e+31 48 3 2 Power Spectral Density PSD_FLUX Master CDF CATDESC: 'Power spectral density after 1% background subtraction and antenna calibration'. Master CDF VAR_NOTES: 'Suitable for general investigation'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' W/m^2/Hz -1e+31 48 Power Spectral Density PSD_SFU Master CDF CATDESC: 'Power spectral density after 1% background subtraction and antenna calibration in solar radio flux unit normalized to 1 au'. Master CDF VAR_NOTES: 'Suitable for multi-spacecraft investigation'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' sfu -1e+31 48 Stokes I STOKES_I Master CDF CATDESC: 'Radio flux density [Data available after 03-Dec-2012]'. Master CDF VAR_NOTES: 'Details on polarization parameters can be found here: https://doi.org/10.1007/s11214-007-9255-6'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' W/m^2/Hz -1e+31 48 Stokes Q STOKES_Q Master CDF CATDESC: 'Normalized linear polarization [Data available after 03-Dec-2012] '. Master CDF VAR_NOTES: 'Details on polarization parameters can be found here: https://doi.org/10.1007/s11214-007-9255-6'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' -1e+31 48 Stokes U STOKES_U Master CDF CATDESC: 'Normalized linear polarization [Data available after 03-Dec-2012] '. Master CDF VAR_NOTES: 'Details on polarization parameters can be found here: https://doi.org/10.1007/s11214-007-9255-6'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' -1e+31 48 Stokes V STOKES_V Master CDF CATDESC: 'Normalized circular polarization [Data available after 03-Dec-2012] '. Master CDF VAR_NOTES: 'Details on polarization parameters can be found here: https://doi.org/10.1007/s11214-007-9255-6'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' -1e+31 48 Source Size SOURCE_SIZE Master CDF CATDESC: 'The angular half aperture of the source as seen by a spacecraft (uniform profile) [Data available after 03-Dec-2012] '. Master CDF VAR_NOTES: 'Based on https://doi.org/10.1029/2011JA017333'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg -1e+31 48 Colatitude WAVE_COLATITUDE_RTN Master CDF CATDESC: 'Wave vector colatitude in the Radial-Tangential-Normal (RTN) system [Data available after 03-Dec-2012] '. Master CDF VAR_NOTES: 'X axis points from the spacecraft center to Sun, and the Y axis is the cross product of the solar rotational axis and X, and lies in the solar equatorial plane (towards the West limb).'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg -1e+31 48 Azimuth WAVE_AZIMUTH_RTN Master CDF CATDESC: 'Wave vector azimuth in the Radial-Tangential-Normal (RTN) system [Data available after 03-Dec-2012] '. Master CDF VAR_NOTES: 'X axis points from the spacecraft center to Sun, and the Y axis is the cross product of the solar rotational axis and X, and lies in the solar equatorial plane (towards the West limb).'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg -1e+31 48 Colatitude WAVE_COLATITUDE_HCI Master CDF CATDESC: 'Wave vector colatitude in the Heliocentric Inertial (HCI) system [Data available after 03-Dec-2012] '. Master CDF VAR_NOTES: 'Z is the solar north rotational axis, and X is the solar ascending node on the J2000 ecliptic.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg -1e+31 48 Azimuth WAVE_AZIMUTH_HCI Master CDF CATDESC: 'Wave vector azimuth in the Heliocentric Inertial (HCI) system [Data available after 03-Dec-2012] '. Master CDF VAR_NOTES: 'Z is the solar north rotational axis, and X is the solar ascending node on the J2000 ecliptic.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg -1e+31 48 Colatitude WAVE_COLATITUDE_HEE Master CDF CATDESC: 'Wave vector colatitude in the Heliocentric Earth Ecliptic (HEE) system [Data available after 03-Dec-2012]'. Master CDF VAR_NOTES: 'X is the Sun-Earth line, and Z is the north pole for the ecliptic of date.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg -1e+31 48 Azimuth WAVE_AZIMUTH_HEE Master CDF CATDESC: 'Wave vector azimuth in the Heliocentric Earth Ecliptic (HEE) system [Data available after 03-Dec-2012]'. Master CDF VAR_NOTES: 'X is the Sun-Earth line, and Z is the north pole for the ecliptic of date.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg -1e+31 48 Colatitude WAVE_COLATITUDE_HEEQ Master CDF CATDESC: 'Wave vector colatitude in the Heliocentric Earth Equatorial (HEEQ) system [Data available after 03-Dec-2012]'. Master CDF VAR_NOTES: 'Z is the solar rotation axis, and X is in the plane containing the Z axis and Earth, at the intersection of the solar central meridian, and the heliographic equator. When converted to longitude and latitude, this is known as Stonyhurst heliographic coordinates.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg -1e+31 48 Azimuth WAVE_AZIMUTH_HEEQ Master CDF CATDESC: 'Wave vector azimuth in the Heliocentric Earth Equatorial (HEEQ) system [Data available after 03-Dec-2012]'. Master CDF VAR_NOTES: 'Z is the solar rotation axis, and X is in the plane containing the Z axis and Earth, at the intersection of the solar central meridian, and the heliographic equator. When converted to longitude and latitude, this is known as Stonyhurst heliographic coordinates.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' deg -1e+31 48 Spacecraft Position in HCI SC_POS_HCI Master CDF CATDESC: 'STEREO spacecraft position in the Heliocentric Inertial (HCI) system in km'. Master CDF VAR_NOTES: 'Also called Ecliptic J2000. Z is the solar north rotational axis, and X is the solar ascending node on the J2000 ecliptic.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' km -1e+31 3 Spacecraft Position in HEE SC_POS_HEE Master CDF CATDESC: 'STEREO spacecraft position in the Heliocentric Earth Ecliptic (HEE) system in km'. Master CDF VAR_NOTES: 'X is the Sun-Earth line, and Z is the north pole for the ecliptic of date.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' km -1e+31 3 Spacecraft Position in HEEQ SC_POS_HEEQ Master CDF CATDESC: 'STEREO spacecraft position in the Heliocentric Earth Equatorial (HEEQ) system in km'. Master CDF VAR_NOTES: 'Z is the solar rotation axis, and X is in the plane containing the Z axis and Earth, at the intersection of the solar central meridian, and the heliographic equator. When converted to longitude and latitude, this is known as Stonyhurst heliographic coordinates.'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' km -1e+31 3