<_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/omni2_h0_mrg1hr_00000000_v01.json (from all.xml) spase://NASA/NumericalData/OMNI/PT1H <_ResourceID>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/ResourceID.json OMNI Combined, Definitive, Hourly IMF and Plasma Data, and Energetic Proton Fluxes, Time-Shifted to the Nose of the Earth's Bow Shock, plus Solar and Magnetic Indices <_ResourceName>Source: Master/CDFglobalAttributes/Logical_source_description omni2_h0_mrg1hr <_AlternateName>Source: Master/CDFglobalAttributes/Logical_source Hourly averaged definitive multispacecraft interplanetary parameters dataOMNI Data Documentation: https://omniweb.gsfc.nasa.gov/html/ow_data.htmlAdditional data access options available at SPDF's OMNIWeb Service: https://omniweb.gsfc.nasa.gov/ow.htmlCOHOWeb-formatted OMNI_M merged magnetic field and plasma data http://cohoweb.gsfc.nasa.gov/Recent OMNI 1-HR Updates News: https://omniweb.gsfc.nasa.gov/html/ow_news.htmlData variables with 1800 in their names use time stamps on the half-hour (1800 seconds) to reflect the mid-point of the hourly data, and are tied to the EPOCH_1800 time variables <_Description>Source: Master/CDFglobalAttributes/TEXT NSSDC <_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/ OMNI documentation at OMNIWeb https://omniweb.gsfc.nasa.gov/html/ow_data.html Extensive OMNI documentation pages <_Note>URL also in all.xml, master. Using InformationURL.json. https://omniweb.gsfc.nasa.gov/ow.html SPDF's OMNIWeb Service Additional data access options available at <_Note>URL also in all.xml. Using master. http://cohoweb.gsfc.nasa.gov/ COHOWeb-formatted OMNI_M merged magnetic field and plasma data <_Note>URL also in all.xml. Using master. https://omniweb.gsfc.nasa.gov/html/ow_news.html Release Notes Recent 1-hr OMNI Updates <_Note>URL also in all.xml. Using master. Near-Earth Heliosphere Data (OMNI) Public <_Caveats>Source: Master/CDFglobalAttributes/Rules_of_use https://doi.org/10.48322/1shr-ht18 <_DOI>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/DOI.json <_AccessInformation>Source: https://github.com/rweigel/cdawmeta-spase/blob/main/AccessInformation.json 1963-01-01T00:00:00Z 2026-07-10T11:00:00Z <_TemporalDescription>Generated from all.xml/@timerange_start and all.xml/@timerange_stop <_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/OMNI spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: J.H. King, N. Papitashvili at ADNET, NASA GSFC HTTPS from SPDF https://cdaweb.gsfc.nasa.gov/pub/data/omni/omni_cdaweb/hourly In CDF via HTTP from CDAWeb omni2_h0_mrg1hr_%Y%m%d_%Q.cdf %Y OMNI2_H0_MRG1HR CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: J.H. King, N. Papitashvili at ADNET, NASA GSFC FTPS from SPDF ftps://cdaweb.gsfc.nasa.gov/pub/data/omni/omni_cdaweb/hourly In CDF via HTTP from CDAWeb omni2_h0_mrg1hr_%Y%m%d_%Q.cdf %Y OMNI2_H0_MRG1HR CDF spase://SMWG/Repository/NASA/GSFC/SPDF Online Open SPDF/CDAWeb. Please also acknowledge the data producer: J.H. King, N. Papitashvili at ADNET, NASA GSFC 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. OMNI2_H0_MRG1HR 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: J.H. King, N. Papitashvili at ADNET, NASA GSFC CDAWeb Web Service user interface https://cdaweb.gsfc.nasa.gov/cgi-bin/eval2.cgi?index=sp_phys&dataset=OMNI2_H0_MRG1HR OMNI2_H0_MRG1HR 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: J.H. King, N. Papitashvili at ADNET, NASA GSFC CDAWeb Python Script https://cdaweb.gsfc.nasa.gov/WS/cdasr/1/dataviews/sp_phys/datasets/OMNI2_H0_MRG1HR/clientLibraryExample/ OMNI2_H0_MRG1HR 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: J.H. King, N. Papitashvili at ADNET, NASA GSFC 4D Orbit Viewer https://sscweb.gsfc.nasa.gov/4dorbit/?sc=OMNI2_H0_MRG1HR OMNI2_H0_MRG1HR 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: J.H. King, N. Papitashvili at ADNET, NASA GSFC CDAWeb HAPI Server https://hapi-server.org/servers/#server=CDAWeb&dataset=OMNI2_H0_MRG1HR OMNI2_H0_MRG1HR 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: J.H. King, N. Papitashvili at ADNET, NASA GSFC CDAWeb HAPI Script in Multiple Languages https://hapi-server.org/servers/#server=CDAWeb&dataset=OMNI2_H0_MRG1HR&return=script OMNI2_H0_MRG1HR 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: J.H. King, N. Papitashvili at ADNET, NASA GSFC HAPI visualizations https://hapi-server.org/plot/?server=https://cdaweb.gsfc.nasa.gov/hapi&dataset=OMNI2_H0_MRG1HR&format=gallery OMNI2_H0_MRG1HR Web Service that generates plots. See https://hapi-server.org/plot/ for the API. PNG PDF SVG Merged 1 Hour Interplantary OMNI data (from all.xml/observatory/description/@short) IMF, Plasma, Indices, Energetic Proton Flux (from all.xml/instrument/description/@short) Space Physics (from Master/CDFglobalAttributes/Discipline) Interplanetary Studies (from Master/CDFglobalAttributes/Discipline) OMNI (1AU IP Data) (from Master/CDFglobalAttributes/Source_name) Merged 1 Hour Interplantary OMNI data (from Master/CDFglobalAttributes/Source_name) H0 (from Master/CDFglobalAttributes/Data_type) Definitive Hourly (from Master/CDFglobalAttributes/Data_type) IMF, Plasma, Indices, Energetic Proton Flux (from all.xml/instrument/@ID) Heliosphere.NearEarth ThermalPlasma MagneticField EnergeticParticles ActivityIndex Epoch Time Epoch CATDESC: 'Epoch Time'. 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.' DD-MMM-YYYY_hr:mm Scalar Temporal Year YR Master CDF CATDESC: 'Year'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' -2147483648 Decimal Day (JAN 1=1) Day Master CDF CATDESC: 'Decimal Day'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' -2147483648 Decimal Hour HR Master CDF CATDESC: 'Decimal Hour'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch.' -2147483648 Time_at_center_of_hour Epoch_1800 CATDESC: 'Time_at_center_of_hour'. 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.' DD-MMM-YYYY_hr:mm Scalar Temporal Bartels Rotation Number Rot1800 Master CDF CATDESC: 'Bartels Rotation Number (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 9999 ID for IMF spacecraft IMF1800 Master CDF CATDESC: 'OMNI ID code for the source spacecraft for time-shifted IMF values (see OMNI documentation link for codes) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 99 ID for SW Plasma spacecraft PLS1800 Master CDF CATDESC: 'OMNI ID code for the source spacecraft for time-shifted IP plasma values (see OMNI documentation link for codes) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 99 # fine time scale IMF points IMF_PTS1800 Master CDF CATDESC: '# fine time scale IMF points (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 999 # fine time scale plasma points PLS_PTS1800 Master CDF CATDESC: '# fine time scale plasma points (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 999 Field Magnitude Avg. ABS_B1800 Master CDF CATDESC: '1AU IP Average B Field Magnitude, nT, (last currently-available OMNI B-field data Jun 23, 2026) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 999.9 Magnitude of avg. field vector F1800 Master CDF CATDESC: '1AU IP Magnitude of average field vector (nT) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 999.9 Lat. Angle of AV. THETA_AV1800 Master CDF CATDESC: '1AU IP Latitude/Theta of average B vector (deg) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' Deg 999.9 Long. Angle of AV. PHI_AV1800 Master CDF CATDESC: '1AU IP Longitude/Phi of average B vector (deg) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' Deg 999.9 Bx, GSE BX_GSE1800 Master CDF CATDESC: '1AU IP Bx (nT), GSE (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 999.9 By, GSE BY_GSE1800 Master CDF CATDESC: '1AU IP By (nT), GSE (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 999.9 Bz, GSE BZ_GSE1800 Master CDF CATDESC: '1AU IP Bz (nT), GSE (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 999.9 By, GSM BY_GSM1800 Master CDF CATDESC: '1AU IP By (nT), GSM (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 999.9 Bz, GSM BZ_GSM1800 Master CDF CATDESC: '1AU IP Bz (nT), GSM (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 999.9 sigma-ABS_B SIGMA-ABS_B1800 Master CDF CATDESC: 'RMS deviation of average B magnitude (nT) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 999.9 sigma-B SIGMA-B1800 Master CDF CATDESC: 'RMS deviation of magnitude of the average vector field (nT) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 999.9 sigma-Bx SIGMA-Bx1800 Master CDF CATDESC: 'RMS deviation Bx (nT), GSE (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 999.9 sigma-By SIGMA-By1800 Master CDF CATDESC: 'RMS deviation By (nT), GSE (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 999.9 sigma-Bz SIGMA-Bz1800 Master CDF CATDESC: 'RMS deviation Bz (nT), GSE (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 999.9 Plasma temperature T1800 Master CDF CATDESC: '1AU IP Plasma Temperature, deg K, (last currently-available OMNI plasma data Jul 06, 2026) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' Deg K 9999999.0 Ion density N1800 Master CDF CATDESC: '1AU IP Ion number density (per cc) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' Per cc 999.9 Flow speed V1800 Master CDF CATDESC: '1AU IP plasma flow speed (km/s) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' Km/s 9999.0 Flow longitude PHI-V1800 Master CDF CATDESC: '1AU IP plasma flow direction longitude (deg), phi (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' Deg 999.9 Flow latitude THETA-V1800 Master CDF CATDESC: '1AU IP plasma flow direction latitude (deg), theta (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' Deg 999.9 Alpha/prot. ratio Ratio1800 Master CDF CATDESC: '1AU IP Alpha/proton ratio (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 9.999 Flow pressure Pressure1800 Master CDF CATDESC: '1AU IP Flow pressure (nPa) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nPa 99.99 sigma-T SIGMA-T1800 Master CDF CATDESC: 'RMS deviation of plasma temperature (deg k) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' Deg K 9999999.0 sigma-n SIGMA-N1800 Master CDF CATDESC: 'RMS deviation of ion number density (per cc) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' Per cc 999.9 sigma-V SIGMA-V1800 Master CDF CATDESC: 'RMS deviation in plasma flow velocity (km/s) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' Km/s 9999.0 sigma-phi-V SIGMA-PHI-V1800 Master CDF CATDESC: 'RMS deviation in plasma flow direction longitude (deg), phi (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' Deg 999.9 sigma-theta-V SIGMA-THETA-V1800 Master CDF CATDESC: 'RMS deviation in plasma flow direction latitude (deg), theta (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' Deg 999.9 sigma-ratio SIGMA-ratio1800 Master CDF CATDESC: 'RMS deviation alpha/proton ratio (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 9.999 Electric Field E1800 Master CDF CATDESC: '1AU IP Electric Field (mV/m) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' mV/m 999.99 Plasma beta Beta1800 Master CDF CATDESC: '1AU IP Plasma beta (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 999.99 Alfen mach number Mach_num1800 Master CDF CATDESC: '1AU IP Alfven mach number (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 999.9 Magnetosonic mach number Mgs_mach_num1800 Master CDF CATDESC: '1AU IP Magnetosonic mach number (half-hour midpoint)'. Master CDF VAR_NOTES: 'Derived parameters are obtained from the following equations. Magnetosonic Mach number = V/Magnetosonic_speedMagnetosonic speed = [(sound speed)**2 + (Alfv speed)**2]**0.5The Alfven speed = 20. * B / N**0.5The sound speed = 0.12 * [T + 1.28*10**5]**0.5'. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 99.9 PROT Flux > 1 MEV PR-FLX_11800 Master CDF CATDESC: '1AU Proton flux > 1 MeV, 1/(SQcm-ster-s), (last currently-available OMNI proton fluxes Mar 04, 2020) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 1/(SQcm-ster-s) 999999.99 PROT Flux > 2 MEV PR-FLX_21800 Master CDF CATDESC: '1AU Proton flux >2 MeV (1/(SQcm-ster-s)) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 1/(SQcm-ster-s) 99999.99 PROT Flux > 4 MEV PR-FLX_41800 Master CDF CATDESC: '1AU Proton flux >4 MeV (1/(SQcm-ster-s)) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 1/(SQcm-ster-s) 99999.99 PROT Flux >10 MEV PR-FLX_101800 Master CDF CATDESC: '1AU Proton flux >10 MeV (1/(SQcm-ster-s)) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 1/(SQcm-ster-s) 99999.99 PROT Flux >30 MEV PR-FLX_301800 Master CDF CATDESC: '1AU Proton flux >30 MeV (1/(SQcm-ster-s)) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 1/(SQcm-ster-s) 99999.99 PROT Flux >60 MEV PR-FLX_601800 Master CDF CATDESC: '1AU Proton flux >60 MeV (1/(SQcm-ster-s)) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 1/(SQcm-ster-s) 99999.99 M'SPH Flux Flag MFLX1800 Master CDF CATDESC: 'Magnetospheric Contamination of 1AU Proton Flux code (6=No,<=5 see OMNI documentation) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' (6=No,1=All,-1=n/a) 0 Sunspot number v2 (daily) R1800 Master CDF CATDESC: 'Daily sunspot number V2, from http://sidc.oma.be/silso/datafiles/ (1963/001-2026/181) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 999 F10.7 index (daily) F10_INDEX1800 Master CDF CATDESC: 'F10.7 - Daily 10.7 cm solar radio flux, units: 10**(-22) Joules/second/square-meter/Hertz, from NGDC (1963/001-2026/190), (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 999.9 Kp*10 (3-h) KP1800 Master CDF CATDESC: 'Kp - 3-hour Kp*10 (Kp=1-,1,1+ corresponds to 7,10,13), fromNGDC (1963/001-2026/190) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 99 Dst Index (1-h) DST1800 Master CDF CATDESC: 'Dst - 1-hour Dst index (1963/001-2014/366), Provisional Dst (2021/001-2026/120), Quick-look Dst (2026/121-2026/190), from WDC Kyoto (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 99999 AE-index (1-h) AE1800 Master CDF CATDESC: 'AE - 1-hour AE-index,from WDC Kyoto (1963/001-1988/182), Provisional (1990/001-2020/365), from WDC Kyoto (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 9999 ap-index (3-h) AP_INDEX1800 Master CDF CATDESC: 'ap - 3-hour ap-index (1963/001-2026/190), from NGDC (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 999 AL-index (1-h) AL_INDEX1800 Master CDF CATDESC: 'AL - 1-hour AL-index, from WDC Kyoto (1963/001-1988/182), Provisional (1990/001-2018/059), from WDC Kyoto (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 99999 AU-index (1-h) AU_INDEX1800 Master CDF CATDESC: 'AU - 1-hour AU-index,from WDC Kyoto (1963/001-1988/182), Provisional (1990/001-2018/059), from WDC Kyoto (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' nT 99999 PC(N) index PC_N_INDEX1800 Master CDF CATDESC: 'PC - 1-hour Polar Cap index (North, Thule station), from NGDC (Final 1975/001-2024/365) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 999.9 Solar Lyman-alpha Solar_Lyman_alpha1800 Master CDF CATDESC: 'Solar Lyman-alpha (1963/001-2026/189) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' W/m^2 0.999999 Proton Quasy Invariant QI Proton_QI1800 Master CDF CATDESC: 'Solar wind (magnetic energy density)/(kinetic energy density) (half-hour midpoint)'. Master CDF VAR_NOTES: ''. Notes not in Master CDF: 'The time index (the ISTP DEPEND_0 variable) for this parameter is Epoch_1800.' 9.9999