April, 2017: Cassini Magnetic field data for January 2000 through June 2004 have been added to the system.
March 8, 2017: The ACE/SWICS 12-minute Solar Wind data set (AC_H6_SWI) has been reprocessed and replaced in the system to correct an issue for proton speeds lower than 300 km/s; the calculation of the proton densities was sometimes off by an aspect-angle dependent scaling factor.
February 13, 2017: The SPDF web sites (CDAWeb, OMNIWeb, SSCWeb, etc.) are automatically redirecting HTTP requests to use the HTTPS protocol. Please begin using the HTTPS protocol directly as soon as possible and contact us with any problems. FTP data access is not affected at this time. For further information, please read the SPDF HTTPS announcement.
January, 2017: New Leap Second - January 1st, 2017 - CDF User's are strongly encouraged to upgrade to CDF3.6.3 (newly released), see the CDF Website for the details and software.
November 16, 2016: The MMS FPI instrument team has released Version 3 of their Burst and Fast data files which contain new variables and quantities - they have now all been validated and ingested into the system. Please read the FPI version release notes for further information.
October 2016: A new Wind data set (WI_L3_DUSTIMPACT_WAVES) has been added to the system; time range 1995-01-01 to 2016-01-01. Please consult the JGR article for further information.
May 25, 2016: THEMIS L2 FGM data for all probes for the following time ranges have been updated with new calibration data: Probe A, after 2016-02-29, Probe B from 2015-11-18 to 2015-12-03, and after 2016-02-28, Probe C after 2016-02-28, Probe D after 2016-02-17 and Probe E after 2016-02-23.
May 18, 2016: Data from the Wind spacecraft for 2016 March 31 to May 7 have some missing or incorrect bits (1-8%) due to a tape recorder issue (worse before reprocessing). Also there was a 25 hour loss of data on 2016 May 5-6 (126T11:44 to 127T12:51) due to a ground station issue.
April 21, 2016: The MMS Level 2 data products are now available via FTP/HTTP and many data sets are available in the system. The range of publicly available MMS data will continue to be updated approximately weekly.
March 24, 2016: The THEMIS FGM L2 files have been reprocessed at Berkeley with new calibration data and are now available in the system. Affected probes/dates are: Probe A after 2015-09-30, Probe B after 2015-10-20, Probe C after 2015-10-20, Probe D after 2015-12-20 and Probe E after 2015-04-30.
December 11, 2015: The THEMIS Ephemeris "state" files for probes A, D and E, 2013-07-01 onward, have been reprocessed at Berkeley and are now available in the system. The reprocessing refines the eclipse spin model processing, to account for changes in the probes moments of inertia due to propellant consumption.
November 19, 2015: The THEMIS MACS GMAG station data, for the mission, have been reprocessed at Berkeley and are now available in the system. For further information see the GMAG data processing history.
November 2, 2015: The ACE SWICS 2.0 (AC_H3_SW2) files have been reprocessed at the ASC and are now available in the system. Data have even more precision.
October 22, 2015: The ACE EPAM 5-minute (AC_H1_EPM) files for year 2015 have been reprocessed at the ASC and are available in the system. Several unintended data gaps have been corrected.
October 14, 2015: New ACE SWICS 2.0 (AC_H3_SW2) data are available in the system. The SWICS 2.0 dataset consists of time series measurements of the elemental abundance, charge state composition, and kinetic distribution of heavy ions in the solar wind. This data set begins after August 23, 2011, when a radiation and age-induced hardware anomaly altered the instrument's operational state. SWICS 2.0 is a different instrument than SWICS 1.1, with different measurement and statistical properties, so all SWICS users should read the release notes provided by the instrument team.
October 13, 2015: Sunspot Number Index values for 1963-2015 in the OMNI2_H0_MRG1HR data set have been updated to the revised Version 2 definition now used by the Royal Observatory of Belgium (see http://sidc.oma.be/silso/datafiles/). The updated values are generally larger by factors 1.2-1.7 and can be compared in detail using http://omniweb.sci.gsfc.nasa.gov/form/sunspot_v1_v2.html.
August 18, 2015: All of the ACE SWICS H*_SWI datasets have been re-released by the project and reingested into the system. The ACE SWICS 1.1 data set covers launch up to August 23, 2011, when a radiation and age-induced hardware anomaly altered the instrument's operational state. The dataset consists of a re-release of significantly improved time series measurements by ACE/SWICS of the elemental abundance, charge state composition, and kinetic properties of heavy ions in the solar wind. It is a major new version produced with completely redesigned analysis methods to account more rigorously for instrumental and statistical effects (Shearer et al. 2014). Rare elements are now identified more reliably and estimates of statistical error are provided. Please read the release notes for further information.
April 16, 2015: All ACE H2 (1 hour) and H1 (5 minute) EPAM data has been reprocessed at the ACE Science Center and re-ingested into the system. Updates include improvements in geometry-factors and energy-ranges used in calculating fluxes and improvements in calculating the statistical uncertainties.
April 2, 2015: All THEMIS L2 ESA and MOM data, for the entire mission, have been reprocessed at Berkeley and re-ingested into the system. For further information, please consult the THEMIS processing history.
February 6, 2015: Wind 2014 Data Notice - Data between 2014 Oct. 26 and Nov. 7 were lost due to single event upsets in the command and attitude processor. Data from 2014 Nov. 7-21 have incorrect attitude and time values and partial data loss; scientific use is discouraged. SWE operations were fully restored 2014 Dec. 1. Data from 2014 Nov. 6 to 2015 Jan. 30 have transmission errors on the order of 1 bit every 1250 bytes, so use with caution. Wind returned to full operations after 2015 Jan. 30 17:50. See the Wind 2014 Update for further information.
February 6, 2015: THEMIS L2 FGM data were reprocessed at Berkeley for all probes with new calibration data. For the exact dates for each probe, please consult the THEMIS FGM processing history. All updated files are now in the system.
January 29, 2015: The ACE SWICS (H2-H5) data sets have been removed from the system as they are out of date. They will be replaced soon by the ACE Science Center (ASC). Please see the ASC for the newest data in HDF format. This notice will be updated once new CDF data have been received and re-ingested into the system.
October 1 2014: Important Notice About Reduced STEREO Science Operations.
Oct. 1, 2014: THEMIS at Berkeley has reprocessed ESA L2 data to fix a problem in the spacecraft potential calculation in all probes from 2014-03-26 through present. All files have been successully recieved and ingested into the system.
Sept. 29, 2014: THEMIS at Berkeley has reprocessed FGM L2 data to include new calibrations for probes A, B and C. A: 2014/08/13 through present; B: 2013/04/01 through present and C: 2013-04-01 through present. All relevant files have been successully recieved and ingested into the system.
Sept. 16, 2014: NOAA POES and MetOp SEM-2 observations from the Total Energy Detector (TED) and the Medium Energy Proton and Electron Detector (MEPED) instruments are now available. These new data sets include six spacecraft, NOAA-15, 16, 18, 19, MetOp-1(B) and MetOp-2(A) and cover years 2013 through near real-time.
July 30, 2014: The ACE SIS team has released a new version of the Level 2 data. The new analysis includes a better calculation of the time-dependent geometry factor and a data cut to eliminate chance-coincidence events resulting from disabled strips. See the release notes for details.
July 10, 2014: The system now contains the 40.5 second averages of plasma moments and magnetic fields from the Helios 1 and 2 missions to the inner heliosphere. Although the data are from the late 70's, they provide the most complete in situ view we have of regions inside Earth orbit, and thus are especially valuable for studies of what to expect from Solar Probe Plus and Solar Orbiter.
June 6, 2014: The THEMIS Level 2 FGM data, for probes A, B, D & E since April 1st 2014, have been reprocessed at Berkeley and are now available in the system. For further details see the THEMIS FGM Data Processing history.
April, 2014: The Balloon Array for RBSP Relativistic Electron Losses (BARREL) data for the 2013 campaign are available in the system. For further details see the BARREL site. We are expecting the data for 2nd campaign in the coming months.
January 27, 2014: The THEMIS Level 2 SST data for Probes A through E are now available in the system. The SST files, for the entire mission, were reprocessed at Berkeley and contain many new quantities. For further details see the THEMIS SST Data Processing history.
December 9, 2013: FAST high resolution data (FAST_HR_DCB) from September 28, 1996, to October 9, 1998, are now available. These data files include the magnetometer data with the IGRF model field subtracted in several coordinate systems (e.g., SM, GEI, and field-aligned coordinates), as well as spacecraft ephemeris information.
November 15, 2013: The THEMIS Level 2 FGM data files for all probes, from December 2012 till present, have been reprocessed to incorporate new calibration data and are available in the system.
November 1, 2013: The THEMIS Level 2 ESA data files for all probes, from August 15th, 2013 till present, have been reprocessed (again) at Berkeley and are available in the system.
August 28, 2013: Current electron fluxes 40-475 keV from NOAA GOES 13/14/15 MagED are now available.
August 14, 2013: A new release (V07) of the STEREO IMPACT LET data has been made. The new and improved data are available in the system. Please read the release notes for further information.
June 11, 2013: The Van Allen Probes (RBSP) data are in the public views.
May 22, 2013:
The THEMIS FGM L2 data for all probes have been reprocessed with new calibration data. For the specifics see the FGM Data Processing History.
January 25th, 2013:
The ACE CRIS Level 2 data product has been re-released following changes made to the data cuts and the calculation of the geometry factors and SOFT hodoscope efficiencies. Bugs in the positioning and thicknesses of the silicon detector stacks and the calculation of the depth of incident particles have been corrected. Please read the release notes for details. In addition, the high resolution(H*) MFI datasets from June 30 2012 through today, have been reprocessed to include the mid year leap second.
January 22nd, 2013:
The THEMIS STATE (Ephemeris) files for probes A, D and E, from July 2012 through November 2012, have been reprocessed at Berkeley in order to create the final version 3 files. This also triggered the reprocessing of some Level2 instrument CDFs for the same probes/dates. All files are available in the system.
January 8th, 2013:
The THEMIS FGM Level2 files for probes B and C, from August 2012 through today, have been reprocessed at Berkeley with new calibration data. All files are available in the system.
December 7th, 2012:
ACE SWICS 2hour averaged charge-state distributions for C, O, Ne, Mg, Si and Fe are now available (AC_H5_SWI). This data product contains actual Q-state distributions, as opposed to the averaged Q-states that have been available from the system for some time.
November 27th, 2012:
The STEREO-A PLASTIC Level2 files, for the entire mission, have been reprocessed at UNH (STEREO-B will be reprocessed at a later date). A new algorithm for computing the E/W angle has been used. Read more. All new files have been received and ingested into the system.
November 14th, 2012:
The THEMIS FFT Level2 files for all probes, for the entire mission, have been reprocessed at Berkeley to correct a problem with incorrect time stamps.
October 25th, 2012:
The THEMIS SST Level 2 files for all probes, for the entire mission, have been reprocessed at Berkeley and are in place in the system.
September 27th, 2012:
The CDAWeb system is up and running after a major change in its underlying data directory configuration. Please let us know if you find any problems. The associated FTP site is available - all data files are under pub/data.
August 27, 2012:
A new ACE Solar Wind Ion Composition Spectrometer (SWICS) 1 day resolution dataset has been added (AC_H4_SWI) to the system and includes the following solar wind ion products. He+2 bulk speed, Charge States (C+6/C+5, O+7/O+6 Carbon, Oxygen, Fe), Composition (He/O, C/O, N/O, Ne/O, Mg/O, Si/O, S/O, Fe/O). The N/O and S/O composition data are not present in the 1-hour or 2-hour SWICS datasets. More information.
August 20, 2012:
A new version of the 92-sec Solar Wind Alpha and Proton Anisotropy Analysis (WI_H1_SWE) dataset has been added to the system. This is an improved version of the data and extends the coverage through year 2011.
August 5, 2012:
The THEMIS FGM L2 data from probes B, C and E have been reprocessed with new calibrations at Berkeley (from mid May 2012 till now). The files are available in the system.
June 11th, 2012:
The THEMIS FGM L2 data from all probes, for the entire mission, have been reprocessed with new calibrations at Berkeley. All files have been ingested and are available in the system.
May 25th, 2012:
ISIS-1 topside sounder ionogram data from 14 ground-stations have been merged into a single data set (I1_AV_ALL) providing a global view of the topside ionosphere for selected time periods between 1969/01/30 and 1983/12/30.
May 4th, 2012:
A new ACE Solar Wind Ion Composition Spectromaeter (SWICS) dataset (ac_h2_swi) has been added - it has data at 2-hour resolution, and includes the same products as in the 1-hour averaged data currently available, as well as some additional solar wind elemental composition data: He/O, C/O, Ne/O, Mg/O, Si/O See http://www.srl.caltech.edu/ACE/ASC/level2/ssv3_l2desc.html for details.
May 1st, 2012:
The system is operating on new hardware.
March 16, 2012:
All of the THEMIS L2 FGM cdf files have been reprocessed at Berkeley and are now available in the system.
February 28, 2012:
ALL THEMIS SSC Orbit data files (TH*_OR_SSC) have been regenerated in order to correct metadata (attribute) errors; the data was and is correct.
January 19, 2012:
ALL Wind and Geotail KP processing has resumed. We believe the problems with the Wind SWE KP products for November 1st, 2011 through January 17th, 2012 have been corrected. Please report any findings to the contrary.
December 6, 2011:
A new Wind MFI dataset (WI_H2_MFI) has been added - it has data at 0.092 second and occasionally 0.046 and 0.184 second time resolution.
November 7, 2011:
The C/NOFS Bfield data have been reprocessed to include new quantities - they are available in the system.
November 7, 2011:
The THEMIS state (ephemeris) files for the entire mission have been reprocessed at Berkeley, they have been validated/ingested and are available in the system.
November 4, 2011:
Due to the reprocessing of the Wind H0 MFI dataset the OMNI low and high resolution datatsets, which include Wind-based shift parameters, have been reprocessed and are available in the system.
A new STEREO Level2 dataset has been added to the system (STA/B_L2_PLA_IRON_Q_2HR).
October 14, 2011:
The Wind H0 MFI dataset has been completely reprocessed by the PI team and replaced in the system. Please see the Wind H0 MFI NOTES page for the detailed description of the changes.
September 30, 2011:
The C/NOFS data is now available in the relevant public views.
September 14, 2011:
Additional PAN and ZOOM buttons have been added to all plot/list/cdf creation pages, so the user can quickly and easily find data of interest.
September 13, 2011:
The STEREO Level 1 SIT data and STEREO-B Level 2 PLASTIC data have been completely reprocessed at the provider sites and are now in the system. For the info. on the PLASTIC dataset, please see the readme file.
The STEREO Level 1 LET data have been completely reprocessed at the provider sites and are now in the system. The data files are "V05" and have some new sectored rates and counts variables in them. Starting in November 2010, the LET team reallocated their telemetry to reflect operational changes in the LET instrument. Please see the Level 1 LET documention for the full description.
April 1, 2011:
The THEMIS Level 2 ESA files have been completely reprocessed at Berkeley in order to correct the Solar Wind Mode values. All files have been re-ingested into the system.
January 28, 2011:
Wind Proton Moments (WI_PM_3DP) files for May 20, 2009 through May 11, 2010 have been reprocessed at Berkeley and have been ingested in the system. They include updates to the two density variables.
January 28, 2011:
Reprocessed THEMIS full mission for ESA, FBK, FGM, FFT, FIT, MOM, SCM, and SST; to correct for data gaps at day boundaries caused by time clipping in load routines.
December 1, 2010:
All Level 2 ACE SIS files have been reprocessed by the ACE Science Center and ingested into the system (H2 files are V06 and H1 files are V03).
November 12, 2010:
THEMIS FGM B and C (also known as ARTEMIS-P1 and P2) data has been reprocessed for May 1st through now to incorporate calibration changes.
November 3, 2010:
All STEREO RTN and SC MAG (STA/B_L1_MAG/MAGB_RTN/SC) files were reprocessed at UCLA and were ingested into the system. The new files are Version 5 files, and include data produced with altered algorithms to fix problems in the STEREO Ahead data.
October 26, 2010:
All STEREO SEPT (STA/B_L1_SEPT) files have been reprocessed at Berkeley and ingested into the system. The new files are Version 8 files, please see SEPT Caveats page for more details.
September 28, 2010:
Reprocessing of ALL THEMIS FBK, FIT, ESA, MOM and SST Level 2 files at Berkeley, to correct timing issues and the solar wind flags, has been COMPLETED and all files are available in this system. Please see the THEMIS processing history pages for more details.
September 13, 2010:
THEMIS Level 2 FGM files from March 29, 2010 through now have been reprocessed at Berkeley and ingested into the system, they encorporate new calibration data, see the THEMIS FGM processing history page for more details.
August 25, 2010:
All AC_K1_MFI (16-sec resolution) data has been reprocessed to correct the GSE magnetic field values. The data and files (version 2) are now available in CDAWeb and at the ACE Science Center.
August 23, 2010:
THEMIS A, D and E State files from 2010/01/01 through 2010/07/26 have been reprocessed to incorporate the latest spin attitude corrections. They are available now in the system. Please see the THEMIS processing history page for more details.
August 13, 2010:
THEMIS All Sky Imager (ASI) data files were updated to contain their full resolution.
August 6, 2010:
ALL THEMIS FGM, FIT, ESA, MOM and SCM Level 2 files have been reprocessed at Berkeley and have been validated and ingested into the system. Changes were that the ESA and MOM datasets have two new solar wind flag variables, FGM had new calibration data incorporated and the other datasets had metadata updates. Please see the THEMIS processing history page for more details.
June 7, 2010:
THEMIS Search Coil Magnetometer (SCM) datasets have been released to the public and are included in the system.
May 31, 2010:
STEREO IMPACT MAG Level1 SC and RTN files for the entire mission have been populated in the system. The dataset names have CHANGED from ST(A/B)_L1_MAG to ST(A/B)_L1_(MAG/MAGB)_(RTN/SC), so instead of two datasets, there are eight.
May 21, 2010:
THEMIS B Level 2 Instrument files for May 29, 2009 through now and for THEMIS C April 13, 2010 through now have been reproduced at Berkeley and have been ingested into the system.
May 21, 2010:
The THEMIS STATE (Ephemeris) files for the entire mission have been reproduced at Berkeley and are available in the system.
May 20, 2010:
STEREO-B PLASTIC Level2 (STB_L2_PLA_1DMAX all resolutions) files are being reprocessed at UNH. Files (Version 8) for 2007 have been ingested into the system, the remaining years have not been released yet. See the release notes .
April 26, 2010:
The THEMIS L2 FGM, ESA, MOM and FIT datasets for August 2009 through the present have been reprocessed at Berkeley and re-ingested into the system.
April 13, 2010:
Three New GOES High Res. Magnetometer datasets (G10/11/12 L2 MAG) have been added.
A new Wind Electron energy-angle dist (WI_ELPD_3DP) dataset has been added.
April 8, 2010:
New ACE Magnetic Field 1-Second Level 2 Data (AC_H3_MFI) dataset added to the system.
New versions of the AC_H2_SIS, AC_H2_CRIS and AC_H3_CRIS datasets have been ingested - see the release notes at the ACE Science Center (under Documentation).
In addition, new ACE/SIS Solar Isotope Spectrometer 256-sec Level 2 Data (AC_H1_SIS) is being added.
March 12, 2010:
THEMIS files for STATE, FGM, FIT and ESA were reprocessed at Berkeley, to include new FGM calibrations, and have been fully ingested in the system. For details of the reprocessing, please see the documentation.
March 10, 2010:
OMNI Datasets updated: with new Wind data (entire dataset), 1973-2000 IMP8 magnetic field data replace with new data and 2004-2006 Geotail data was replaced.
March 9, 2010:
Six new datasets added from the Two Wide-angle Imaging Neutral-atom Spectrometers (TWINS) mission.
Five new Wind Solar Wind Experiment (SWE) datasets added (H3, H4, H5, M0 and M2).
February 22, 2010:
A new version (3) of the IMP8 15.36 second magnetometer dataset has been ingested into the system (for all 27 years). For details of the reprocessing, please see the documentation.
February 1, 2010:
Geotail H0 CPI UPDATE (new V6 files available): Version 6 data processing replaced version 5 processing for data after March 10, 2006, when the CPI team started using 64 energy steps per spectrum instead of the previously used 32 steps per spectrum. The change was made to ensure that even for very cold flows, the spectrum would have a sufficient number of significant points to derive moments. The change resulted in 96s spectra and 96s-resolution moments, vs. 48s previously.
February 1, 2010:
The CDAWeb mapped display software has been corrected to properly display the IMAGE SIE and SIP image data (the aurora had previously been located too far north in latitude).
January 1, 2010:
TIMED Doppler Interferometer (TIDI) Horizontal Neutral Wind Vector data for 2009 is now available.
December 29, 2009::
STEREO Level2 Plasma and Suprathermal Ion Composition (PLASTIC) 1 min., 10 min. and 1 hour resolution (new version 7) data is now available. Please see the readme for the details.
December 17, 2009:
STEREO Level2 Plasma and Suprathermal Ion Composition (PLASTIC) 1 min., 10 min. and 1 hour resolution data is now available.
FAST EES and IES files for all years were successfully reprocessed at Berkeley and re-ingested into CDAWeb.
THEMIS All Sky Imager Keogram data for most of 2009 has been updated to contain the highest resolution data.
Polar K1 VIS image data coverage is being extended beyond 2006.
November 16, 2009:
All THEMIS ESA and MOM files were reprocessed at Berkeley and were ingested into CDAWeb. Please reference THEMIS Data Processing history for the details.
November 3, 2009:
STEREO IMPACT MAG Level1 files are in the process of being replaced and the dataset names are changing. If you have stereoa/b_l1_mag files from prior to May 18, 2009, they need to be replaced. More information on this and the data files will be forthcoming. May 31, 2010: See update above.
October 26, 2009:
FAST IES and EES files for the mission are being reprocessed at Berkeley and being ingested into the system.
October 14, 2009:
A new release of the CDAWlib software (CDAWeb's underlying IDL software) has been made; significant performance improvements have been included.
October 13, 2009:
A new set of version 7 ACE SWICS H2 data files are now available. Please read the SWICS Release notes.
New FAST TEAMS files have been ingested.
October 9, 2009:
GPS data were added for a number of short time periods where data were previously missing due to transfer and/or processing errors including Jan 16-20 2005, June 16 2007, and Jan 4 2009.
September 23, 2009:
5-min GOES proton fluxes at >10, 30, and 60 MeV have been added to the 5-min OMNI data set (OMNI_HRO_5MIN).
September 21, 2009:
THEMIS STATE, FIT and FGM dataset files have been completely reprocessed at Berkeley, thus all files have been re-ingested into CDAWeb. THEMIS STATE files now contain ephemeris data in GSE and GSM coordinates in addition to the original GEI.
September 15, 2009:
TIMED SEE Solar UV Irradiance (TIMED_L3A_SEE) data were upgraded to Version 10.02 involving a minor software change that affects the wavelengths shorter than 27 nm.
September 11, 2009:
New THEMIS MOM (on-board moments) files are now available in the system.
August 25, 2009:
All THEMIS ESA files have been completely reprocessed at Berkeley, and re-ingested into CDAWeb; they contain better quality flag values.
July 24, 2009:
Version 10 of TIMED SEE Solar UV Irradiance (TIMED_L3A_SEE) data now available - they include the final TIMED-SEE suborbital rocket calibration.
June 19, 2009:
A new CDAWeb View for the Communication/Navigation Outage Forecasting System (C/NOFS) data is available. This data view requires one time email registration, after which the user will be provided with the username and password.
May 7, 2009:
THEMIS FGM dataset files were reprocessed at Berkeley and re-ingested into CDAWeb.
April 29, 2009:
Eight new geomagnetic activity index variables added to the OMNI 1min and 5min dataset files. If you have previously downloaded copies of these files, please download a whole new set, via CDAWeb.
April 24, 2009:
ACE Key Parameter (k0,k1,k2) epm/mfi/swe datasets were "pruned" (files prior to June 2008 have been removed); please continue to use their corresponding high resolution (h0, h1, etc.) datasets, where available.
April 1, 2009:
STEREO L1 SEPT data files reprocessed (time stamps corrected).
Additional indices added to the OMNI2_H0_MRG1HR dataset.
March 25, 2009:
THEMIS FGM data reprocessed and populated in CDAWeb.
Restored Data flow: ISIS1 being processed and ingested to CDAWeb.
March 12, 2009:
New to CDAWeb: Global images and movies of Total Electron Content (TEC) deduced from Global Positioning Satellites (GPS_TEC2HR_IGS) (1998 through present).
Restored data flows: FAST and WIND 3DP.
** New functionality added to all output pages: Previous/Next buttons produce the next or previous plot, listing or cdf.
** Postscript and PDF plotting files now supported for all plot types except images.