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The SPDF is a project of the Heliophysics Science Division (HSD) at NASA's Goddard Space Flight Center. SPDF consists of web-based services for survey and high resolution data and trajectories. The Facility supports data from most NASA Heliophysics missions to promote correlative and collaborative research across discipline and mission boundaries. Read More here.

News & Announcements

NOTICE: September 19, 2019: GOLD L1C, L1D, and L2 data files (Channel A) have been replaced with a new version in the SPDF archive. L1C and L1D data were updated to include a flat-field correction (DAY, LIM, and OCC to version 02; NI1 to version 03). L1 data are available through 8/13/2019. L2 data products were updated based on the new L1 data. TDISK, TLIMB, O2DEN, and ON2 (v02) are available through 8/13/2019. The initial release of QEUV data (v01) is available through 1/31/2019.

August 1, 2019: As part of Federal policy to encrypt all network connections, FTP access to the SPDF and CDAWeb data archive was changed to TLS-encrypted FTPS on July 31, 2019. Browsers and traditional command line FTP will NO LONGER CONNECT with FTP, but HTTPS access remains. For more information and alternatives, see our FTPS Readme.

NOTICE: June 25, 2019: Robert McGuire, the head of the Space Physics Data Facility (SPDF) since 1992, is retiring. He started as a National Academy of Sciences (NAS) Post-doctoral Fellow at NASA Goddard in 1976, served as the last Project Scientist for the IMP-8 mission until 2006 and was the last designated Principal Investigator of the IMP-8 Goddard Medium Energy (GME) (energetic particle) experiment. He is presently the Associate Director for Science Information Systems in the Heliophysics Science Division at Goddard.

He is being succeeded as Project Scientist for SPDF by Robert M. Candey with Lan Jian as Deputy.

NOTICE: June 25, 2019: The Canned plot visualizer interface has been updated to display MMS Quick Look Summary plots.

NOTICE: The MMS Level 2 data products are available via SPDF HTTPS and all data sets are available in CDAWeb. The range of publicly available MMS data will continue to be updated weekly.

page icon  New CDF Version 3.7.1 Released

Common Data Format (CDF) Version 3.7.1 is now available. Updates for Perl, IDL, Matlab, and Java interfaces and the SKTeditor CDF editor are available. For further details and changes, see the CDF release notes.

  Email list for SPDF Announcements

Please sign up for an email list of announcements related to SPDF software and services (changes, upgrades, outages). Postings to will be very infrequent but are especially useful to regular users of our web services and Java clients (CDAWeb+, xSonify, TIPSOD). To subscribe, go to or send an email to .

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