This home page provides access to data set contains TRAC-produced full magnetic field field vectors at 2.5-sec resolution (ZAP4 memory mode only), in a spacecraft-based coordinate system (Z along s/c symmetry axis, near-radial from Earth; X near direction of spacecraft motion). It also contains the non-TRAC 8-bit data and the once-every-43-sec TRAC-produced 12-bit data. In addition it contains components of the IGRF/1980 field in a coordinate system fixed by the true radial to the Earth's center and the direction of spacecraft motion (the orbital system), and a difference vector (TRAC- produced field minus the IGRF model field) as transformed to an IGRF/1980-based geomagnetic coordinate system. This ASCII data set also contains needed spacecraft position data.
The data set (originally generated at IKI/Russia, PI Y.I.Galperin) is placed at anonymous FTP site At this site a user can find a description of data and experiment .
Time span of data set: 81-10-01 - 82-03-01
Time span for every file is given in "magnet.tab" file.
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If you have any questions/comments about FTPBrowser system, contact:|
Dr. Natalia Papitashvili, Mail Code 612, NASA/Goddard Space Flight Center, Greenbelt, MD 20771