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The joint US/UK 1990 epoch world magnetic modelA detailed summary of the data used, analyses performed, modeling techniques employed, and results obtained in the course of the 1990 Epoch World Magnetic Modeling effort are given. Also, use and limitations of the GEOMAG algorithm are presented. Charts and tables related to the 1990 World Magnetic Model (WMM-90) for the Earth's main field and secular variation in Mercator and polar stereographic projections are presented along with useful tables of several magnetic field components and their secular variation on a 5-degree worldwide grid.
Document ID
19920017163
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Quinn, John M. (Naval Oceanographic Office Bay Saint Louis, MS, United States)
Coleman, Rachel J. (Naval Oceanographic Office Bay Saint Louis, MS, United States)
Peck, Michael R. (Naval Oceanographic Office Bay Saint Louis, MS, United States)
Lauber, Stephen E. (Naval Oceanographic Office Bay Saint Louis, MS, United States)
Date Acquired
September 6, 2013
Publication Date
October 1, 1991
Subject Category
Geophysics
Report/Patent Number
NASA-CR-190424
AD-A245860
NOO-TR-304
NAS 1.26:190424
Report Number: NASA-CR-190424
Report Number: AD-A245860
Report Number: NOO-TR-304
Report Number: NAS 1.26:190424
Accession Number
92N26406
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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