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On the use of Godhavn H-component as an indicator of the interplanetary sector polarityAn objective method of inferring the polarity of the interplanetary magnetic field using the H-component at Godhavn is presented. The objectively inferred polarities are compared with a subjective index inferred earlier. It is concluded that no significant difference exists between the two methods. The inferred polarities derived from Godhavn H is biased by the (slp) sub q signature in the sense that during summer prolonged intervals of geomagnetic calm will result in inferred Away polarity regardless of the actual sector polarity. This bias does not significantly alter the large scale structure of the inferred sector structure.
Document ID
19750004795
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Svalgaard, L. (Stanford Univ. CA, United States)
Date Acquired
September 3, 2013
Publication Date
October 1, 1974
Subject Category
Astrophysics
Report/Patent Number
NASA-CR-140858
SU-IPR-596
Accession Number
75N12867
Funding Number(s)
CONTRACT_GRANT: NSF GA-31138
CONTRACT_GRANT: N00014-67-A-0112-0068
CONTRACT_GRANT: NGR-05-020-559
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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