Variations in the strength of the Sq current system

The strength of the Sq current system is measured by taking the difference between magnetic variations on either side of the current system focus. This is carried out for several longitude sectors. A distinct semiannual variation is sometimes found but its incidence varies with longitude, local...

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Bibliographic Details
Main Author: R. J. Stening
Format: Article
Language:English
Published: Copernicus Publications 1995-06-01
Series:Annales Geophysicae
Online Access:https://www.ann-geophys.net/13/627/1995/angeo-13-627-1995.pdf