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Journal of Atmospheric and Terrestrial Physics, 3(51), p. 155-157

DOI: 10.1016/0021-9169(89)90096-2

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Geomagnetic daily variations in H at Alcântara and Eusébio in the Brazilian equatorial region

Journal article published in 1989 by N. B. Trivedi, R. P. Kane, A. L. Padilha ORCID, J. M. Da Costa
This paper is available in a repository.
This paper is available in a repository.

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Abstract

Daily variations in H at Alcântara (dip +3.8°) and Eusébio (dip − 6.5°), two stations in the equatorial electrojet region in Brazil, are compared. The electrojet in NE Brazil exhibits N-S asymmetry. The discrepancy between the daily variation range in H indicates the presence of complicated ionospheric currents in this region and warrants a detailed investigation.