• R P Kane

      Articles written in Journal of Earth System Science

    • Variability of theSq focus position in the South American continent

      R P Kane

      More Details Abstract Fulltext PDF

      The daily variation of the H component at Pilar (31.7°S, 63–9°W) and Trelew (43.3°S, 65.3°W) in the South American continent indicates a great variability in amplitude from season to season and even from day to day. However, Pilar always remains equatorward of the southern Sq, focus. On the other hand, Trelew is in most cases slightly poleward of the Sq, focus; but the focus has large latitudinal excursions above and near Trelew. A cause of this variability could be the encroachment of polar ionospheric current systems into the low latitude ionospheric Sq, current system.

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