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Earth, Planets and Space
Fig. 9. | Earth, Planets and Space

Fig. 9.

From: Behaviour of the quiet-day geomagnetic variation at Livingston Island and variability of the Sq focus position in the South American-Antarctic Peninsula region

Fig. 9.

Plot of variation of H versus observatory latitude used for the determination of the focus latitude of the ionospheric current system by least squares fits for each season of 1999. The standard uncertainties of the fits are also displayed as grey shadings. Symbols for AIA and LIV for winter and VSS for summer are encircled to indicate that they were not considered for the fit.

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