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Fig. 5 | Earth, Planets and Space

Fig. 5

From: On the feasibility of routine baseline improvement in processing of geomagnetic observatory data

Fig. 5

Comparison between the baseline values for the three EMF components, obtained by the classical and the proposed methods for the period from February 20 to October 1, 2015. The baseline according to the classical method with the use of the smoothing spline interpolation is marked with red (X0), the hourly baseline values obtained by the described algorithm are marked with blue (nX h0 ), the daily values calculated by averaging the hourly values nX h0 are marked with green (nX d0 ), and the observed baseline values are marked with light-blue circles (spot)

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