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Fig. 20


All components of the averaging kernel for vx inversion at 1 Mm depth with a FWHM of sz = 1.1 Mm and sh = 15 Mm. Bottom row: with cross-talk minimised, top row: cross-talk is ignored. Random error of the results is 14 m s-1 when assuming data averaged over 4 days. Over-plotted contours, which are also marked on the colour bar for reference, denote the following: half-maximum of the kernel (white), half-maximum of the target function (red), and  ± 5% of the maximum value of the kernel (blue and green, respectively).

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