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Fig. 4


Irradiance lightcurves of TIM (green) and SATIRE-S integrated over 200 − 160 000 nm (blue) between 25 February 2003 and 1 November 2009. The upper plot shows the first half of the period and the irradiance scale covers 5.5 W m-2 while the lower half is on a reduced irradiance scale of 1.0 W m-2 to highlight the differences in the quieter minimum period of 2008 and 2009. The black line shows the difference between TIM and SATIRE-S TSI, shifted up by 1358 W m-2 in the upper frame and by 1360.4 W m-2 in the lower.

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