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Fig. 10

image

Temporal changes of the amplitudes of the 27-day variation of the GG index (A27GG) and At component (A27At) of the 3D anisotropy (top) and By component of the HMF (A27By) (bottom) smoothed over 13 Sun’s rotations during A> 0 and A< 0 polarity epochs. Values A27GG and A27By are presented for 19712014, but A27At – for 19702006, data of At is available at the IZMIRAN website up to 2006.

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