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Automated method for calculating the Dst-index based on the wavelet model of geomagnetic field variations

A method for calculating the geomagnetic activity index Dst (Dst-index) based on a wavelet
model of geomagnetic field variations is proposed. The method allows values of the Dst-ndex to be automatically obtained with a 1-minute resolution. The method is tested using data from equatorial stations [1]. The paper describes a calculation algorithm and presents estimation results. The calculation results are compared with the classical approach and the Kyoto method [2]. It is shown that the proposed method allows values of the Dst index to be obtained in the on-line mode with an admissible error.