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Fig. 5.

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Dynamic spectrographs of three types of radio bursts. (a) Wind/Waves radio dynamic spectrograph from 20 to 13 875 kHz. The solid white line marks the start time of the type III burst. (b) The dynamic spectrograph in the frequency range from 14 to 100 MHz from BIR station. (c) Zoom into a group of type III bursts.
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