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Fig. 5

Composite radio spectrum from two Ondřejov radiospectrographs (0.8–2.0 and 2.0–4.5 GHz) showing the positively drifting pulsating structures (DPSs) and narrowband dm-spikes observed on 2001 March 28. The 0.8–2.0 GHz spectrum was shortly interrupted at 12:08:34–12:08:36 UT. Compare with Fig. 4.
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