Fig. 1

Example of many type III bursts on 16 February 2014, detected by the WAVES instrument on the WIND spacecraft at 14−0.02 MHz (Bougeret et al. 1995), the Nançay Decametre Array at 80−14 MHz (Lecacheux 2000) and Phoenix 4 at 900−200 MHz (Benz et al. 2009). The large type III burst at 09:30 was associated with a GOES M1 flare. We can observe type III bursts stopping at a variety of different frequencies. The periodicity observed below 1 MHz is an artefact.
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