Fig. 2.

Dynamic spectrum of the type IV radio burst observed on 14 June 2012. Panel a: dynamic spectra from the NDA (10–80 MHz) and the e-CALLISTO Birr spectrometer (100–200 MHz) showing a type IV continuum. Panel b: zoom-in of the dynamic spectrum in (a) showing some of the fine scale structures inside the type IV continuum at NRH frequencies.
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