Abstract
Whistler-triggered hiss, banded hiss, ELF hiss, impulsive VLF waves and magnetospheric chorus are analysed by using analog data of wideband electric fields (650 Hz – 40 kHz) from DE-1 satellite received at Kashima, Japan in the NASA DE guest investigator program. The whistler-triggered hiss was observed after a whistler trace at frequencies below about 15 kHz in low-latitude plasmasphere, and its generation models are discussed. Wave modes of banded hiss, impulsive VLF waves and ELF hiss successively observed for about one minute are discussed in terms of the spin modulated effect of whistler-mode ELF hiss. Magnetospheric chorus with a frequency gap around 5.8 kHz was observed in the geomagnetic storm recovery phase. This indicates a field decrease by about one fifth of the quiet-time geomagnetic field produced by a storm-time equatorial ring current.
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