Equatorial Modulation in a Pulsating Aurora

Observations of rapid auroral fluctuations.

“…One of the most important characteristics of the auroral rapid variation is that the energy of the corresponding electrons is higher than that in more common aurora (EVANS, 1976;WHALEN et al, 1971;BRYANT et al, 1971;COURTIER et al, 1974;BRYANT et al, 1975;BROWN et al, 1976). The energy range of the corresponding electrons, in conjunction with the association of VLF chorus emissions and the association of geomagnetic pulsation as well, suggests that the coupling between energetic auroral electrons, VLF waves and HM waves in the magnetosphere plays an essential role in the region of after-effect.…”