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Doppler shifts on whistler mode signals received at Siple Station, Antarctica
Author(s) -
Andrews M. K.,
Thomson N. R.
Publication year - 1977
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl004i010p00399
Subject(s) - plasmasphere , whistler , doppler effect , quiet , geology , convection , geophysics , meteorology , atmospheric sciences , physics , magnetic field , magnetosphere , astronomy , quantum mechanics
A VLF receiver at Siple Station during 1975 recorded the Doppler shift on Whistler mode signals from NAA, Cutler, Maine. An initial analysis of the data shows that signals could be received at any hour of the day during Southern Winter. On the dayside, the Doppler shift frequently showed large oscillations, due to pulsations in the Pc4‐5 range. On average, a well‐defined diurnal pattern of shifts was found. This pattern supports some features of recent measurements of the convection electric field in the plasmasphere, and also suggests that the quiet plasmasphere near L = 3 refills by ∼10 17 el/m²/day for the entire tube between the 1000 km levels.