Variations in Electric Fields from Polar Orbiting Satellites
The advent of techniques to measure electric fields in the ionosphere and above has put new emphasis on the questions of what electric fields exist in the ionosphere and magnetosphere and how they vary. The probe technique using long antennas on rockets and satellites (Aggson, 1969) is useful in studying the spatial variations of electric fields, complimenting the study of temporal variations using the motions of Ba ion clouds (Föppl et al., 1967; Wescott et al., 1969; Haerendel and Lüst, 1970; Wescott et al., 1970).
KeywordsMagnetic Local Time Auroral Region Irregularity Structure Ambient Field Magnetic Time
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