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Title:		Kilometric radio waves generated along auroral field lines observed by ground facilities - A theoretical model
Authors:		ZIEBELL, L. F.; WU, C. S.; YOON, PETER H.
Affiliation:		AC(Maryland, University, College Park)
Journal:		Journal of Geophysical Research (ISSN 0148-0227), vol. 96, Feb. 1, 1991, p. 1495-1501. Research supported by CNPq.
Publication Date:		02/1991
Category:		Geophysics
Origin:		STI
NASA/STI Keywords:		AURORAS, KILOMETRIC WAVES, LINES OF FORCE, RADIO WAVES, WAVE AMPLIFICATION, WAVE GENERATION, ELECTROMAGNETIC NOISE, FREQUENCY RANGES, TRAPPED PARTICLES, WAVE PROPAGATION, WHISTLERS
Bibliographic Code:		1991JGR....96.1495Z

Abstract

A theory of generation of radio waves observed by ground-based facilities in the frequency range 150-700 kHz is discussed. This work is a continuation of an earlier discussion (Wu et al., 1989) in which it was proposed that the trapped electrons along the auroral field lines can lead to a cyclotron instability which amplifies the whistler waves observed at ground level. The objective of the present study is to investigate the propagation effect on the wave amplification and to examine whether the proposed mechanism is indeed viable.

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