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Chimonas 1977
Chimonas, G. (1977). Infrasonic waves from auroral arcs. Journal of Geophysical Research 82: doi: 10.1029/JA082i025p03573. issn: 0148-0227.

The infrasonic bow wave from a traveling auroral arc of finite length is calculated, and the results of the infinite length approximation are essentially recovered. The finite length results in a distinct, separate, second trailing pulse that is weaker than, and of the opposite sign from, the main pressure wave. It is shown that the sign-reversed signatures sometimes observed may be due to arc currents that have strongly defined trailing ends and relatively diffuse frontal structures.

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Journal
Journal of Geophysical Research
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American Geophysical Union
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