NASA NTRS · 19740004979
Field aligned current observations in the polar cusp ionosphere
Abstract
Vector magnetic field measurements made during a sounding rocket flight in the polar cusp ionosphere show field fluctuations in the lower F-region which are interpreted as being caused by the payload's passage through a structured field aligned current system. The field aligned currents have a characteristic horizontal scale size of one kilometer. Analysis of one large field fluctuation gives a current density of 0.0001 amp/m sq.
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Ledley, B. G., Farthing, W. H.. 1973-11-01. Field aligned current observations in the polar cusp ionosphere. https://ntrs.nasa.gov/citations/19740004979
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