1974•Journal of Geophysical Research AtmospheresRequires access

Low-latitude cutoff for whistlers observed on the ground

M. Srirama Rao, V. V. Somayajulu, S. K. Dikshit, B. A. P. Tantry

Abstract

Ground observations of whistlers have been analyzed to yield a low-latitude cutoff around 16° geomagnetic latitude. It is suggested that this cutoff signifies a latitude below which, irrespective of the magnetic activity, no whistlers can be heard or when a few are heard, they can readily be identified as originating at higher latitudes.

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Key concepts: Whistler, Latitude, Cutoff, Low latitude, Geomagnetic latitude, Earth's magnetic field, Geophysics, Atmospheric sciences