Abstract

The position of the auroral belt can be reliably determined through the use of an h.f. multifrequency backscatter sounder. Auroral echoes recorded at Thule show that aspect-sensitive auroral backscatter can be obtained from the south in the northern hemisphere. In comparing simultaneous Thule and College records, the auroral belt latitude data were found to be independent of the latitude of the auroral radar. It is proposed that one multifrequency h.f. backscatter sounder installed at the north geomagnetic pole could provide real-time information on the position of the entire auroral belt around the northern hemisphere.

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