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Radio Science

Space-time structure of auroral radio absorption events observed with the imaging riometer at south pole

Authors

  • J. K. Hargreaves,

  • D. L. Detrick,

  • T. J. Rosenberg


Abstract

An imaging riometer system comprising 49 independent beams has been operating at South Pole station since January 1988. A study of intense, short-duration events from the premidnight sector has defined their typical shape as elliptical, with axial ratio 2.3 oriented along the local L shell. The space-time evolution shows rapid intensifications of the moving absorption patches.

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