High resolution observations of SAPS related field structures during a geomagnetic storm using passive radar

Frank D. Lind (1), Melissa G. Meyer (2), John C. Foster (1), John D. Sahr (2), Philip J. Erickson (1)

(1) MIT Haystack Observatory, Route 40, Westford MA 01886 USA. (2) Department of Electrical Engineering, University of Washington, Box 352500, Seattle WA 98195 USA.

Introduction

The July 17, 2004 Geomagnetic Event

Context of the Observations using GPS TEC Mapping

Manastash Ridge Radar Observations

DMSP Observations

Periodic Modulation of SAPS Channel Electric Field

Observation of High Speed Flows in the SAPS Channel

Discussion

Summary

References