cluster spacecraft observations of a ulf wave enhanced by space plasma exploration by active radar (spear)

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ID: 174225
2009
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Abstract
Space Plasma Exploration by Active Radar (SPEAR) is a high-latitude ionospheric heating facility capable of exciting ULF waves on local magnetic field lines. We examine an interval from 1 February 2006 when SPEAR was transmitting a 1 Hz modulation signal with a 10 min on-off cycle. Ground magnetometer data indicated that SPEAR modulated currents in the local ionosphere at 1 Hz, and enhanced a natural field line resonance with a 10 min period. During this interval the Cluster spacecraft passed over the heater site. Signatures of the SPEAR-enhanced field line resonance were present in the magnetic field data measured by the magnetometer on-board Cluster-2. These are the first joint ground- and space-based detections of field line tagging by SPEAR.
Reference Key
badman2009annalescluster Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;S. V. Badman;D. M. Wright;L. B. N. Clausen;R. C. Fear;T. R. Robinson;T. K. Yeoman
Journal journal of food measurement and characterization
Year 2009
DOI
10.5194/angeo-27-3591-2009
URL
https://www.ann-geophys.net/27/3591/2009/angeo-27-3591-2009.pdf
Keywords
cosmic physics sciencephysicsgeophysics

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