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<p>The Magnetic Search Coil (MSC) instruments on the TRACERS mission provide the three magnetic components of the waves from ∼1&#xa0;Hz to 1&#xa0;kHz from two closely spaced spacecraft in low Earth orbit that pass through the magnetospheric cusp. These measurements of Alfvén and other waves help meet the TRACERS Science Objective 3: “Determine to what extent dynamic structures in the cusp are associated with temporal versus spatial reconnection”. The TRACERS MSC uses a three axis, dual sensor coil system and amplifiers with current feedback to provide continuous analog outputs to the Electric Field Instrument (EFI) Electric Signal Processing (ESP) Board. The ESP digitally samples each MSC analog output channel with 16-bit resolution at 2048 samples/second and sends the digitally sampled data to the Central Data Processing Unit (CDPU). The TRACERS MSC design, calibration, and performance is described.</p>

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The Magnetic Search Coil (MSC) on the TRACERS Mission

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月5日

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  • G. B. Hospodarsky,
  • A. J. Carton,
  • R. T. Dvorsky,
  • D. L. Kirchner,
  • D. M. Miles,
  • S. R. Bounds,
  • I. W. Christopher,
  • D. Crawford,
  • K. Deasy,
  • J. S. Dolan,
  • J. B. Faden,
  • G. W. Fessenden Jr.,
  • C. Hansen,
  • R. L. Helland,
  • S. D. Klinkhammer,
  • M. C. Miller,
  • K. J. Morris,
  • C. W. Piker,
  • O. Santolik,
  • K. Steele,
  • T. A. Tompkins,
  • M. D. Webb,
  • D. Wilkinson

摘要

The Magnetic Search Coil (MSC) instruments on the TRACERS mission provide the three magnetic components of the waves from ∼1 Hz to 1 kHz from two closely spaced spacecraft in low Earth orbit that pass through the magnetospheric cusp. These measurements of Alfvén and other waves help meet the TRACERS Science Objective 3: “Determine to what extent dynamic structures in the cusp are associated with temporal versus spatial reconnection”. The TRACERS MSC uses a three axis, dual sensor coil system and amplifiers with current feedback to provide continuous analog outputs to the Electric Field Instrument (EFI) Electric Signal Processing (ESP) Board. The ESP digitally samples each MSC analog output channel with 16-bit resolution at 2048 samples/second and sends the digitally sampled data to the Central Data Processing Unit (CDPU). The TRACERS MSC design, calibration, and performance is described.