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Geoscientific Instrumentation, Methods and Data Systems An interactive open-access journal of the European Geosciences Union
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Volume 3, issue 2
Geosci. Instrum. Method. Data Syst., 3, 143–151, 2014
https://doi.org/10.5194/gi-3-143-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Calibration methods and results of the in-situ experiments...

Geosci. Instrum. Method. Data Syst., 3, 143–151, 2014
https://doi.org/10.5194/gi-3-143-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 27 Aug 2014

Research article | 27 Aug 2014

In-flight calibration of double-probe electric field measurements on Cluster

Y. V. Khotyaintsev1, P.-A. Lindqvist2, C. M. Cully1,*, A. I. Eriksson1, and M. André1 Y. V. Khotyaintsev et al.
  • 1Swedish Institute of Space Physics, Uppsala, Sweden
  • 2Royal Institute of Technology, Stockholm, Sweden
  • *now at: Department of Physics and Astronomy, University of Calgary, Calgary, Canada

Abstract. Double-probe electric field instrument with long wire booms is one of the most popular techniques for in situ measurement of electric fields in plasmas on spinning spacecraft platforms, which have been employed on a large number of space missions. Here we present an overview of the calibration procedure used for the Electric Field and Wave (EFW) instrument on Cluster, which involves spin fits of the data and correction of several offsets. We also describe the procedure for the offset determination and present results for the long-term evolution of the offsets.

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