Articles | Volume 9, issue 2
Geosci. Instrum. Method. Data Syst., 9, 451–469, 2020
https://doi.org/10.5194/gi-9-451-2020
Geosci. Instrum. Method. Data Syst., 9, 451–469, 2020
https://doi.org/10.5194/gi-9-451-2020

Research article 11 Dec 2020

Research article | 11 Dec 2020

Maximum-variance gradiometer technique for removal of spacecraft-generated disturbances from magnetic field data

Ovidiu Dragoş Constantinescu et al.

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Latest update: 18 Sep 2021
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Short summary
We propose a gradiometer-based technique for cleaning multi-sensor magnetic field data acquired on board spacecraft. The technique takes advantage on the fact that the maximum-variance direction of many AC disturbances on board spacecraft does not change over time. We apply the proposed technique to the SOSMAG instrument on board GeoKompsat-2A. We analyse the performance and limitations of the technique and discuss in detail how various disturbances are removed.