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Geoscientific Instrumentation, Methods and Data Systems An interactive open-access journal of the European Geosciences Union

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https://doi.org/10.5194/gi-2017-53
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Research article
04 Dec 2017
Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Geoscientific Instrumentation, Methods and Data Systems (GI).
Investigation of a low-cost magneto-inductive magnetometer for space science applications
Leonardo H. Regoli1, Mark B. Moldwin1, Matthew Pellioni1, Bret Bronner2, Kelsey Hite1, Arie Sheinker3, and Brandon M. Ponder4 1Climate and Space Sciences and Engineering, College of Engineering, University of Michigan, Ann Arbor, USA
2Space Physics Research Laboratory, College of Engineering, University of Michigan, Ann Arbor, USA
3Magnetic Sensing, Soreq Nuclear Research Center, Israel
4Nissan Technical Center North America (NTCNA), USA
Abstract. A new sensor for measuring low-amplitude magnetic fields that is ideal for small spacecraft is presented. The novel measurement principle enables the fabrication of a low-cost sensor with low power consumption and with measuring capabilities that are comparable to recent developments for CubeSat applications. The current magnetometer, a software-modified version of a commercial sensor, is capable of detecting fields with amplitudes as low as 8.7 nT at 40 Hz and 2.7 nT at 1 Hz, with a noise floor of 500 pT/√(Hz) @ 1 Hz. The sensor has a linear response to less than 3 % over a range of ±100 000 nT. All of these features make the magneto-inductive principle a promising technology for the development of magnetic sensors for both space-borne and ground-based applications to study geomagnetic activity.

Citation: Regoli, L. H., Moldwin, M. B., Pellioni, M., Bronner, B., Hite, K., Sheinker, A., and Ponder, B. M.: Investigation of a low-cost magneto-inductive magnetometer for space science applications, Geosci. Instrum. Method. Data Syst. Discuss., https://doi.org/10.5194/gi-2017-53, in review, 2017.
Leonardo H. Regoli et al.
Leonardo H. Regoli et al.
Leonardo H. Regoli et al.

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Short summary
The presence of magnetic fields in space dominate the way planets interact with different types of plasmas. Thus, measuring them is extremely important when studying space. We present a new instrument capable of measuring magnetic fields at a fraction of the cost, power and size of traditional magnetometers. With this technology, a science-grade magnetometer for small satellites can be achieved, enabling the study of the space environment with large clusters of sensors in future missions.
The presence of magnetic fields in space dominate the way planets interact with different types...
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