Journal
GEOSCIENTIFIC INSTRUMENTATION METHODS AND DATA SYSTEMS
Volume 7, Issue 1, Pages 129-142Publisher
COPERNICUS GESELLSCHAFT MBH
DOI: 10.5194/gi-7-129-2018
Keywords
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Funding
- NASA Heliophysics Technology and Instrument Development for Science grant [NNX16AH47G]
- NASA Small Spacecraft Technology Program grant [NNX16AT35A]
- NASA [NNX16AT35A, 894682] Funding Source: Federal RePORTER
- Directorate For Geosciences
- Div Atmospheric & Geospace Sciences [1265651] Funding Source: National Science Foundation
- Div Atmospheric & Geospace Sciences
- Directorate For Geosciences [1450512] Funding Source: National Science Foundation
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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 4pT/root Hz at 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.
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