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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 6, issue 2
Geosci. Instrum. Method. Data Syst., 6, 301–309, 2017
https://doi.org/10.5194/gi-6-301-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: The Earth’s magnetic field: measurements, data, and applications...

Geosci. Instrum. Method. Data Syst., 6, 301–309, 2017
https://doi.org/10.5194/gi-6-301-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 23 Aug 2017

Research article | 23 Aug 2017

Possibilities of further improvement of 1 s fluxgate variometers

Andriy Marusenkov Andriy Marusenkov
  • Lviv Centre of Institute for Space Research, Lviv, 79060, Ukraine

Abstract. The paper discusses the possibility of improving temperature and noise characteristics of fluxgate variometers. The new fluxgate sensor with a Co-based amorphous ring core is described. This sensor is capable of improving the signal-to-noise ratio at the recording short-period geomagnetic variations. Besides the sensor performance, it is very important to create the high-stability compensation field that cancels the main Earth magnetic field inside the magnetic cores. For this purpose the new digitally controlled current source with low noise level and high temperature stability is developed.

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Short summary
The paper discusses the possibility of improving the quality of geomagnetic variation monitoring at ground observatories. The new fluxgate sensor and electronics with upgraded temperature and noise characteristics are described. It is supposed that the application of the results and recommendations discussed in the paper will allow a fluxgate magnetometer to be created with an outstanding level of parameters.
The paper discusses the possibility of improving the quality of geomagnetic variation monitoring...
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