Articles | Volume 6, issue 2
Geosci. Instrum. Method. Data Syst., 6, 439–446, 2017
https://doi.org/10.5194/gi-6-439-2017

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

Geosci. Instrum. Method. Data Syst., 6, 439–446, 2017
https://doi.org/10.5194/gi-6-439-2017

Research article 26 Oct 2017

Research article | 26 Oct 2017

Fog-based automatic true north detection for absolute magnetic declination measurement

Alexandre Gonsette et al.

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Latest update: 08 Dec 2021
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Short summary
Absolute magnetic measurements require the vertical and the geographic north as reference directions. We present here a novel system able to measure the direction of the magnetic field and of the vertical and true north. A design of a north seeker is proposed that takes into account sensor bias as well as misalignment errors. Different methods are derived from this model and measurement results are presented. A measurement test at high latitude is also shown.