Articles | Volume 6, issue 2
https://doi.org/10.5194/gi-6-439-2017
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, Jean Rasson, Stephan Bracke, Antoine Poncelet, Olivier Hendrickx, and François Humbled

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Latest update: 08 Aug 2025
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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.
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