Open Access
Issue
J. Space Weather Space Clim.
Volume 15, 2025
Article Number 9
Number of page(s) 13
DOI https://doi.org/10.1051/swsc/2025003
Published online 12 March 2025

Supplementary material

Supplementary material 1: Excerpts from historical (year)books describing the Dutch geomagnetic observations with English translations. Access here

Supplementary material 2: A zip file containing the Python code used for the analysis and the data files. A readme text file enclosed in the zip file explains the contents and origin of the data files. Access here


© K. van Dam et al., Published by EDP Sciences 2025

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