Current activities: Convention of cooperation with the Wallonia Heritage Agency  "Development of archaeomagnetic research in Wallonia".

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Archaeomagnetic dating is based on our current knowledge of the secular variation of the geomagnetic field in the past and on the property of baked and burned materials such as baked clays, carried at high temperatures, to acquire during their cooling a stable remanent magnetisation called thermoremanent magnetisation. For isotropic and homogeneous materials, the direction of this magnetisation is parallel to the ambient geomagnetic field and its intensity is proportional to the field intensity.

The availability of the RMI Dourbes comprehensive ionosonde database and the immediate access to high-quality digisonde measurements allowed the RMI scientists to do valuable research and developments. For example, the RMI Ionospheric section team developed a novel operational system based on measurements from the collocated Digisonde and a GNSS receiver in Dourbes.

We currently provide three geomagnetic services to airports in the Benelux & abroad:

• Compass rose certification
• Runway azimuth orientation
• Supply of isogonal information and maps

Soils contain magnetic minerals resulting from natural processes and human activities (industrial combustion, fire places). Magnetic susceptibility mapping gives you a quick overview about the natural magnetic enhancements in soils, the extent of soil pollution or localises archaeological artefacts in the shallow subsurface.