World Magnetic Model 2025 Conference. Ministry of defence, the north atlantic treaty organization (nato) and the international. The mode in use is the current world magnetic model from 2020 [ wmm20] with is considered valid through 2025.

The world magnetic model high resolution (wmmhr) is an advanced geomagnetic field model that provides a more detailed, accurate depiction of the geomagnetic field than the world. Department of defense, the u.k.