World Magnetic Model (WMM) | National Centers for …
The World Magnetic Model (WMM) is the standard model for navigation, attitude, and heading referencing systems that use the geomagnetic field. The WMM is also used for civilian applications, including navigation and heading systems.
World Magnetic Model 2020 Released | News | National Centers …
Dec 10, 2019 · The latest version of the World Magnetic Model (WMM), one of the key tools developed to model the change in Earth's magnetic field, has been released.
World Magnetic Model 2025 - National Centers for Environmental …
Dec 17, 2024 · The World Magnetic Model is the standard model used by the U.S. Department of Defense, the U.K. Ministry of Defence, the North Atlantic Treaty Organization (NATO) and the International Hydrographic Organization (IHO), for navigation, attitude and heading referencing systems using the geomagnetic field.
WHAT IS THE WORLD MAGNETIC MODEL ? The World Magnetic Model is a data based spherical harmonic model of the magnetic field created by the spinning of Earth’s core to degree and order 12. It is produced by the NOAA’s National Centers for Environmental Information (NCEI) and the British Geological Survey (BGS). The model, associated
World Magnetic Model Coefficients | National Centers for …
World Magnetic Model (WMM) World Magnetic Model Coefficients World Magnetic Model Coefficients. WMM2025 (2025-2029) coefficients; WMM2020 technical report (2025 report will be available spring of 2025) WMM2025 maps with blackout zone; WMM2025 maps without blackout zone; Return to top. Follow Us @NOAANCEI @NOAAData
Enhanced Magnetic Model (EMM) | National Centers for …
Enhanced Magnetic Model (EMM2015) software for rapid field calculation using 3D mesh interpolation for Windows and Linux environments. Useful for large grid or profile calculations. Low CPU requirements, high (6 GB) RAM requirement.
Navigating Our Planet with Magnetic Models | News | National …
Sep 14, 2016 · The World Magnetic Model or WMM is a spherical harmonic model of the magnetic field produced by Earth’s core. Its large-scale representation of the planet’s magnetic field gives analog and digital magnetic compasses dependable accuracy.
World Magnetic Model Out-of-Cycle Release - National Centers …
Feb 4, 2019 · Earth’s northern magnetic pole is moving quickly away from the Canadian Arctic toward Siberia. This movement has forced NCEI’s scientists to update the World Magnetic Model (WMM) mid-cycle. Typically, a new and updated version of the WMM is released every five years.
World Magnetic Model Accuracy, Limitations, and Error Model
By collecting magnetic field data from surveys over several years, we can create accurate models of the current magnetic field and predict how it will change through linear extrapolation. This means that, with sufficient satellite magnetic observations, the WMM is …
World Magnetic Model 2020 - National Centers for Environmental …
The World Magnetic Model is the standard model used by the U.S. Department of Defense, the U.K. Ministry of Defence, the North Atlantic Treaty Organization (NATO) and the International Hydrographic Organization (IHO), for navigation, attitude and heading referencing systems using the geomagnetic field.