World Magnetic Model High Resolution 2025

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: December 19, 2025 | Last Modified: 2024-12-17T00:00:00.000+00:00

The World Magnetic Model High Resolution is a more detailed, accurate depiction of the geomagnetic field than the World Magnetic Model (WMM) because it has more coefficients (18,210 instead of 336) and more digits (4 instead of 1) in each coefficient. The National Geospatial-Intelligence Agency (NGA) highly recommends that all DoD systems use the WMMHR instead of the WMM.

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Complete Metadata

describedByType	application/octet-steam
identifier	gov.noaa.ngdc:WMMHR2025
issued	2024-12-17T00:00:00.000+00:00
language	[]
rights	otherRestrictions
spatial	180.0,-90.0,-180.0,90.0
temporal	2025-01-01T00:00:00+00:00/2029-12-31T00:00:00+00:00

Location