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World Magnetic Model High Resolution 2025
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... -
World Magnetic Model 2025
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... -
Data on the Earth's Magnetic Field and its Secular Change since 1800
Information on the past and present orientation of the Earth's magnetic field is available from the National Geophysical Data Center (NGDC) which serves as the national data... -
Worldwide Instantaneous Values of Geomagnetic Components D, H, and Z or X, Y, and Z at 2.5-minute Intervals from 1964 to 1974
This data file is comprised of instantaneous values of the geomagnetic components D, H, and Z or X, Y, and Z at 2.5-minute intervals. These values were derived from analog... -
World Magnetic Model 2015 Technical Report
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... -
Enhanced Magnetic Model 2015
The Enhanced Magnetic Model (EMM) extends to degree and order 720, resolving magnetic anomalies down to 56 km wavelength. The higher resolution of the EMM results in... -
International Geomagnetic Reference Field - 11th Generation
The eleventh generation of the International Geomagnetic Reference Field (IGRF) was adopted in December 2009 by the International Association of Geomagnetism and Aeronomy... -
Worldwide Magnetograms with Geomagnetic Components D, H, Z, or X, Y, and Z
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives magnetograms from over 200 geomagnetic observatories. The Center... -
World Magnetic Model 2015
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... -
Geomagnetic Observatory Annual Means Data
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) / World Data Center, Boulder maintains an active database of worldwide...