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This programs derives a table of secular change in magnetic declination for a specified point in the conterminous United States. It utilizes the USD polynomial and the IGRF spherical harmonic...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 06, 2026 at 04:14 PM -
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...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 06, 2026 at 04:14 PM -
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 significantly improved...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 06, 2026 at 04:13 PM -
The High Definition Geomagnetic Model (HDGM) is a global, high resolution model of the Earth's geomagnetic main and crustal field, providing magnetic field values (total field, dip, and...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 06, 2026 at 04:14 PM -
Declination is calculated using the current International Geomagnetic Reference Field (IGRF) model. Declination is calculated using the current World Magnetic Model (WMM) or International...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 06, 2026 at 04:13 PM -
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 significantly improved...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 06, 2026 at 04:13 PM -
EMAG2 is a global Earth Magnetic Anomaly Grid compiled from satellite, ship, and airborne magnetic measurements. It is a significant update of our previous candidate grid for the World Digital...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 06, 2026 at 04:13 PM -
The eleventh generation of the International Geomagnetic Reference Field (IGRF) was adopted in December 2009 by the International Association of Geomagnetism and Aeronomy Working Group V-MOD. It...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 06, 2026 at 04:14 PM -
Geomagnetic One Minute Means from world wide observatories
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: April 12, 2026 at 04:57 AM -
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...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 06, 2026 at 04:14 PM -
The High Definition Geomagnetic Model (HDGM) is a global, high resolution model of the Earth's geomagnetic main and crustal field, providing magnetic field values (total field, dip, and...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 06, 2026 at 04:13 PM -
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...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 06, 2026 at 04:14 PM -
The High Definition Geomagnetic Model (HDGM) is a global, high resolution model of the Earth's geomagnetic main and crustal field, providing magnetic field values (total field, dip, and...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 06, 2026 at 04:14 PM -
The NOAA National Centers for Environmental Information (formerly National Geophysical Data Center) receives magnetograms from over 200 geomagnetic observatories. The Center archives data from...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: April 12, 2026 at 04:57 AM -
The High Definition Geomagnetic Model (HDGM) is a global, high resolution model of the Earth's geomagnetic main and crustal field, providing magnetic field values (total field, dip, and...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 06, 2026 at 04:13 PM -
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...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 06, 2026 at 04:14 PM -
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...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 06, 2026 at 04:14 PM -
The High Definition Geomagnetic Model (HDGM) is a global, high resolution model of the Earth's geomagnetic main and crustal field, providing magnetic field values (total field, dip, and...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 06, 2026 at 04:14 PM -
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...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 06, 2026 at 04:14 PM -
The High Definition Geomagnetic Model (HDGM) is a global, high resolution model of the Earth's geomagnetic main and crustal field, providing magnetic field values (total field, dip, and...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 06, 2026 at 04:14 PM
