| The Magnetic Field Properties Calculator will computes the estimated values of Earth?s
magnetic field(declination, inclination, vertical component, northerly component,
easterly component, horizontal intensity, or total intensity), for a specific location,
elevation and date or range of dates based on the current International Geomagnetic
Reference Field (IGRF). The calculated result is a grid that contains the calculated
component and the annual change of the component over the geographical area specified.
WDeclination is calculated using the current World Magnetic Model (WMM) or International
Geomagnetic Reference Field (IGRF) model. While results are typically accurate to
30 minutes of arc, users should be aware that several environmental factors can cause
disturbances in the magnetic field. |