ReadonlydecimalDecimal year used for the computation.
ReadonlydeclinationMagnetic declination in degrees (positive east, negative west).
ReadonlydownDown component (Z) in nanotesla.
ReadonlyeastEast component (Y) in nanotesla.
ReadonlyhorizontalHorizontal intensity in nanotesla.
ReadonlyinclinationMagnetic inclination (dip) in degrees (positive down into the Earth).
ReadonlynorthNorth component (X) in nanotesla.
ReadonlytotalTotal field intensity (F) in nanotesla.
Magnetic field components at a geographic position and time.
All angles are in degrees. All field intensities are in nanotesla (nT).