| definition |
- Corrected Geomagnetic - A coordinate system from a spatial point with GEO radial distance
and geomagnetic latitude and longitude, follow the epoch-appropriate IGRF/DGRF model field
vector through to the point where the field line crosses the geomagnetic dipole equatorial plane.
Then trace the dipole magnetic field vector Earthward from that point on the equatorial plane,
in the same hemisphere as the original point, until the initial radial distance is reached.
Designate the dipole latitude and longitude at that point as the CGM latitude and longitude of
the original point. See
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