GFZ Reference Internal Magnetic Models
GRIMM-X
GFZ Reference Internal Magnetic Models based on CHAMP vector data and observatory hourly means:
- GRIMM-3: Actual Model, third Generation of GRIMM (2001-2010)
- GRIMM-2: Second Generatin of GRIMM (2001-2010)
- GRIMM-1: First Generation of GRIMM (2001 - 2008)