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Table 3 Global root mean square differences

From: The BGS magnetic field candidate models for the 12th generation IGRF

  Root mean square difference
  with BGS candidates
Model DGRF IGRF SV 2015-2020
  2010 (nT) 2015 (nT) (nT/year)
DTU Space 2.8 6.8 9.7
ISTerre 6.6 12.1 14.2
IZMIRAN 4.0 14.1 16.6
NGDC Boulder 2.4 7.3 11.0
GFZ Potsdam 2.6 6.3 10.9
NASA/GSFC 4.9 - 11.6
IPGP/CEA-LETI/CNES - 9.1 10.7
LPG Nantes - 10.3 14.1
ETH Zurich - 16.2 -
  1. Differences at reference radius (6,371.2 km) between BGS candidate models and candidates from other contributing institutes.