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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.