Table 2. RMS vector field differences
i, j
R in units nT between DGRF-2005 candidate models and also between candidates and the arithmetic mean reference models M, MnoD and MABG shown in the rightmost columns. The bottom three rows are arithmetic means 
of the
i,j
R where the means include respectively all candidates, exclude candidate D, and use only models A, B and G.
of the
i,j
R where the means include respectively all candidates, exclude candidate D, and use only models A, B and G.From: Evaluation of candidate geomagnetic field models for IGRF-11
i,j R/nT | A | B | C2 | D | E2 | F | G | M | M noD | M ABG |
|---|---|---|---|---|---|---|---|---|---|---|
A | 0.0 | 2.3 | 4.3 | 14.9 | 5.4 | 4.6 | 2.9 | 3.1 | 2.0 | 1.6 |
B | 2.3 | 0.0 | 4.8 | 14.5 | 5.2 | 3.8 | 2.2 | 2.6 | 1.7 | 1.2 |
C2 | 4.3 | 4.8 | 0.0 | 15.2 | 6.8 | 6.5 | 5.2 | 4.6 | 4.0 | 4.6 |
D | 14.9 | 14.5 | 15.2 | 0.0 | 14.6 | 15.0 | 14.4 | 12.4 | 14.4 | 14.5 |
E2 | 5.4 | 5.2 | 6.8 | 14.6 | 0.0 | 5.6 | 5.6 | 4.5 | 4.2 | 5.2 |
F | 4.6 | 3.8 | 6.5 | 15.0 | 5.6 | 0.0 | 4.4 | 4.1 | 3.4 | 4.0 |
G | 2.9 | 2.2 | 5.2 | 14.4 | 5.6 | 4.4 | 0.0 | 3.0 | 2.4 | 1.6 |
Mean Diff | 5.7 | 5.5 | 7.1 | 14.7 | 7.2 | 6.6 | 5.8 | 4.9 | 4.6 | 4.7 |
Mean Diff noD | 3.9 | 3.7 | 5.5 | 17.7 | 5.7 | 5.0 | 4.1 | 3.7 | 3.0 | 3.0 |
Mean Diff ABG | 2.6 | 2.2 | 4.8 | 14.6 | 5.4 | 4.2 | 2.6 | 2.9 | 2.0 | 1.4 |