From: Testing IGRF-11 candidate models against CHAMP data and quasi-definitive observatory data
A | B | C | D | E | F | G | |
---|---|---|---|---|---|---|---|
mean dF polar | −1.72 | −4.72 | −7.59 | −7.67 | −2.24 | −3.04 | −4.69 |
rms dF polar | 7.30 | 7.87 | 12.21 | 11.54 | 8.43 | 7.24 | 8.24 |
mean dF nonpolar | 2.57 | −0.58 | −0.07 | −1.77 | −0.83 | 0.20 | −0.56 |
rms dF nonpolar | 6.29 | 5.19 | 5.14 | 7.27 | 5.90 | 5.11 | 5.06 |
mean d B r nonpolar | −0.58 | −0.86 | −1.66 | −0.61 | −2.39 | −0.69 | −0.96 |
rms d B r nonpolar | 6.01 | 5.23 | 5.38 | 7.88 | 7.72 | 5.25 | 5.54 |
mean d B θ nonpolar | −1.76 | 0.46 | 0.64 | 1.21 | 0.59 | −0.15 | 0.45 |
rms d B θ nonpolar | 6.23 | 5.52 | 5.25 | 7.22 | 6.12 | 5.60 | 5.45 |
mean d B ϕ nonpolar | 0.02 | −0.06 | −0.01 | −0.00 | −0.08 | −0.05 | −0.04 |
rms d B ϕ nonpolar | 4.13 | 4.06 | 4.09 | 5.22 | 5.21 | 3.96 | 4.29 |