From: Evaluation of candidate models for the 13th generation International Geomagnetic Reference Field
\(B_x\) | \(B_y\) | \(B_z\) | |B| | ||||||
---|---|---|---|---|---|---|---|---|---|
N | Mean (nT) | \(\sigma\) (nT) | Mean (nT) | \(\sigma\) (nT) | Mean (nT) | \(\sigma\) (nT) | Mean (nT) | \(\sigma\) (nT) | |
B | 21,113 | 0.93 | 4.45 | 1.37 | 4.65 | − 0.41 | 3.87 | 0.11 | 3.81 |
CM | 21,113 | 1.41 | 4.28 | 1.29 | 4.58 | − 0.38 | 3.96 | 1.53 | 3.75 |
CU | 21,113 | 1.05 | 4.45 | 1.34 | 4.64 | − 0.49 | 3.96 | 0.36 | 3.66 |
D | 21,113 | 1.15 | 4.39 | 1.32 | 4.65 | − 0.52 | 3.82 | 0.66 | 3.74 |
G | 21,113 | 0.25 | 4.41 | 1.29 | 4.63 | − 0.34 | 3.97 | − 0.60 | 3.88 |
IP | 21,113 | 1.12 | 4.38 | 1.32 | 4.63 | − 0.52 | 3.99 | 0.83 | 3.84 |
IS | 21,113 | − 1.14 | 4.97 | 0.79 | 5.02 | − 1.00 | 7.32 | − 3.00 | 5.31 |
IZ | 21,113 | 0.58 | 4.86 | 1.47 | 4.83 | − 0.28 | 4.84 | 0.85 | 4.37 |
N | 21,113 | 0.19 | 4.87 | 1.38 | 4.75 | − 0.42 | 4.14 | − 1.87 | 3.65 |
P | 21,113 | 0.65 | 4.40 | 1.26 | 4.62 | − 0.53 | 3.83 | 0.04 | 3.76 |
S | 21,113 | 0.43 | 4.48 | 1.13 | 4.59 | 0.16 | 4.58 | 0.11 | 4.50 |
M | 21,113 | 0.60 | 4.39 | 1.27 | 4.61 | − 0.43 | 4.04 | − 0.09 | 3.84 |
\(M_{\text{med}}\) | 21,113 | 0.89 | 4.39 | 1.30 | 4.60 | − 0.45 | 3.88 | 0.39 | 3.80 |
Robust | 21,113 | 0.71 | 4.39 | 1.29 | 4.62 | − 0.43 | 3.94 | 0.06 | 3.80 |