Table 2 Comparison of IGRF-11 and our IGRF-12 candidate SV models with spline fits to 66 observatories
From: NOAA/NGDC candidate models for the 12th generation International Geomagnetic Reference Field
dX/dt (nT/year) | dY/dt (nT/year) | dZ/dt (nT/year) | ||||
|---|---|---|---|---|---|---|
Mean | Rms | Mean | Rms | Mean | Rms | |
IGRF-11 | -8.96 | 14.20 | 1.25 | 9.93 | 3.85 | 18.15 |
IGRF-12 candidate | -11.82 | 10.31 | 1.19 | 4.77 | 2.12 | 7.91 |