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Table 6 Model statistics of misfit between CHAOS-7 and CryoSat-2 data

From: The CHAOS-7 geomagnetic field model and observed changes in the South Atlantic Anomaly

N Mean rms
\(F_\text {polar}\) (nT) 16,761 0.17 5.98
\(F_\text {non-polar}\) (nT) 31,322 0.02 4.21
\(B_r\) (nT) 31,322 0.08 4.08
\(B_\theta\) (nT) 31,322 − 0.07 5.23
\(B_\phi\) (nT) 31,322 − 0.22 4.08
  1. Mean and rms refer to Huber-weighted mean and rms values in units of nT. Only the misfit to data from dark regions used to determine the field model coefficients are reported here