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Table 1 CHAOS-6h model misfit statistics

From: Recent geomagnetic secular variation from Swarm and ground observatories as estimated in the CHAOS-6 geomagnetic field model

 

Component

N

Mean (nT)

rms (nT)

Field

\(F_{\mathrm{polar}}\)

116,437

−0.01

4.10

\(B_{r}\)

295,780

−0.03

1.77

\(B_{\theta }\)

 

0.01

2.63

\(B_{\phi }\)

 

−0.06

2.09

Differences

\(\Delta F_{\mathrm{polar}}\)

696,807

−0.01

1.47

Differences, dark

\(\Delta B_r\)

397,656

0.00

0.33

\(\Delta B_\theta\)

 

0.00

0.36

\(\Delta B_\phi\)

 

0.00

0.39

Differences, sunlit

\(\Delta B_r\)

137,507

−0.02

0.82

\(\Delta B_\theta\)

 

−0.01

0.99

\(\Delta B_\phi\)

 

0.00

1.04