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Table 3. Target and threshold requirements of estimated field accuracy for V2.

From: Use of the Comprehensive Inversion method for Swarm satellite data analysis

Product

Field

Target requirement

Threshold requirement

MCO SHA 2

Core field, SV on ground, n = 2–16, time averaged

1 nT/yr

3 nT/yr

MLI SHA 2

Lithospheric field, accumulated error on ground

40 nT, for range n = 16–150

120 nT, for range n = 16–133

MIO SHA 2

Ionospheric field, average relative error in ǀBǀ on ground

10% globally

10% equator-ward of ±55° magnetic latitude

MMA SHA 2

Magnetospheric field

coh2> 0.8 coh2> 0.95 for dipole terms

coh2> 0.5 coh2> 0.75 for dipole terms