Table 2 Absolute (upper numbers) and relative (lower numbers) mean absolute errors in the 8 synthetic test cases, calculated at one longitude between the Swarm-A/C satellites

\(MAE(\vec {J}_\perp )\) [A/km]

6.6

42.3%

8.3

37.5%

8.3

58.7%

8.4

79.6%

13.1

47.4%

9.1

72.8%

9.5

56.6%

7.8

40.2%

\(MAE(J_r)\) [nA/m\(^2\)]

1.6

70.8%

2.8

71.8%

1.0

22.7%

1.9

73.4%

1.7

50.0%

2.5

70.0%

0.8

29.3%

1.6

30.9%

\(MAE(\Delta \vec {B})\) [nT]

1.2

18.3%

2.7

13.5%

6.4

52.0%

7.7

73.5%

8.1

44.0%

3.6

46.7%

1.7

24.9%

2.2

14.4%