Table 2 The rms values of the differences between the SACFM-3 and CHAOS-6- × 9 models at 667 satellite data centres on 1° × 1° grid, covering the whole modelled area, at 445 km and 0 km of altitude, and calculated at different epochs between 2014 and 2019.
Altitude | Comp | 2014.5 | 2015.5 | 2016.5 | 2017.5 | 2018.5 | 2019.5 |
|---|---|---|---|---|---|---|---|
445 km | ΔX | 89 | 96 | 95 | 95 | 89 | 92 |
ΔY | 22 | 23 | 23 | 23 | 24 | 23 | |
ΔZ | 71 | 76 | 73 | 74 | 72 | 71 | |
ΔF | 23 | 24 | 23 | 23 | 23 | 22 | |
0 km | ΔX | 118 | 125 | 123 | 123 | 117 | 120 |
ΔY | 43 | 48 | 45 | 47 | 46 | 47 | |
ΔZ | 89 | 88 | 88 | 88 | 86 | 84 | |
ΔF | 53 | 49 | 49 | 50 | 49 | 48 |