European Space Agency, GFZ Helmholtz Centre for Geosciences, 2022, "GR_NE__KBR_2F", European Space Agency, https://doi.org/10.57780/esa-1b59315
| Variable Name | Type | Dim | Unit | Description |
|---|---|---|---|---|
| Timestamp | CDF_EPOCH | 1 | ms | Time of observation, UTC |
| Latitude | CDF_DOUBLE | 1 | deg | Middle point position between GRACE 1 and 2 satellites in ITRF – Geocentric latitude |
| Longitude | CDF_DOUBLE | 1 | deg | Middle point position between GRACE 1 and 2 satellites in ITRF – Geocentric longitude |
| Radius | CDF_DOUBLE | 1 | m | Middle point position between GRACE 1 and 2 satellites in ITRF – Geocentric radius (from the Earth centre) |
| LEO_Position | CDF_DOUBLE | 2x3 | m | X-, Y-, Z-coordinates of the GRACE 1 and 2 satellites |
| Distance | CDF_DOUBLE | 1 | m | Distance between GRACE 1 and 2 satellites |
| Relative_Hor_TEC | CDF_DOUBLE | 1 | TECU | Relative horizontal TEC between GRACE 1 and 2 satellites |
| Relative_Ne2 | CDF_DOUBLE | 1 | m-3 | Mean relative electron density of the area between GRACE 1 and 2 satellites |
| Absolute_Ne | CDF_DOUBLE | 1 | m-3 | Electron density between GRACE 1 and 2 satellites |