Open Access
Table A
Description of variables in the daily NeGIX data product
| Name | Description | Unit |
|---|---|---|
| Timestamp | Time in Universal Time | |
| Longitude | Position of NeGIX in geocentric longitude. Averaged longitude position of the central points (CPs) derived from the combination of Ne measurements of Swarm A and C. | deg |
| Latitude | Position of NeGIX in geocentric latitude. Averaged latitude position of the central points (CPs) derived from the combination of Ne measurements of Swarm A and C. | deg |
| Distance | Averaged distance (Δs) value from all dipoles used for the estimation of NeGIX values | m |
| Azimuth | Averaged azimuth (δ) value from all dipoles used for the estimation of NeGIX values | deg |
| Negix_X | Mean value of NeGIX for the West-East component | cm−3 m−1 |
| Negix_X_Sigma | Standard deviation value of NeGIX for the West-East component | cm−3 m−1 |
| Negix_X_P95 | 95th-percentile value of NeGIX for the West-East component | cm−3 m−1 |
| Negix_Y | Mean value of NeGIX for the South-North component | cm−3 m−1 |
| Negix_Y_Sigma | Standard deviation value of NeGIX for the South-North component | cm−3 m−1 |
| Negix_Y_P95 | 95th-percentile value of NeGIX for the South-North component | cm−3 m−1 |
| Negix_Total | Total vector value of NeGIX, derived from the mean West-East and South-North components | cm−3 m−1 |
| Negix_Sigma | Vector value of the standard deviation of NeGIX, derived from the standard deviation values of West-East and South-North components | cm−3 m−1 |
| Negix_P95 | Vector value of the 95th-percentile of NeGIX, derived from the 95th-percentile values of West-East and South-North components | cm−3 m−1 |
| N_Measurements | Number of elements for a data record from which NeGIX is determined | |
| Flag_Negix | Flags characterizing the dispersion of gradient values that are used to compute the total vector Negix_Total | |
| Orbit_Label | Value defining whether the magnitude belongs to an ascending or descending orbit of the Swarm satellites |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.