Table 2. List of problems reported by the processing Flag ‘Flags’.
From: Determining field-aligned currents with the Swarm constellation mission
Digit-Nr. | Value | Meaning of digit Flags > 0 |
|---|---|---|
1 | 0/N | Data gap < 5 sec; data were interpolated linearly; |
2 | 0/N | Data is in filter tuning range due to larger data gap before and/or after the gap (gap > 5 sec); 0 for single-satellite processing (no filter employed). |
3 | 0/N | no EST (external part of DST; Maus and Weidelt, 2004) data were available because no DST was available for magnetospheric field calculation; instead default value was used. |
4 | 0/N | no IST (internal part of DST; Maus and Weidelt, 2004) data were available because no DST was available for magnetospheric field calculation; instead default value was used. |
5 | 0/N | no Em (merging electric field; Kan and Lee, 1979) data was available because solar wind data were not available for magnetospheric field calculation; instead default value was used. |
6 | 0/N | no interplanetary magnetic field, IMF, was available for magnetospheric field calculation; instead default value was used. |
7 | 0/N | no solar flux parameter, F10.7, was available for magnetospheric field calculation; instead default value was used. |
8 | 0/N | No magnetospheric field coefficients were available; magnetospheric field is set to 0; resulting FACs are slightly less reliable. |
9 | 0/1 | IRC = NaN and FAC = NaN because latitude ǀθǀ > 86° near geogr. pole |
10 | 0/1 | FAC = NaN because inclination ǀIǀ < 30° nearmagn. Equator |