| Bit No. |
Flag Value |
Description |
Unit |
Status |
| 0 |
|
Scintillation index (sigma phi) |
rad |
Operational |
| 1 |
|
Scintillation index S4 |
Numeric |
Operational |
| 2 |
|
Rate of Change of TEC Index (ROTI) |
TECU/min |
Operational |
| 3 |
|
Disturbance Ionosphere Index Spatial Gradient (DIXSG) |
Numeric |
Operational |
| 4 |
|
Along Arc TEC Rate (AATR) |
TECU/min |
Operational |
| 5 |
|
Kp |
Numeric |
Operational |
| 6 |
|
Equatorial disturbance storm time index (Dst) |
nT |
Operational |
| 7 |
|
Auroral Electrojet (AE) |
nT |
Operational |
| 8-191 |
|
Reserved |
|
Operational |
| 192-254 |
|
Reserved for local use |
|
Operational |
| 255 |
|
Missing |
|
Operational |