| Number (In Section 4, octet 11) |
Parameter | Units |
Abbrev |
|---|---|---|---|
| 0 | Scintillation Index (sigma phi) | rad | SCINIDX |
| 1 | Scintillation Index S4 | Numeric | SCIDEXS4 |
| 2 | Rate of Change of TEC Index (ROTI) | TECU/min | ROTIDX |
| 3 | Disturbance Ionosphere Index Spatial Gradient (DIXSG) | Numeric | DIDXSG |
| 4 | Along Arc TEC Rate (AATR) | TECU/min | AATRATE |
| 5 | Kp | Numeric | KP |
| 6 | Equatorial Disturbance Storm Time Index (Dst) | nT | EDISSTIX |
| 7 | Auroral Electrojet (AE) | nT | AURELEC |
| 8-191 | Reserved | ||
| 192-254 | Reserved for Local Use | ||
| 255 |
Missing |