# Code table 4.2 - Parameter number by product discipline and parameter category
0 0 Scintillation index (sigma phi) (rad)
1 1 Scintillation index S4 (Numeric)
2 2 Rate of Change of TEC Index (ROTI) (TECU/min)
3 3 Disturbance Ionosphere Index Spatial Gradient (DIXSG) (Numeric)
4 4 Along Arc TEC Rate (AATR) (TECU/min)
5 5 Kp (Numeric)
6 6 Equatorial disturbance storm time index (Dst) (nT)
7 7 Auroral Electrojet (AE) (nT)
255 255 Missing
