| Term: | Index |
| Definition: |
A set of derived variables frequently used to parameterise Space Weather conditions and as input to models. The default sets of indices are: Solar activity and geomagnetism: PC, AE, Ap, Kp, Dst, IG12, IMF, R, R12, F10.7, S10, E10, M10, Y10; Ionospheric scintillation: S4, sigma_phi, fading depth, fade duration, time between fades. |