Solar, ionospheric and geomagnetic indices

Main Article Content

L. Perrone
G. De Franceschi


The most common solar, ionospheric and geomagnetic indices are here presented with particular reference to their application for radiocommunication prediction purposes. Summary tables of practical use are also included concerning the method of derivation of the indices, their time interval, their drawbacks, their time-history and the INTERNET node addresses where they are available.

Article Details

How to Cite
Perrone, L. and De Franceschi, G. (1998) “Solar, ionospheric and geomagnetic indices”, Annals of Geophysics, 41(5-6). doi: 10.4401/ag-3824.