Abstract A comparison of non-linear monthly median foF2 versus R12 dependence with the CCIR recommended linear relation shows the advantage of using non-linear. Solar cycle foF2 variations are best represented by effective ionospheric indices of solar activity. The index F10.7 can give a hysteresis type of foF2 variations through the solar cycle but this effect may be explained with the help of present-day knowledge about EUV radiation.
On the dependence of monthly median foF2 on solar activity indices
Advances in Space Research ; 13 , 3 ; 71-74
1993-01-01
4 pages
Article (Journal)
Electronic Resource
English
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