Abstract The recent availability of new data sets during the recent extreme solar minimum provides an opportunity for testing the performance of the International Reference Ionosphere in historically undersampled regions. This study presents averages and variability of topside ionospheric densities over Africa as a function of season, local time, altitude, and magnetic dip latitude as measured by the Communication/Navigation Outage Forecast System (C/NOFS) satellite. The results are compared to the three topside model options available in IRI-2007. Overall, the NeQuick model is found to have the best performance, though during the deepest part of the solar minimum all three options significantly overestimate density.


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    Titel :

    Performance of the IRI-2007 model for equatorial topside ion density in the African sector for low and extremely low solar activity


    Beteiligte:
    Klenzing, J. (Autor:in) / Simões, F. (Autor:in) / Ivanov, S. (Autor:in) / Bilitza, D. (Autor:in) / Heelis, R.A. (Autor:in) / Rowland, D. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 52 , 10 ; 1780-1790


    Erscheinungsdatum :

    2012-01-01


    Format / Umfang :

    11 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch