@Article{Kane:1992:SoCyVa,
               author = "Kane, Rajaram Purushottam",
                title = "Solar Cycle Variation of FOF2",
              journal = "EOS Transactions",
                 year = "1992",
               volume = "54:",
               number = "9",
                pages = "1201--1205",
             keywords = "GEOFISICA ESPACIAL.",
             abstract = "For solar cycle 19 (1954-1964), the 12 monthly mean values of 
                         noon-time foF2 at Ahmedabad (23 degrees N, 73 degrees E) show a 
                         large hysteresis effect when plotted against sunspot number or 
                         against geomagnetic Ap. However, a multiple regression analysis 
                         for the dependence of foF2 on solar 2800 MHz flux and geomagnetic 
                         Ap simultaneously, shows a better matching. Thus, long-term 
                         predictions need to take into account not just sunspot number but 
                         some solar index and geomagnetic index as two key parameters, 
                         simultaneously.",
                 issn = "2324-9250",
                label = "3059",
           targetfile = "5452.pdf",
        urlaccessdate = "02 maio 2024"
}