“…-Ionosphere -detection of solar events, solar radiation influence on detections of other phenomena, and ionospheric plasma modeling (Nina, Čadež, Srećković, & Šulić, 2011;Nina, Čadež, Srećković, & Šulić, 2012;Nina, Čadež, Šulić, Srećković, & Žigman, 2012;Nina & Čadež, 2013;Kolarski & Grubor, 2014;Nina & Čadež, 2014;Šulić & Srećković, 2014;Kolarski & Grubor, 2015;Nina, Simić, Srećković, & Popović, 2015;Blagojevic et al, 2016;Šulić, Srećković, & Mihajlov, 2016;Todorović Drakul et al 2016;Nina, Čadež, Popović, & Srećković, 2017;). -Telecommunications -signal propagation in perturbed ionosphere (Bajčetić, Nina, Čadež, & Todorović, 2015).…”