GNSS and SAR Signal Delay in Perturbed Ionospheric D-Region During Solar X-Ray Flares. - Aleksandra Nina; Giovanni Nico; Oleg Odalovic; Vladimir M. Cadez; Miljana Todorovic Drakul; Milan Radovanovic; Luka C. Popovic (IEEE Geosci. Remote. Sens. Lett., 2020)

Quiet Ionospheric D-Region (QIonDR) Model Based on VLF/LF Observations. - Aleksandra Nina; Giovanni Nico; Srdan T. Mitrovic; Vladimir M. Cadez; Ivana R. Milosevic; Milan Radovanovic; Luka C. Popovic (Remote. Sens., 2021)