Hedi I, Cirikovic E, Borkovic Z, Filjar R. A method for Assemblage of an Open Access Data Set for Research in Geomagnetic Effects on GPS/GNSS Ionospheric Delay in Sub-equatorial Regions. The Journal of CIEES [Internet]. 2023 May 30 [cited 2023 Nov. 29];3(1):7-11. Available from: https://journal.ciees.eu/index.php/ojs/article/view/35