4623 20200127110934.0 CTALK-2020-0052 Bergeot, N. GNSS-based empirical models for inter-hemispheric comparison of the ionosphere-plasmasphere system at mid-latitude 2019 2019-08-19 BEZACOM/ BEZACOM/ BEZACOM STCE Habarulema, J. B. Chevalier, J.-M. Pinat, E. Cilliers, P. J. Beacon Satellite Symposium, Olsztyn, Poland jean-marie.chevalier@observatoire.be Contributed CTALKCONT