GALOCAD GAlileo LOcal Component for nowcasting and forecasting Atmospheric Disturbances R. Warnant*, G. Wautelet*, S. Lejeune*, H. Brenot*, J. Spits*,
GALOCAD GA lileo LO cal C omponent for nowcasting and forecasting A tmospheric D isturbances
Monitoring the ionospheric activity using GNSS. From dual frequency GPS to multi-constellation multi-frequency GNSS R. Warnant, B. Bidaine, M. Lonchay,