Fig. 1


Download original image

(a) Geographical map with Digisondes (red triangle) and ionosondes (red circles) locations used in this study; lines show the magnetic equator and ±15°MLAT. (b) Example of global distribution of the F2 peak points as derived from COSMIC-2 RO observations during 24 hr (25 January 2020).

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.