Fig. 2


Download original image

Results from the gradient TEC method on the quiet day 1st August 2019 at 08:15 UT (left) and at the same time but for the disturbed day 5 August 2019 (right) when a moderate geomagnetic storm was in its main phase.

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.