Download original image
Geographical distribution of the GPS receivers (blue triangle), ionosonde stations (green circle), Navy stations (red pentagon), and VLF receiver (magenta diamond). The gray colored circle line indicates the path of the eclipse shadow of the obscuration at ground level.
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.