Download original image
Scintillation indices (S4 – bottom panel and σϕ – top panel) maps as a function of the local time and IPP latitude for 26 March 2011 for the GPS L1C/A signal.
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.