Open Access

Figure 2.


Download original image

Comparison of the scintillation index S4 for the different signals of GPS satellite 25 at the 11th April 2013 in Bahir Dar, Ethiopia. The colored solid lines are averages of the S4 value in the time interval [18:00, 19:30] UTC.

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.