Open Access

Fig. 6

image

Download original image

The hourly averaged power spectrum of the signal registered by NS antenna of the ELF Hylaty station on January 25, 2005 (06:00–07:00 UTC, top panel) and the same power spectrum after reduction of a permanent noise shape 1/f 2 (bottom panel).

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.