Fig. 6
From: A statistical analysis of Pc1–2 waves at a near-cusp station in Antarctica
Daily variation in ULF events. The UT distribution of events, normalized to the available data for each time interval, for the entire time interval, 2003–2010, and separately for summer, equinoctial, and winter months. For each time interval, the number of total events is indicated in parentheses. The vertical lines at approximately 08 UT and 20 UT indicate the magnetic midnight and noon, respectively