Author: Nuccio Di Sclafani Dear colleagues, Because of a power outage on BZRG station, data from 2019-12-01 10:32 to 2019-12-10 11:36 and from 2019-12-12 09:53 UTC to 2019-12-17 06:34 are lost. We apologies for the inconvenience. Best regards, Nuccio Di Sclafani