NOTICE ADVISORY TO GALILEO USERS (NAGU) 2020004 DATE GENERATED (UTC): 2020-02-14 17:10 NAGU TYPE: GENERAL (TIMING UNP_UNUFN) NAGU NUMBER: 2020004 NAGU SUBJECT: GGTO UNAVAILABLE FROM 2020-02-14 UNTIL FURTHER NOTICE NAGU REFERENCED TO: N/A START DATE EVENT (UTC): 2020-02-14 13:11 END DATE EVENT (UTC): N/A SATELLITE AFFECTED: ALL EVENT DESCRIPTION: USERS ARE ADVISED THAT GGTO IS UNAVAILABLE SINCE 2020-02-14 BEGINNING 13:11 UTC UNTIL FURTHER NOTICE.