NOTICE ADVISORY TO GALILEO USERS (NAGU) 2018017 DATE GENERATED (UTC): 2018-07-26 10:40 NAGU TYPE: GENERAL NAGU NUMBER: 2018017 NAGU SUBJECT: LAUNCH OF GSAT0219, GSAT0220, GSAT0221 AND GSAT0222 NAGU REFERENCED TO: N/A START DATE EVENT (UTC): 2018-07-25 11:25 END DATE EVENT (UTC): N/A SATELLITE AFFECTED: GSAT0219, GSAT0220, GSAT0221, GSAT0222 EVENT DESCRIPTION: GALILEO SATELLITES GSAT0219 (SVID 36), GSAT0220 (SVID 13), GSAT0221 (SVID 15) AND GSAT0222 (SVID 33) WERE LAUNCHED ON 2018-07-25 AT 11:25 UTC. GSAT0219, GSAT0220, GSAT0221 AND GSAT0222 ARE PLANNED TO BE POSITIONED IN SLOTS B04, B01, B02 AND B07 OF THE CONSTELLATION. USERS WILL BE ADVISED OF AVAILABILITY OF SIGNALS FOLLOWING COMPLETION OF COMMISSIONING ACTIVITIES.