NOTICE ADVISORY TO GALILEO USERS (NAGU) 2018015 DATE GENERATED (UTC): 2018-07-18 10:40 NAGU TYPE: USABLE NAGU NUMBER: 2018015 NAGU SUBJECT: USABLE AS FROM 2018-07-17 NAGU REFERENCED TO: 2018014 START DATE EVENT (UTC): 2018-07-17 10:20 END DATE EVENT (UTC): N/A SATELLITE AFFECTED: GSAT0103 SPACE VEHICLE ID: 19 SIGNAL(S) AFFECTED: ALL EVENT DESCRIPTION: GALILEO SATELLITE GSAT0103 (ALL SIGNALS) IS USABLE SINCE/AS OF 2018-07-17 BEGINNING 10:20 UTC. PAYLOAD ON PHM CLOCK. GALILEO SATELLITE GSAT0103 (ALL SIGNALS) WAS UNAVAILABLE FROM 2018-07-13 BEGINNING 00:00 UTC.