NOTICE ADVISORY TO GALILEO USERS (NAGU) 2017027 DATE GENERATED (UTC): 2017-06-29 10:00 NAGU TYPE: USABLE NAGU NUMBER: 2017027 NAGU SUBJECT: USABLE AS FROM 2017-06-27 NAGU REFERENCED TO: 2017025 START DATE EVENT (UTC): 2017-06-27 19:25 END DATE EVENT (UTC): N/A SATELLITE AFFECTED: GSAT0203 SPACE VEHICLE ID: 26 SIGNAL(S) AFFECTED: ALL EVENT DESCRIPTION: GALILEO SATELLITE GSAT0203 (ALL SIGNALS) IS USABLE SINCE/AS OF 2017-06-27 BEGINNING 19:25 UTC. PAYLOAD ON PHM CLOCK. GALILEO SATELLITE GSAT0203 (ALL SIGNALS) WAS UNAVAILABLE FROM 2017-06-08 BEGINNING 12:53 UTC.