NOTICE ADVISORY TO GALILEO USERS (NAGU) 2026029 DATE GENERATED (UTC): 2026-04-29 10:30 NAGU TYPE: GENERAL (NOTICE) NAGU NUMBER: 2026029 NAGU SUBJECT: GALILEO SATELLITES MAINTENANCE COMPLETION NAGU REFERENCED TO: 2026015, 2026017, 2026018, 2026021, 2026023, 2026024, 2026026, 2026028 START DATE EVENT (UTC): 2026-04-28 22:36 END DATE EVENT (UTC): N/A SATELLITE AFFECTED: GSAT0219, GSAT0222, GSAT0225, GSAT0220, GSAT0217, GSAT0214, GSAT0215 AND GSAT0213 EVENT DESCRIPTION: GALILEO SATELLITES GSAT0219, GSAT0222, GSAT0225, GSAT0220, GSAT0217, GSAT0214, GSAT0215 AND GSAT0213 HAVE BEEN UPGRADED TO ENABLE THE BROADCAST OF THE E5 QUASI-PILOT SIGNAL COMPONENT. THESE SATELLITES ARE NOW BROADCASTING THE E5 QUASI-PILOT SIGNAL COMPONENT. FOR MORE DETAILS ABOUT THE E5 QUASI-PILOT REFER TO THE OS SIS ICD.