NOTICE ADVISORY TO GALILEO USERS (NAGU) 2023018 DATE GENERATED (UTC): 2023-03-23 11:00 NAGU TYPE: GENERAL (NOTICE) NAGU NUMBER: 2023018 NAGU SUBJECT: TESTING ACTIVITIES NAGU REFERENCED TO: N/A START DATE EVENT (UTC): 2023-03-27 07:00 END DATE EVENT (UTC): 2023-03-30 07:00 SATELLITE AFFECTED: ALL EVENT DESCRIPTION: A TEST CAMPAIGN IS PLANNED STARTING ON 2023-03-27 AT 07:00 UTC UNTIL 2023-03-30 AT 07:00 UTC. DURING THIS PERIOD LIMITED PERFORMANCE DEGRADATIONS COULD BE OBSERVED WITH REGARDS TO THE GALILEO OS AND HAS TYPICAL OBSERVED PERFORMANCE. THE SIGNAL IN SPACE WILL REMAIN COMPLIANT WITH THE PUBLISHED OS AND HAS SIGNAL IN SPACE INTERFACE CONTROL DOCUMENTS.