NOTICE ADVISORY TO GALILEO USERS (NAGU) 2015001 DATE GENERATED (UTC): 2015-02-26 09:00 NAGU TYPE: GENERAL NAGU NUMBER: 2015001 NAGU SUBJECT: SYSTEM TESTING FOLLOWING GROUND SEGMENT UPGRADE NAGU REFERENCED TO: 2014041 START DATE EVENT (UTC): 2015-03-01 00:00 END DATE EVENT (UTC): 2015-04-20 23:59 SATELLITE AFFECTED: ALL EVENT DESCRIPTION: FOLLOWING THE COMPLETION OF GROUND SEGMENT UPGRADES, THE SYSTEM WILL BE UNDERGOING A SERIES OF NON-REGRESSION TESTING. PENDING COMPLETION OF TESTS, USERS ARE ADVISED THAT GALILEO SATELLITES (ALL SIGNALS) WILL CONTINUE TO BE DECLARED UNAVAILABLE FROM 2015-03-01 UNTIL 2015-04-20.