DATE GENERATED (UTC): 2013-09-10 15:15
NAGU TYPE: GENERAL
NAGU NUMBER: 2013011
NAGU SUBJECT: UNVAILABILITY DUE TO SYSTEM UPGRADE
EVENT DESCRIPTION: FROM 2013-09-11 UNTIL 2013-10-16 ALL GALILEO SATELLITES WILL BE EITHER NOT TRANSMITTING OR BROADCASTING DUMMY NAVIGATION MESSAGE