NOTICE ADVISORY TO NAVSTAR USERS (NANU) #055-97147
SUBJ: FORECAST OUTAGE PRN23 (SVN23) JDAY 147/1450 - UP TO 12 HOURS
1. CONDITION: GPS SATELLITE PRN23 (SVN23) IS SCHEDULED TO BE UNUSABLE
ON JDAY 147 (27 MAY 97) BEGINNING 1450 ZULU FOR UP TO 12 HOURS DUE TO
MAINTENANCE. SCHEDULED MAINTENANCE WILL NOT REPOSITION PRN23.
2. AFFECTED AREAS: GLOBAL.
3. POC: NAVIGATION ANALYST AT (719) 567-6378 OR DSN 560-6378.