NOTICE ADVISORY TO NAVSTAR USERS (NANU) #051-97125
SUBJ: FORECAST OUTAGE PRN18 (SVN18) JDAY 125/2350 - UP TO 12 HOURS
1. CONDITION: GPS SATELLITE PRN18 (SVN18) IS SCHEDULED TO BE UNUSABLE
ON JDAY 125 (05 MAY 97) BEGINNING 2350 ZULU FOR UP TO 12 HOURS DUE TO
MAINTENANCE. SCHEDULED MAINTENANCE WILL NOT REPOSITION PRN18.
2. AFFECTED AREAS: GLOBAL.
3. POC: NAVIGATION ANALYST AT (719) 567-6378 OR DSN 560-6378.