NOTICE ADVISORY TO NAVSTAR USERS (NANU) #104-90143
SUBJ: PRN2 FORECAST UNUSABLE 145/1200-146/0230
1. CONDITION: PRN2 IS EXPECTED TO BE UNUSABLE ON DAY 145 (25 MAY
90) AT 1200 UTC. THE OUTAGE WILL LAST FOR UP TO FOURTEEN AND ONE-
HALF HOURS (UNTIL APPROXIMATELY DAY 146 AT 0230 UTC).
2. RECOMMENDATION: CONFIRM AVAILABILITY OF SATELLITES PRIOR TO USE.
3. POINT OF CONTACT: MAJ WILLIAM FAUVER AT COMMERCIAL (719)550-6379
OR AUTOVON 560-6379.