NOTICE ADVISORY TO NAVSTAR USERS (NANU) #065-90095
SUBJ: PRN3 FORECAST UNUSABLE 98/0400-98/1000
1. CONDITION: PRN3 IS EXPECTED TO BE UNUSABLE ON DAY 98 (8 APR 90)
BEGINNING APPROXIMATELY 0400UTC FOR A PERIOD UP TO SIX HOURS (1000
UTC).
2. RECOMMENDATION: CONFIRM AVAILABILITY OF GPS SATELLITES PRIOR TO
USE.
3. POINT OF CONTACT: MAJ WILLIAM FAUVER AT COMMERCIAL (719)550-6379
OR AUTOVON 560-6379.