NOTICE ADVISORY TO NAVSTAR USERS (NANU) #010-91009
SUBJ: PRN 03 USABLE 09/1855 UTC (REF: NANU# 001-91002)
1. CONDITION: PRN 3 WAS USABLE ON DAY 009 (09 JAN 91) BEGINNING
APPROXIMATELY 1855 UTC FOLLOWING SCHEDULED MAINTENANCE.
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.