NOTICE ADVISORY TO NAVSTAR USERS (NANU) #013-91014
SUBJ: PRN13 (MCS:SVN9) UNUSABLE/USABLE
1. CONDITION: PRN13 (MCS:SVN9) WAS UNUSABLE ON DAY 014 (14 JAN
91)
BEGINNING 2100 UTC UNTIL DAY 014 (14 JAN 91) AT 2145 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.