NOTICE ADVISORY TO NAVSTAR USERS (NANU) #087-91119
SUBJ: UNUSABLE: PRN12 119/1700-119/1710 AND PRN11 119/2300-119/2322
1. CONDITION: PRN12 (MCS: SVN10) WAS UNUSABLE ON DAY 119 (29 APR 91)
BEGINNING 1700 UTC UNTIL DAY 119 AT 1710 UTC. PRN11 (MCS: SVN8) WAS
UNUSABLE ON DAY 119 (29 APR 91) BEGINNING 2300 UTC UNTIL DAY 119 AT
2322 UTC.
2. RECOMMENDATION: CONFIRM AVAILABILITY OF SATELLITES PRIOR TO USE.
3. POINT OF CONTACT: MAJOR FAUVER AT COMMERCIAL (719)550-6379
OR DSN: 560-6379.