NOTICE ADVISORY TO NAVSTAR USERS (NANU) #091-91124
SUBJ: PRN6 UNUSABLE 124/2201-124/2222
1. CONDITION: PRN6 (MCS: SVN3) WAS UNUSABLE ON DAY 124 (4 MAY 91)
BEGINNING AT 2201 UTC UNTIL DAY 124 AT 2222 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.