NOTICE ADVISORY TO NAVSTAR USERS (NANU) #095-91140
SUBJ: FORECAST: PRN2 UNUSABLE 140/1500 FOR UP TO 18 HOURS
1. CONDITION: PRN2 (MCS: SVN13) IS SCHEDULED TO BE UNUSABLE ON DAY
140 (20 MAY 91) BEGINNING 1500 UTC FOR UP TO 18 HOURS. SHOULD THE
OUTAGE EXTEND MORE THAN 30 MINUTES BEYOND THE SCHEDULED WINDOW,
A SUPPLEMENTAL ADVISORY WILL BE ISSUED.
2. RECOMMENDATION: CONFIRM AVAILABILITY OF SATELLITES PRIOR TO USE.
3. POINT OF CONTACT: MAJOR FAUVER AT COMMERCIAL (719)550-6379
OR DSN: 560-6379.