NOTICE ADVISORY TO NAVSTAR USERS (NANU) #276-90365
SUBJ: PRN16 FORECAST OUTAGE
1. CONDITION: PRN16 (MCS: SVN16) WILL BE UNUSABLE ON DAY 007 (07
JAN 91) BEGINNING APPROXIMATELY 1200 UTC FOR UP TO 72 HOURS DUE TO
SCHEDULED MAINTENANCE. PRN16'S FREQUENCY STANDARD WILL BE CHANGED
TO CESIUM.
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.