NOTICE ADVISORY TO NAVSTAR USERS (NANU) #059-92101
SUBJ: FORECAST OUTAGE PRN12 DAY 101/0935 UTC FOR UP TO 8 HOURS
1. CONDITION: PRN12 (SVN10) IS EXPECTED TO BE UNUSABLE ON DAY
101 (10 APR 92) BEGINNING 0935 UTC FOR UP TO 8 HOURS DUE TO
SCHEDULED MAINTENANCE. THE HISTORICAL MINIMUM FOR THIS TYPE
OF MAINTENANCE IS 5 HOURS.
2. THIS SCHEDULED MAINTENANCE WILL REPOSITION PRN12. USERS ARE
REMINDED TO UPDATE ALMANACS IF NECESSARY.
3. AFFECTED AREAS: SOUTH AMERICA THROUGH THE NORTH ATLANTIC REGION,
EUROPE, AFRICA, AND THE INDIAN OCEAN REGION.
4. USERS OF GPS ARE CAUTIONED THAT THE SYSTEM IS NOT YET FULLY
OPERATIONAL. SIGNAL AVAILABILITY AND ACCURACY ARE SUBJECT TO CHANGE
DUE TO AN INCOMPLETE CONSTELLATION AND OPERATIONAL TEST ACTIVITIES.
5. POC: LT. SKINNER AT (719) 550-6378 OR DSN 560-6378.