NOTICE ADVISORY TO NAVSTAR USERS (NANU) #090-92128
SUBJ: FORECAST OUTAGE PRN24 DAY 128/0315 UTC FOR UP TO 8 HOURS
1. CONDITION: PRN24 (SVN24) IS EXPECTED TO BE UNUSABLE ON DAY
128 (7 MAY 92) BEGINNING 0315 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 PRN24. USERS ARE
REMINDED TO UPDATE ALMANACS IF NECESSARY.
3. AFFECTED AREAS: EASTERN NORTH AMERICA THROUGH THE ATLANTIC OCEAN,
EASTERN SOUTH AMERICA, TO SOUTHERN AFRICA.
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 WINGATE AT (719) 550-6378 OR DSN 560-6378.