NOTICE ADVISORY TO NAVSTAR USERS (NANU) #035-92071
SUBJ: FORECAST OUTAGE PRN13 DAY 071/0330 UTC FOR UP TO 8 HOURS
1. CONDITION: PRN13 (SVN9) IS EXPECTED TO BE UNUSABLE ON DAY 071
(11 MAR 92) BEGINNING 0330 UTC FOR UP TO 8 HOURS DUE TO SCHEDULED
MAINTENANCE. HISTORICALLY, THE MINIMUM TIME FOR THIS TYPE OF
OUTAGE IS 5 HOURS.
2. THIS SCHEDULED MAINTENANCE WILL REPOSITION PRN13 AND USERS ARE
ADVISED TO UPDATE ALMANACS FOLLOWING THE EVENT.
3. 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.
4. POC: 1LT INGEGNERI AT COMMERCIAL (719) 550-6379 OR DSN 560-6379.