NOTICE ADVISORY TO NAVSTAR USERS (NANU) #021-92050
SUBJ: FORECAST OUTAGE PRN14 DAY 050/1630 UTC FOR UP TO 8 HOURS
1. CONDITION: PRN14 (SVN14) IS EXPECTED TO BE UNUSABLE ON DAY
050 (19 FEB 92) BEGINNING 1630 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 PRN14 AND USERS ARE
ADVISED TO UPDATE ALMANACS FOLLOWING THE EVENT.
3. AFFECTED AREAS: NORTH PACIFIC OCEAN, ALASKA, TO CANADA,GREENLAND
AND NORTHERN ASIA.
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: 1LT INGEGNERI AT COMMERCIAL (719) 550-6379 OR DSN 560-6379.