NOTICE ADVISORY TO NAVSTAR USERS (NANU) #026-92052
SUBJ: PRN11 UNUSABLE 052/0500-0514 AND PRN13 UNUSABLE 053/0451-0505
1. CONDITION: PRN11 (SVN8) WAS UNUSABLE ON DAY 052 (21 FEB 92)
BEGINNING 0500 UTC UNTIL DAY 052 AT 0514 UTC.
2. CONDITION: PRN13 (SVN9) WAS UNUSABLE ON DAY 053 (22 FEB 92)
BEGINNING 0451 UTC UNTIL DAY 053 AT 0505 UTC.
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.