NOTICE ADVISORY TO NAVSTAR USERS (NANU) #032-92059
SUBJ: PRN12 UNUSABLE 059/2153-059/2218
1. CONDITION: PRN12 (SVN10) WAS UNUSABLE ON DAY 059 (28 FEB 92)
BEGINNING 2153 UTC UNTIL DAY 059 AT 2218 UTC.
2. 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.
3. POC: 1LT WINGATE AT  (719) 550-6380 OR DSN 560-6380.