NOTICE ADVISORY TO NAVSTAR USERS (NANU) #030-92058
SUBJ: PRN12 UNUSABLE 058/1711-058/1737
1. CONDITION: PRN12 (SVN10) WAS UNUSABLE ON DAY 058 (27 FEB 92)
BEGINNING 1711 UTC UNTIL DAY 058 AT 1737 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) 550-6379 OR DSN 560-6379.