NOTICE ADVISORY TO NAVSTAR USERS (NANU) #079-92117
SUBJ: PRN12 UNUSABLE 117/2201-117/2215
1. CONDITION: PRN12 (SVN10) WAS UNUSABLE ON DAY 117 (26 APR 92)
BEGINNING 2201 UTC UNTIL DAY 117 AT 2215 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.