NOTICE ADVISORY TO NAVSTAR USERS (NANU) #043-92081
SUBJ: PRN12 UNUSABLE 081/2205-081/2218
1. CONDITION: PRN12 (SVN10) WAS UNUSABLE ON DAY 081 (21 MAR 92)
BEGINNING 2205 UTC UNTIL DAY 081 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 (USA) AT (719) 550-6380 OR DSN 560-6380