NOTICE ADVISORY TO NAVSTAR USERS (NANU) #087-92120
SUBJ: PRN6 UNUSABLE 120/1317-120/1330
1. CONDITION: PRN6 (SVN11) WAS UNUSABLE ON DAY 120 (29 APR 92)
BEGINNING 1317 UTC UNTIL DAY 120 AT 1330 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.