NOTICE ADVISORY TO NAVSTAR USERS (NANU) #029-92057
SUBJ: PRN03 UNUSABLE 057/0020-057/0021
1. CONDITION: PRN03 (SVN11) WAS UNUSABLE ON DAY 057 (26 FEB 92)
BEGINNING 0020 UTC UNTIL DAY 057 AT 0021 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.