NOTICE ADVISORY TO NAVSTAR USERS (NANU) #020-92040
SUBJ: PRN3 UNUSABLE 040/1123-040/1145
1. CONDITION: PRN3 (SVN11) WAS UNUSABLE ON DAY 040 (9 FEB 92)
BEGINNING 1123 UTC UNTIL DAY 040 AT 1145 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 INGEGNERI AT COMMERCIAL (719) 550-6379 OR DSN 560-6379.