NOTICE ADVISORY TO NAVSTAR USERS (NANU) #023-92043
SUBJ: PRN12 USABLE 043/2220
1. CONDITION: PRN12 (SVN10) WAS UNUSABLE ON DAY 037 (6 FEB 92)
BEGINNING 1830 UTC UNTIL DAY 043 AT 2220 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.