NOTICE ADVISORY TO NAVSTAR USERS (NANU) #041-93054
SUBJ: PRN12 UNUSABLE 054/1017-054/1046
1. CONDITION: PRN12 (SVN10) WAS UNUSABLE ON DAY 054 (23 FEB 93)
BEGINNING 1017 UTC UNTIL DAY 054 AT 1046 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 SKINNER AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.