NOTICE ADVISORY TO NAVSTAR USERS (NANU) #068-93083
SUBJ: PRN12 UNUSABLE 083/0342-083/0350
1. CONDITION: PRN12 (SVN10) WAS UNUSABLE ON DAY 083 (24 MAR 93)
BEGINNING 0342 UTC UNTIL DAY 083 AT 0350 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: CAPT HUTSELL AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.