NOTICE ADVISORY TO NAVSTAR USERS (NANU) #031-93042
SUBJ: PRN11 UNUSABLE 042/1500-042/1509
1. CONDITION: PRN11 (SVN8) WAS UNUSABLE ON DAY 042 (11 FEB 93)
BEGINNING 1500 UTC UNTIL DAY 042 AT 1509 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.