NOTICE ADVISORY TO NAVSTAR USERS (NANU) #039-93053
SUBJ: PRN3 UNUSABLE 052/0600-052/0609
1. CONDITION: PRN3 (SVN11) WAS UNUSABLE ON DAY 052 (21 FEB 93)
BEGINNING 0600 UTC UNTIL DAY 052 AT 0609 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.