NOTICE ADVISORY TO NAVSTAR USERS (NANU) #024-93033 SUBJ: PRN3 UNUSABLE 033/1534-033/1547 1. CONDITION: PRN3 (SVN11) WAS UNUSABLE ON DAY 033 (2 FEB 93) BEGINNING 1534 UTC UNTIL DAY 033 AT 1547 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: CPT JENSEN OR 1LT SKINNER AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.