NOTICE ADVISORY TO NAVSTAR USERS (NANU) #095-93105 SUBJ: PRN11 UNUSABLE 105/0500-105/0530 1. CONDITION: PRN11 (SVN8) WAS UNUSABLE ON DAY 105 (15 APR 93) BEGINNING 0500 UTC UNTIL DAY 105 AT 0530 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.