NOTICE ADVISORY TO NAVSTAR USERS (NANU) #014-92033 SUBJ: PRN11 UNUSABLE 033/1000-033/1014 1. CONDITION: PRN11 (SVN08) WAS UNUSABLE ON DAY 033 (02 FEB 92) BEGINNING 1000 UTC UNTIL DAY 033 AT 1014 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 WINGATE AT (719) 550-6379 OR DSN 560-6379.