NOTICE ADVISORY TO NAVSTAR USERS (NANU) #329-92357 SUBJ: PRN11 UNUSABLE 357/0630-357/0645 1. CONDITION: PRN11 (SVN8) WAS UNUSABLE ON DAY 357 (22 DEC 92) BEGINNING 0630 UTC UNTIL DAY 357 AT 0645 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.