NOTICE ADVISORY TO NAVSTAR USERS (NANU) #060-92099 SUBJ: PRN3 UNUSABLE 098/1746-099/1055 DISREGARD NOTICE ADVISORY 057-92098 DTG 080130Z 1. CONDITION: PRN3 (SVN11) WAS UNUSABLE ON DAY 098 (7 APR 92) BEGINNING 1746 UTC UNTIL DAY 099 AT 1055 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) 550-6378 OR DSN 560-6378.