NOTICE ADVISORY TO NAVSTAR USERS (NANU) #078-93089 SUBJ: PRN7 LAUNCH 1. CONDITION: PRN7 (SVN37) WAS LAUNCHED ON DAY 089 (30 MAR 93) AT 0309 UTC. PRN7 WILL RESIDE IN THE C3 SLOT. 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.