NOTICE ADVISORY TO NAVSTAR USERS (NANU) #029-96037 SUBJ: PRN16 UNUSABLE 037/0556 UNTIL FURTHER NOTICE 1. CONDITION: GPS SATELLITE PRN16 (SVN16) WAS UNUSABLE ON JDAY 037 (06 FEB 96) BEGINNING 0556 ZULU UNTIL FURTHER NOTICE. 2. POC: NAVIGATION ANALYST AT COMMERCIAL (719) 567-6378 OR DSN 560-6378.