NOTICE ADVISORY TO NAVSTAR USERS (NANU) #072-94050 SUBJ: PRN3 UNUSABLE 050/1730 1. CONDITION: PRN03 (SVN11) IS UNUSABLE AS OF DAY 050 (19 FEB 94) BEGINNING 1730 UTC UNTIL FURTHER NOTICE. 2. POC: CAPT THOMPSON AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.