NOTICE ADVISORY TO NAVSTAR USERS (NANU) #068-94049 SUBJ: PRN03 USABLE 049/0645 1. CONDITION: PRN03 (SVN11) WAS UNUSABLE ON DAY 049 (18 FEB 94) BEGINNING 0515 UTC UNTIL DAY 049 AT 0645 UTC. 2. POC: CAPT THOMPSON AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.