NOTICE ADVISORY TO NAVSTAR USERS (NANU) #079-94056 SUBJ: PRN03 UNUSABLE 055/2358-UNTIL FURTHER NOTICE 1. CONDITION: PRN03 (SVN11) WAS UNUSABLE ON DAY 055 (24 FEB 94) BEGINNING 2358 UTC UNTIL FURTHER NOTICE. 2. POC: CAPT THOMPSON AT COMMERCIAL (719) 550-6378 OR SN 560-6378.