NOTICE ADVISORY TO NAVSTAR USERS (NANU) #421-94001 SUBJ: PRN03 UNUSABLE 001/0650-001/0835 1. CONDITION: PRN03 (SVN11) WAS UNUSABLE ON DAY 001 (01 JAN 94) BEGINNING 0650 UTC UNTIL DAY 001 AT 0835 UTC. 2. POC: CAPT THOMPSON AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.