NOTICE ADVISORY TO NAVSTAR USERS (NANU) #006-94010 SUBJ: PRN19 COURSE ACQUISITION (CA) CODE DEFICIENCY REF: NANUS 343-93294 AND 396-93337 1. CONDITION: THE CA CODE PROBLEM ON PRN19 WAS CORRECTED EFFECTIVE DAY 004 (4 JAN 94) AT 0000 UTC. PERFORMANCE IS NO LONGER DEGRADED. 2. POC: CAPT THOMPSON AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.