NOTICE ADVISORY TO NAVSTAR USERS (NANU) #073-94051 SUBJ: PRN03 USABLE 051/2235 1. CONDITION: PRN03 (SVN11) WAS SET USABLE ON DAY 051 (20 FEB 94) AT 2235 UTC. 2. POC: CAPT THOMPSON AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.