NOTICE ADVISORY TO NAVSTAR USERS (NANU) #096-94072 SUBJ: PRN12 SET USABLE DAY 072 AT 1615 UTC 1. CONDITION: PRN12 (SVN10) WAS USABLE ON DAY 072 (13 MAR 94) BEGINNING 1615 UTC. 2. POC: CAPT THOMPSON AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.