NOTICE ADVISORY TO NAVSTAR USERS (NANU) #085-94059 SUBJ: PRN12 UNUSABLE 059/1019-059/1035 1. CONDITION: PRN12 (SVN10) WAS UNUSABLE ON DAY 059 (28 FEB 94) BEGINNING 1019 UTC UNTIL DAY 059 AT 1035 UTC. 2. POC: CAPT THOMPSON AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.