NOTICE ADVISORY TO NAVSTAR USERS (NANU) #020-94021 SUBJ: PRN03 UNUSABLE 021/0600-021/0610 1. CONDITION: PRN03 (SVN11) WAS UNUSABLE ON DAY 021 (21 JAN 94) BEGINNING 0600 UTC UNTIL DAY 021 AT 0610 UTC. 2. POC: CAPT THOMPSON AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.