NOTICE ADVISORY TO NAVSTAR USERS (NANU) #008-94012 SUBJ: PRN13 UNUSABLE 011/1357-011/1400 1. CONDITION: PRN13 (SVN09) WAS UNUSABLE ON DAY 011 (11 JAN 94) BEGINNING 1357 UTC UNTIL DAY 011 AT 1400 UTC. 2. POC: CAPT THOMPSON AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.