NOTICE ADVISORY TO NAVSTAR USERS (NANU) #032-95050 SUBJ: PRN12 UNUSABLE 050/0224-050/0238 1. CONDITION: PRN12 (SVN10) WAS UNUSABLE ON DAY 050 (19 FEB 95) BEGINNING 0224 UTC UNTIL DAY 050 AT 0238 UTC. 2. POC: LT ALBERTS AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.