NOTICE ADVISORY TO NAVSTAR USERS (NANU) #031-95049 SUBJ: PRN25 UNUSABLE 049/1505-049/1508 1. CONDITION: PRN25 (SVN25) WAS UNUSABLE ON DAY 049 (18 FEB 95) BEGINNING 1505 UTC UNTIL DAY 049 AT 1508 UTC. 2. POC: CPT PETERSON AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.