NOTICE ADVISORY TO NAVSTAR USERS (NANU) #077-96112
SUBJ: PRN18 UNUSABLE 112/0215 UNTIL FURTHER NOTICE
1. CONDITION: GPS SATELLITE PRN18 (SVN18) WAS UNUSABLE ON JDAY 112
(21 APR 96) BEGINNING 0215 ZULU UNTIL FURTHER NOTICE.
2. POC: NAVIGATION ANALYST AT COMMERCIAL (719) 567-6378 OR DSN
560-6378.