NOTICE ADVISORY TO NAVSTAR USERS (NANU) #021-97066
SUBJ: PRN18 (SVN18) UNUSABLE JDAY 058/0748-058/0840
1. CONDITION: GPS SATELLITE PRN18 (SVN18) WAS UNUSABLE ON JDAY 058
(27 FEB 97) BEGINNING 0748 ZULU UNTIL JDAY 058  (27 FEB 97) AT
0840 ZULU.
2. POC: NAVIGATION ANALYST AT COMMERCIAL (719) 567-6378 OR DSN
560-6378.