NOTICE ADVISORY TO NAVSTAR USERS (NANU) #066-90097
SUBJ: PRN18/SVN18 UNAVAILABLE
1. CONDITION: PRN18/SVN18 WAS UNAVAILABLE FROM 07 APR 90 (JULIAN
DAY 097) AT 0318 UTC UNTIL FURTHER NOTICE DUE TO ORBITAL ADJUST
MANEUVER.
2. RECOMMENDED ACTIONS: USERS SHOULD AVOID USING DATA FROM PRN18/
SVN18 BETWEEN THE ABOVE MENTIONED DATES AND TIMES. POC: MAJOR
FAUVER AT COMMERCIAL: (719)550-6379 OR AUTOVON: 560-6379.