NOTICE ADVISORY TO NAVSTAR USERS (NANU) #027-90037
SUBJ: PRN16 UNUSABLE 39/1400-40/0200 UTC FOR MAINTENANCE
1. BEGINNING 1400 UTC UNTIL 9 FEB 90 (DAY 40) ENDING 0200 UTC.
2. RECOMMENDED ACTIONS: AVOID ACTIVITES REQUIRING PRN16 IN
NAVIGATION, TIME TRANSFER, OR SURVEYING SOULUTIONS.
3. POINT OF CONTACT: MAJOR WILLIAM FAUVER AT COMMERCIAL (719)550-
6379 OR AUTOVON 560-6379.