NOTICE ADVISORY TO NAVSTAR USERS (NANU) #036-90051
SUBJ: PRN16 UNUSABLE 51/1200-51/1252
1. CONDITION: PRN16 WAS UNUSABLE BEGINNING 20 FEB 90 (DAY 51) AT
1200UTC UNTIL 20 FEB 90 ENDING 1252UTC.
2. RECOMMENDATION: USE OF PRN16 DATA DURING THIS PERIOD IS NOT
RECOMMENDED.
3. POINT OF CONTACT: MAJ WILLIAM FAUVER AT COMMERCIAL (719)550-
6379 OR AUTOVON 560-6379.