NOTICE ADVISORY TO NAVSTAR USERS (NANU) #015-91016
SUBJ: STATUS UPDATES FOR PRN9 & PRN23
1. CONDITION: PRN9 (MCS: SVN6) WILL BE USABLE ON DAY 16 (16 JAN 91)
BEGINNING AT 1912 UTC. USER RANGE ACCURACY (URA) FOR PRN9 WILL BE
FIXED AT 16 METERS. THIS MESSAGE SUPERSEDES NANUS 266-90345,
011-91010, AND 014-91014.
2. CONDITION: PRN23 URA VALUES HAVE NOT EXCEEDED 12 METERS OVER
THE PAST 24 HOURS. THIS MESSAGE SUPERSEDES NANU 012-91011.
3. RECOMMENDATION: USE PRN9 WITH CAUTION.
4. POINT OF CONTACT: MAJ WILLIAM FAUVER AT COMMERCIAL (719)550-6379
OR AUTOVON 560-6379.