NOTICE ADVISORY TO NAVSTAR USERS (NANU) #006-92020
SUBJ: PRN11 UNUSABLE 020/1800-020/1820
1. CONDITION: PRN11 (SVN8) WAS UNUSABLE ON DAY 020 (20 JAN 92)
BEGINNING 1800 UTC UNTIL DAY 020 AT 1820 UTC.
2. USERS OF GPS ARE CAUTIONED THAT THE SYSTEM IS NOT YET FULLY
OPERATIONAL. SIGNAL AVAILABILITY AND ACCURACY ARE SUBJECT TO CHANGE
DUE TO AN INCOMPLETE CONSTELLATION AND OPERATIONAL TEST ACTIVITIES.
3. POC: LT SKINNER AT COMMERCIAL (719) 550-6379 OR DSN 560-6379.