NOTICE ADVISORY TO NAVSTAR USERS (NANU) #253-92287
SUBJ: PRN3 UNUSABLE 285/1239-285/1240
1. CONDITION: PRN3 (SVN11) WAS UNUSABLE ON DAY 285 (11 OCT 92)
BEGINNING 1239 UTC UNTIL DAY 285 AT 1240 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: 1LT SKINNER AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.