NOTICE ADVISORY TO NAVSTAR USERS (NANU) #019-92037
SUBJ: PRN12 UNUSABLE 037/1000-037/1013
1. CONDITION: PRN12 (SVN10) WAS UNUSABLE ON DAY 037 (06 FEB 92)
BEGINNING 1000 UTC UNTIL DAY 037 AT 1013 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) 550-6379 OR DSN 560-6379.