NOTICE ADVISORY TO NAVSTAR USERS (NANU) #025-92051
SUBJ: PRN12 UNUSABLE 051/0800-051/0814
1. CONDITION: PRN12 (SVN10) WAS UNUSABLE ON DAY 051 (20 FEB 92)
BEGINNING 0800 UTC UNTIL DAY 051 AT 0814 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 INGEGNERI AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.