NOTICE ADVISORY TO NAVSTAR USERS (NANU) #053-93069
SUBJ: PRN12 UNUSABLE 069/0100-069/0113
1. CONDITION: PRN12 (SVN10) WAS UNUSABLE ON DAY 069 (10 MAR 93)
BEGINNING 0100 UTC UNTIL DAY 069 AT 0113 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.