NOTICE ADVISORY TO NAVSTAR USERS (NANU) #077-92116
SUBJ: PRN6 USABLE 116/2100
1. CONDITION: PRN6 (SVN3) WAS UNUSABLE ON DAY 110 (19 APR 92)
BEGINNING 0830 UTC UNTIL DAY 116 AT 2100 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.