NOTICE ADVISORY TO NAVSTAR USERS (NANU) #048-92086
SUBJ: PRN13 UNUSABLE 086/0251-086/0259
1. CONDITION: PRN13 (SVN09) WAS UNUSABLE ON DAY 086 (26 MAR 92)
BEGINNING 0251 UTC UNTIL DAY 086 AT 0259 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: CAPT DODD AT COMMERCIAL (719) 550-6379 OR DSN 560-6379.