NOTICE ADVISORY TO NAVSTAR USERS (NANU) #042-92084
SUBJ: PRN25 AVAILABILITY DELAY
1. PRN25 WILL NOT  BE AVAILABLE BY DAY 081 (21 MAR 92) AS EXPECTED.
FURTHER INFORMATION WILL BE PROVIDED WHEN AVAILABLE.
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) 550-6379 OR DSN 560-6379.