NOTICE ADVISORY TO NAVSTAR USERS (NANU) #062-92100
SUBJ: PRN13 UNUSABLE 100/1200-100/1214
1. CONDITION: PRN13 (SVN9) WAS UNUSABLE ON DAY 100 (09 APR 92)
BEGINNING 1200 UTC UNTIL DAY 100 AT 1214 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.