NOTICE ADVISORY TO NAVSTAR USERS (NANU) #037-93050
SUBJ: PRN25 USABLE 050/2053
REF: NANU 035-93050 (MSG DTG 191830Z FEB 93)
1. CONDITION: PRN25 (SVN25) WAS UNUSABLE ON DAY 050 (19 FEB 93)
BEGINNING 1820 UTC UNTIL DAY 050 AT 2053 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.