NOTICE ADVISORY TO NAVSTAR USERS (NANU) #083-94059 SUBJ: PRN3 UNUSABLE 058/0233-UFN 1. CONDITION: PRN3 (SVN11) WAS UNUSABLE ON DAY 058 (27 FEB 94) BEGINNING 0233 UTC UNTIL FURTHER NOTICE. USERS SHOULD HAVE BEEN UNABLE TO USE PRN3 FOR A NAVIGATION SOLUTION BEGINNING AT 0320 UTC DUE TO A HEALTH CHANGE. FROM 0233 UTC UNTIL 0320 UTC USERS MAY HAVE EXPERIENCED UNUSUALLY LARGE RANGE AND RANGE RATE ERRORS. 2. POC: CAPT THOMPSON AT COMMERCIAL (719) 550-6378 OR DSN 560-6378.