NOTICE ADVISORY TO NAVSTAR USERS (NANU) #065-94048 SUBJ: PRN03 UNUSABLE 048/1230-048/1745 REF: NANU 063 (DTG 171510Z FEB 94) 1. CONDITION: PRN03 (SVN11) WAS UNUSABLE ON DAY 048 (17 FEB 94) BEGINNING 1230 UTC UNTIL DAY 048 AT 1745 UTC. USERS SHOULD HAVE BEEN UNABLE TO USE PRN03 FOR A NAVIGATION SOLUTION BEGINNING AT 1456 UTC. FROM 1230 UTC UNTIL 1456 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.