NOTICE ADVISORY TO NAVSTAR USERS (NANU) #022-90033 SUBJ: PRN17 USABLE 33/2228UTC 1. PRN17 USABLE 33/2228UTC FOLLOWING ORBIT ADJUSTMENT (DAY 33) FOLLOWING STATION KEEPING. 2. RECOMMENDATION: USER EQUIPMENT SHOULD BE INITIALIZED USING THE LATEST ALMANAC DATA. 3. POINT OF CONTACT: MAJ FAUVER AT COMM (719)550-6379 OR AV560-6379.