NOTICE ADVISORY TO NAVSTAR USERS (NANU) #026-90036 SUBJ: PRN14 AND PRN19 DEGRADED 37/2200-41/0600UTC FOR TESTING 1. CONDITION: AT TIMES DURING THE PERIOD 6 FEB (DAY 37) BEGINNING 2200UTC UNTIL 10 FEB 90 ENDING 0600UTC PRNS 14 AND 19 WILL BE SET USABLE (HEALTHY) BUT DATA WILL BE DEGRADED. 2. RECOMMENDED ACTIONS: USERS SHOULD BE AWARE THAT PRNS 14 AND 19 WILL BE USABLE BUT DATA MAY BE DEGRADED. USE AT YOUR OWN RISK. 3. POINT OF CONTACT: MAJ FAUVER AT COMMERCIAL (719)-550-6379 OR AUTOVON 560-6379.