NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2019036 SUBJ: SVN34 (PRN18) UNUSABLE JDAY 072/1325 - JDAY 072/1327 1. NANU TYPE: UNUNOREF NANU NUMBER: 2019036 NANU DTG: 131329Z MAR 2019 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 34 PRN: 18 START JDAY: 072 START TIME ZULU: 1325 START CALENDAR DATE: 13 MAR 2019 STOP JDAY: 072 STOP TIME ZULU: 1327 STOP CALENDAR DATE: 13 MAR 2019 2. CONDITION: GPS SATELLITE SVN34 (PRN18) WAS UNUSABLE ON JDAY 072 (13 MAR 2019) BEGINNING 1325 ZULU UNTIL JDAY 072 (13 MAR 2019) ENDING 1327 ZULU. 3. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV MILITARY - GPS OPERATIONS CENTER at HTTPS://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541, COMM 719-567-2541, gpsoperationscenter@us.af.mil, HTTPS://GPS.AFSPC.AF.MIL MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3514, COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG.AF.MIL