NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2019158 SUBJ: SVN34 (PRN18) DECOMMISSIONING JDAY 282/2200 1. NANU TYPE: DECOM NANU NUMBER: 2019158 NANU DTG: 092314Z OCT 2019 REFERENCE NANU: 2019156 REF NANU DTG: 032211Z OCT 2019 SVN: 34 PRN: 18 UNUSABLE START JDAY: 280 UNUSABLE START TIME ZULU: 2000 UNUSABLE START CALENDAR DATE: 07 OCT 2019 DECOMMISSIONING START JDAY: 282 DECOMMISSIONING START TIME ZULU: 2200 DECOMMISSIONING START CALENDAR DATE: 09 OCT 2019 2. CONDITION: GPS SATELLITE SVN34 (PRN18) WAS UNUSABLE AS OF JDAY 280 (07 OCT 2019) AND REMOVED FROM THE GPS CONSTELLATION ON JDAY 282 (09 OCT 2019). 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