NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2019106 SUBJ: SVN66 (PRN27) FORECAST OUTAGE JDAY 203/1400 - JDAY 204/0200 1. NANU TYPE: FCSTMX NANU NUMBER: 2019106 NANU DTG: 172310Z JUL 2019 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 66 PRN: 27 START JDAY: 203 START TIME ZULU: 1400 START CALENDAR DATE: 22 JUL 2019 STOP JDAY: 204 STOP TIME ZULU: 0200 STOP CALENDAR DATE: 23 JUL 2019 2. CONDITION: GPS SATELLITE SVN66 (PRN27) WILL BE UNUSABLE ON JDAY 203 (22 JUL 2019) BEGINNING 1400 ZULU UNTIL JDAY 204 (23 JUL 2019) ENDING 0200 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