NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2020052 SUBJ: SVN63 (PRN01) FORECAST OUTAGE JDAY 290/1130 - JDAY 290/2330 1. NANU TYPE: FCSTMX NANU NUMBER: 2020052 NANU DTG: 121617Z OCT 2020 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 63 PRN: 01 START JDAY: 290 START TIME ZULU: 1130 START CALENDAR DATE: 16 OCT 2020 STOP JDAY: 290 STOP TIME ZULU: 2330 STOP CALENDAR DATE: 16 OCT 2020 2. CONDITION: GPS SATELLITE SVN63 (PRN01) WILL BE UNUSABLE ON JDAY 290 (16 OCT 2020) BEGINNING 1130 ZULU UNTIL JDAY 290 (16 OCT 2020) ENDING 2330 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 276-3526. COMM 805-606-3526. JSPOCCOMBATOPS@US.AF.MIL