NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2020053 SUBJ: SVN61 (PRN02) FORECAST OUTAGE JDAY 296/1300 - JDAY 297/0100 1. NANU TYPE: FCSTDV NANU NUMBER: 2020053 NANU DTG: 151706Z OCT 2020 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 61 PRN: 02 START JDAY: 296 START TIME ZULU: 1300 START CALENDAR DATE: 22 OCT 2020 STOP JDAY: 297 STOP TIME ZULU: 0100 STOP CALENDAR DATE: 23 OCT 2020 2. CONDITION: GPS SATELLITE SVN61 (PRN02) WILL BE UNUSABLE ON JDAY 296 (22 OCT 2020) BEGINNING 1300 ZULU UNTIL JDAY 297 (23 OCT 2020) ENDING 0100 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