NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2025011 SUBJ: SVN79 (PRN28) FORECAST OUTAGE RESCHEDULED 1. NANU TYPE: FCSTRESCD NANU NUMBER: 2025011 NANU DTG: 301731Z JAN 2025 REFERENCE NANU: 2025009 REF NANU DTG: 270243Z JAN 2025 SVN: 79 PRN: 28 START JDAY: 036 START TIME ZULU: 0015 START CALENDAR DATE: 05 FEB 2025 STOP JDAY: 036 STOP TIME ZULU: 1215 STOP CALENDAR DATE: 05 FEB 2025 2. CONDITION: GPS SATELLITE SVN79 (PRN28) WILL BE UNUSABLE ON JDAY 036 (05 FEB 2025) BEGINNING 0015 ZULU UNTIL JDAY 036 (05 FEB 2025) ENDING 1215 ZULU. PLEASE REFERENCE NANU NUMBER 2025009 DTG 270243Z JAN 2025 FOR THE ORIGINAL OUTAGE TIME. 3. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV MILITARY - GPS WARFIGHTER COLLABORATION CELL at HTTPS://GWCC-WS.CCE.AF.MIL/GPSOC, DSN 560-2541, COMM 719-567-2541, gpsoperationscenter@us.af.mil, HTTPS://GWCC-WS.CCE.AF.MIL MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3526. COMM 805-606-3526. JSPOCCOMBATOPS@US.AF.MIL