NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2025005 SUBJ: SVN80 (PRN01) USABLE JDAY 022/1731 1. NANU TYPE: USABINIT NANU NUMBER: 2025005 NANU DTG: 221751Z JAN 2025 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 80 PRN: 01 START JDAY: 022 START TIME ZULU: 1731 START CALENDAR DATE: 22 JAN 2025 STOP JDAY: N/A STOP TIME ZULU: N/A STOP CALENDAR DATE: N/A 2. CONDITION: GPS SATELLITE SVN80 (PRN01) WAS USABLE AS OF JDAY 022 (22 JAN 2025) BEGINNING 1731 ZULU. 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