NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2024033 SUBJ: SVN51 (PRN20) FORECAST OUTAGE SUMMARY JDAY 170/1449 - JDAY 170/2015 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2024033 NANU DTG: 182018Z JUN 2024 REFERENCE NANU: 2024032 REF NANU DTG: 131436Z JUN 2024 SVN: 51 PRN: 20 START JDAY: 170 START TIME ZULU: 1449 START CALENDAR DATE: 18 JUN 2024 STOP JDAY: 170 STOP TIME ZULU: 2015 STOP CALENDAR DATE: 18 JUN 2024 2. CONDITION: GPS SATELLITE SVN51 (PRN20) WAS UNUSABLE ON JDAY 170 (18 JUN 2024) BEGINNING 1449 ZULU UNTIL JDAY 170 (18 JUN 2024) ENDING 2015 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