NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2023056 SUBJ: SVN68 (PRN09) FORECAST OUTAGE SUMMARY JDAY 257/2352 - JDAY 258/0504 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2023056 NANU DTG: 150521Z SEP 2023 REFERENCE NANU: 2023055 REF NANU DTG: 111429Z SEP 2023 SVN: 68 PRN: 09 START JDAY: 257 START TIME ZULU: 2352 START CALENDAR DATE: 14 SEP 2023 STOP JDAY: 258 STOP TIME ZULU: 0504 STOP CALENDAR DATE: 15 SEP 2023 2. CONDITION: GPS SATELLITE SVN68 (PRN09) WAS UNUSABLE ON JDAY 257 (14 SEP 2023) BEGINNING 2352 ZULU UNTIL JDAY 258 (15 SEP 2023) ENDING 0504 ZULU. 3. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV MILITARY - GPS WARFIGHTER COLLABORATION CELL 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