NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2023074 SUBJ: SVN67 (PRN06) FORECAST OUTAGE SUMMARY JDAY 355/1123 - JDAY 355/1629 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2023074 NANU DTG: 211628Z DEC 2023 REFERENCE NANU: 2023073 REF NANU DTG: 151610Z DEC 2023 SVN: 67 PRN: 06 START JDAY: 355 START TIME ZULU: 1123 START CALENDAR DATE: 21 DEC 2023 STOP JDAY: 355 STOP TIME ZULU: 1629 STOP CALENDAR DATE: 21 DEC 2023 2. CONDITION: GPS SATELLITE SVN67 (PRN06) WAS UNUSABLE ON JDAY 355 (21 DEC 2023) BEGINNING 1123 ZULU UNTIL JDAY 355 (21 DEC 2023) ENDING 1629 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://GPS.AFSPC.AF.MIL MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3526. COMM 805-606-3526. JSPOCCOMBATOPS@US.AF.MIL