NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2020063 SUBJ: SVN66 (PRN27) FORECAST OUTAGE SUMMARY JDAY 302/1236 - JDAY 302/1713 1. NANU TYPE: FCSTSUMM NANU NUMBER: 2020063 NANU DTG: 281714Z OCT 2020 REFERENCE NANU: 2020059 REF NANU DTG: 231555Z OCT 2020 SVN: 66 PRN: 27 START JDAY: 302 START TIME ZULU: 1236 START CALENDAR DATE: 28 OCT 2020 STOP JDAY: 302 STOP TIME ZULU: 1713 STOP CALENDAR DATE: 28 OCT 2020 2. CONDITION: GPS SATELLITE SVN66 (PRN27) WAS UNUSABLE ON JDAY 302 (28 OCT 2020) BEGINNING 1236 ZULU UNTIL JDAY 302 (28 OCT 2020) ENDING 1713 ZULU. 3. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV MILITARY - GPS OPERATIONS CENTER 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