NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013064 SUBJ: SVN57 (PRN29) FORECAST OUTAGE JDAY 323/1215 - JDAY 324/0015 1 NANU TYPE: FCSTDV NANU NUMBER: 2013064 NANU DTG: 141547Z NOV 2013 REFERENCE NANU: N/A REF NANU DTG: N/A SVN: 57 PRN: 29 START JDAY: 323 START TIME ZULU: 1215 START CALENDAR DATE: 19 NOV 2013 STOP JDAY: 324 STOP TIME ZULU: 0015 STOP CALENDAR DATE: 20 NOV 2013

1. CONDITION: GPS SATELLITE SVN57 (PRN29) WILL BE UNUSABLE ON JDAY 323 (19 NOV 2013) BEGINNING 1215 ZULU UNTIL JDAY 324 (20 NOV 2013) ENDING 0015 ZULU

2. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTP://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 276-3514, COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG AF MIL