NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2015074 SUBJ: SVN59 (PRN19) FORECAST OUTAGE SUMMARY JDAY 225/0319 - JDAY 225/1055 1 NANU TYPE: FCSTSUMM NANU NUMBER: 2015074 NANU DTG: 131057Z AUG 2015 REFERENCE NANU: 2015072 REF NANU DTG: 071617Z AUG 2015 SVN: 59 PRN: 19 START JDAY: 225 START TIME ZULU: 0319 START CALENDAR DATE: 13 AUG 2015 STOP JDAY: 225 STOP TIME ZULU: 1055 STOP CALENDAR DATE: 13 AUG 2015

1. CONDITION: GPS SATELLITE SVN59 (PRN19) WAS UNUSABLE ON JDAY 225 (13 AUG 2015) BEGINNING 0319 ZULU UNTIL JDAY 225 (13 AUG 2015) ENDING 1055 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