NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2021053
SUBJ: SVN56 (PRN16) FORECAST OUTAGE JDAY 319/2015 - JDAY 320/0815
1. NANU TYPE: FCSTDV
NANU NUMBER: 2021053
NANU DTG: 082028Z NOV 2021
REFERENCE NANU: N/A
REF NANU DTG: N/A
SVN: 56
PRN: 16
START JDAY: 319
START TIME ZULU: 2015
START CALENDAR DATE: 15 NOV 2021
STOP JDAY: 320
STOP TIME ZULU: 0815
STOP CALENDAR DATE: 16 NOV 2021

2. CONDITION: GPS SATELLITE SVN56 (PRN16) WILL BE UNUSABLE ON JDAY 319
(15 NOV 2021) BEGINNING 2015 ZULU UNTIL JDAY 320 (16 NOV 2021)
ENDING 0815 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