NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2023012
SUBJ: SVN56 (PRN16) FORECAST OUTAGE JDAY 047/2130 - JDAY 048/0930
1. NANU TYPE: FCSTDV
NANU NUMBER: 2023012
NANU DTG: 101757Z FEB 2023
REFERENCE NANU: N/A
REF NANU DTG: N/A
SVN: 56
PRN: 16
START JDAY: 047
START TIME ZULU: 2130
START CALENDAR DATE: 16 FEB 2023
STOP JDAY: 048
STOP TIME ZULU: 0930
STOP CALENDAR DATE: 17 FEB 2023

2. CONDITION: GPS SATELLITE SVN56 (PRN16) WILL BE UNUSABLE ON JDAY 047
(16 FEB 2023) BEGINNING 2130 ZULU UNTIL JDAY 048 (17 FEB 2023)
ENDING 0930 ZULU.

3. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV
MILITARY - GPS WARFIGHTER COLLABORATION CELL 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

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2023011

SUBJ: SVN63 (PRN01) UNUSABLE JDAY 028/1500 - JDAY 033/2222

1. NANU TYPE: UNUSABLE

       NANU NUMBER: 2023011

       NANU DTG: 022240Z FEB 2023

       REFERENCE NANU: 2023010

       REF NANU DTG: 281541Z JAN 2023

       SVN: 63

       PRN: 01

       START JDAY: 028

       START TIME ZULU: 1500

       START CALENDAR DATE: 28 JAN 2023

       STOP JDAY: 033

       STOP TIME ZULU: 2222

       STOP CALENDAR DATE: 02 FEB 2023

2. CONDITION: GPS SATELLITE SVN63 (PRN01) WAS UNUSABLE ON JDAY 028

    (28 JAN 2023) BEGINNING 1500 ZULU UNTIL JDAY 033 (02 FEB 2023)

    ENDING 2222 ZULU.

3. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV

    MILITARY - GPS WARFIGHTER COLLABORATION CELL 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