NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2011100-101

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2011100
SUBJ: SVN62 (PRN25) FORECAST OUTAGE JDAY 349/1500 - JDAY 350/0300
1. NANU TYPE: FCSTDV
NANU NUMBER: 2011100
NANU DTG: 092122Z DEC 2011
REFERENCE NANU: N/A
REF NANU DTG: N/A
SVN: 62
PRN: 25
START JDAY: 349
START TIME ZULU: 1500
START CALENDAR DATE: 15 DEC 2011
STOP JDAY: 350
STOP TIME ZULU: 0300
STOP CALENDAR DATE: 16 DEC 2011

2. CONDITION: GPS SATELLITE SVN62 (PRN25) WILL BE UNUSABLE ON JDAY 349
(15 DEC 2011) BEGINNING 1500 ZULU UNTIL JDAY 350 (16 DEC 2011)
ENDING 0300 ZULU.

3. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV
MILITARY - GPS OPERATIONS CENTER at HTTP://GPS.AFSPC.AF.MIL/GPSOC,
DSN 560-2541,
COMM 719-567-2541, gps_support@schriever.af.mil,
HTTPS://GPS.AFSPC.AF.MIL
MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3514,
COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG.AF.MIL





NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2011101 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
On 15 DEC 2011, after 2200z, GPS will transition SVN27 (PRN27) into the
broadcast almanac for all satellites. The almanac transition, one
satellite at a time, will require approximately 24 hours to complete.
Before, during and after transition SVN27 (PRN27) will remain unusable
until further notice. Future NANUs will notify users of any changes to
the above stated status.
*** GENERAL MESSAGE TO ALL GPS USERS ***

POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV
MILITARY - GPS OPERATIONS CENTER at HTTP://GPS.AFSPC.AF.MIL/GPSOC,
DSN 560-2541,
COMM 719-567-2541, gps_support@schriever.af.mil,
HTTPS://GPS.AFSPC.AF.MIL
MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3514,
COMM 805-606-3514, JSPOCCOMBATOPS@VANDENBERG.AF.MIL


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