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GPS
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Maritime Information:
GPS Constellation Active Nanu Status
GPS CONSTELLATION STATUS FOR 05/17/2013

Plane Slot Down ArrowSVN PRN Block-Type Clock Outage Date Nanu-Type Nanu-Subject
A 1 65 24 IIF CS
D 2 63 1 IIF RB
B 2 62 25 IIF RB
D 1 61 2 IIR RB
F 4 60 23 IIR RB
C 3 59 19 IIR RB
B 4 58 12 IIR-M RB
C 1 57 29 IIR-M RB
B 1 56 16 IIR RB
F 2 55 15 IIR-M RB
E 4 54 18 IIR RB
C 4 53 17 IIR-M RB 31 JAN 2013 FCSTCANC 2013010 - SVN53 (PRN17) FORECAST OUTAGE CANCELED
A 2 52 31 IIR-M RB
E 1 51 20 IIR RB
E 3 50 5 IIR-M RB
A 4 48 7 IIR-M RB
E 2 47 22 IIR RB
D 5 46 11 IIR RB
D 3 45 21 IIR RB
B 3 44 28 IIR RB
F 3 43 13 IIR RB
F 1 41 14 IIR RB
E 6 40 10 IIA CS
A 5 39 9 IIA CS
A 3 38 8 IIA CS
C 6 36 6 IIA RB
B 6 35 30 IIA RB 28 MAR 2013 UNUSUFN 2013022 - SVN35 (PRN30) UNUSABLE JDAY 087/1029 - UNTIL FURTHER NOTICE
D 4 34 4 IIA RB
C 2 33 3 IIA CS
F 5 26 26 IIA RB
E 5 23 32 IIA RB
GENERAL INFORMATION NANUs
2012064

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012064 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
ON APPROXIMATELY 18 OCT 2012 SVN49 WILL RESUME TRANSMITTING L-BAND UTILIZING PRN27. AT L-BAND ACTIVATION, SVN49/PRN27 WILL BE UNUSABLE UNTIL FURTHER NOTICE. ADDITIONALLY, NO BROADCAST ALMANACS WILL INCLUDE SVN49/PRN27. FUTURE NANUS WILL INFORM USERS OF ANY CHANGES TO THE ABOVE-STATED STATUS.
*** GENERAL MESSAGE TO ALL GPS USERS ***

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

2013021

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013021 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
ON APPROXIMATELY 27 MAR 2013 SVN49 WILL RESUME TRANSMITTING L-BAND UTILIZING PRN27. AT L-BAND ACTIVATION, SVN49/PRN27 WILL BE UNUSABLE UNTIL FURTHER NOTICE. ADDITIONALLY, NO BROADCAST ALMANACS WILL INCLUDE SVN49/PRN27. FUTURE NANUS WILL INFORM USERS OF ANY CHANGES TO THE ABOVE-STATED STATUS.
*** GENERAL MESSAGE TO ALL GPS USERS ***

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

2013027

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013027
SUBJ: SVN35 (PRN30) DECOMMISSIONING JDAY 121/2200
1. NANU TYPE: DECOM
NANU NUMBER: 2013027
NANU DTG: 012216Z MAY 2013
REFERENCE NANU: 2013022
REF NANU DTG: 281132Z MAR 2013
SVN: 35
PRN: 30
UNUSABLE START JDAY: 087
UNUSABLE START TIME ZULU: 1029
UNUSABLE START CALENDAR DATE: 28 MAR 2013
DECOMMISSIONING JDAY: 121
DECOMMISSIONING TIME ZULU: 2200
DECOMMISSIONING CALENDAR DATE: 01 MAY 2013

2. CONDITION: GPS SATELLITE SVN35 (PRN30) WAS UNUSABLE AS OF JDAY 087 (28 MAR 2013)
AND REMOVED FROM THE GPS CONSTELLATION ON JDAY 121 (01 MAY 2013).

3. 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

2013029

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013029 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
ON APPROXIMATELY 08 MAY 2013 SVN49 WILL CONTINUE TRANSMITTING L-BAND UTILIZING PRN30. SVN49/PRN30 WILL REMAIN UNUSABLE UNTIL FURTHER NOTICE. ADDITIONALLY, NO BROADCAST ALMANACS WILL INCLUDE SVN49/PRN30 UNTIL FURTHER NOTICE.
*** GENERAL MESSAGE TO ALL GPS USERS ***

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

2013031

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013031
SUBJ: SVN66 (PRN27) LAUNCH JDAY 135
1. NANU TYPE: LAUNCH
NANU NUMBER: 2013031
NANU DTG: 152256Z MAY 2013
SVN: 66
PRN: 27
LAUNCH JDAY: 135
LAUNCH TIME ZULU: 2138

2. GPS SATELLITE SVN66 (PRN27) WAS LAUNCHED ON JDAY 135.
A USABINIT NANU WILL BE SENT WHEN THE SATELLITE IS SET ACTIVE TO SERVICE.

3. 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/GPSOC/GPS
MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3514. COMM 805-606-3514.
JSPOCCOMBATOPS@VANDENBERG.AF.MIL



GPS Expandable Slot Designations
B D F
B5=B1F D5=D2F F5=F2F
B1-B1A D2=D2A F2=F2A