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GPS Constellation Active Nanu Status
GPS CONSTELLATION STATUS FOR 08/12/2013

Plane Slot Down ArrowSVN PRN Block-Type Clock Outage Date Nanu-Type Nanu-Subject
C 2 66 27 IIF RB 21 JUN 2013 USABINIT 2013035 - SVN66 (PRN27) USABLE JDAY 172/1958
LAUNCH 2013031 - SVN66 (PRN27) LAUNCH JDAY 135
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
B 6 49 30 IIR-M RB 28 MAR 2013 UNUSUFN 2013022 - SVN35 (PRN30) UNUSABLE JDAY 087/1029 - UNTIL FURTHER NOTICE
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 13 AUG 2013 FCSTDV 2013043 - SVN39 (PRN9) FORECAST OUTAGE JDAY 225/0715 - JDAY 226/0715
A 3 38 8 IIA CS
C 6 36 6 IIA RB 13 AUG 2013 FCSTMX 2013044 - SVN36 (PRN6) FORECAST OUTAGE JDAY 225/1330 - JDAY 226/0130
D 4 34 4 IIA RB
C 5 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

2013034

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013034 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
THE PURPOSE OF THIS NOTIFICATION IS TO INFORM USERS OF AN UPCOMING EVENT RELATED TO THE GPS SATELLITE CONSTELLATION. AIR FORCE SPACE COMMAND WILL BE TESTING CNAV CAPABILITIES ON THE GPS L2C AND L5 SIGNALS ON JDAYS 2013/166-2013/182. THERE ARE NO PLANNED GPS SATELLITE OUTAGES OR DEGRADATIONS FOR THIS ACTIVITY. L2C AND L5 CNAV MESSAGE TESTING SHOULD BE TRANSPARENT TO GPS RECEIVERS THAT DO NOT PROCESS L2C OR L5 CNAV. THESE TEST EVENTS WILL PROVIDE AN OPPORTUNITY FOR CIVIL USERS AND MANUFACTURERS TO PARTICIPATE IN L2C AND L5 EVALUATION. DETAILS ON THE TEST PLAN ARE LOCATED AT THE NAVCEN WEB PAGE HTTP://WWW.NAVCEN.USCG.GOV/L2C_L5_CNAV_TEST_PLAN.PDF . ANY MILITARY OR CIVIL USERS WHO ENCOUNTER USER EQUIPMENT PROBLEMS DURING OR AFTER TESTING SHOULD CONTACT THE APPLICABLE POCS IDENTIFIED BELOW AS SOON AS POSSIBLE. AVIATION USERS SHOULD FILE REPORTS CONSISTENT WITH FAA-APPROVED PROCEDURES. USERS ARE CAUTIONED THAT L2C AND L5 SIGNALS ARE NOT OPERATIONAL.
*** 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

2013038

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2013038 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
THE PURPOSE OF THIS NOTIFICATION IS TO INFORM USERS THAT THE L2C AND L5 CNAV MESSAGE TESTING ANNOUNCED IN NANU 2013034 IS COMPLETE. ANY MILITARY OR CIVIL USERS WHO ENCOUNTERED USER EQUIPMENT PROBLEMS DURING THIS PERIOD SHOULD CONTACT THE GPSOC (MILITARY), NAVCEN (CIVIL, NON-AVIATION) AS SOON AS POSSIBLE, OR AVIATION USERS SHOULD FILE REPORTS CONSISTENT WITH FAA APPROVED PROCEDURES.
*** 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



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