Navigation Center Logo
Skip Navigation Home | DGPS Advisories | GPS Constellation Status | GPS Testing Notices | LNMs | Almanacs | Nav Rules | AIS | International Ice Patrol | Contact Us | Search
Primary Mission Areas:
Services & Reporting:
Maritime Information:


GPS Constellation Active Nanu Status
GPS CONSTELLATION STATUS FOR 05/19/2012

PLANE SLOT SVN PRN BLOCK-TYPE CLOCK OUTAGE DATE NANU-TYPE NANU-SUBJECT
A 1 39 9 IIA CS
A 2 52 31 IIR-M RB
A 3 38 8 IIA CS
A 4 48 7 IIR-M RB
A 6 27 27 IIA CS
B 1 56 16 IIR RB
B 2 62 25 IIF RB
B 3 44 28 IIR RB
B 4 58 12 IIR-M RB
B 5 35 30 IIA RB 18 MAY 2012 FCSTMX 2012032 - SVN35 (PRN30) FORECAST OUTAGE JDAY 139/2100 - JDAY 145/2100
C 1 57 29 IIR-M RB
C 2 33 3 IIA CS
C 3 59 19 IIR RB
C 4 53 17 IIR-M RB
C 6 36 6 IIA RB
D 1 61 2 IIR RB
D 2 63 1 IIF RB
D 3 45 21 IIR RB
D 4 34 4 IIA RB
D 5 46 11 IIR RB
E 1 51 20 IIR RB
E 2 47 22 IIR RB
E 3 50 5 IIR-M RB
E 4 54 18 IIR RB
E 5 23 32 IIA RB
E 6 40 10 IIA CS
F 1 41 14 IIR RB
F 2 55 15 IIR-M RB
F 3 43 13 IIR RB
F 4 60 23 IIR RB
F 5 26 26 IIA RB
GENERAL INFORMATION NANUs
2012024

NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2012024 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
ON APPROXIMATELY 25 APR 2012 SVN37 WILL RESUME TRANSMITTING L-BAND UTILIZING PRN24. AT L-BAND ACTIVATION, SVN37/PRN24 WILL BE UNUSABLE UNTIL FURTHER NOTICE. ADDITIONALLY, NO BROADCAST ALMANACS WILL INCLUDE SVN37/PRN24. 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