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Ref: http://www.navcen.uscg.gov/gps/geninfo/NANUabbr.htm
http://celestrak.com/GPS/NANU/2010/
http://celestrak.com/GPS/NANU/2011/
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2011033
SUBJ: SVN57 (PRN29) FORECAST OUTAGE SUMMARY JDAY 111/0714 - JDAY
111/1229
1. NANU TYPE: FCSTSUMM
NANU NUMBER: 2011033
NANU DTG: 211240Z APR 2011
REFERENCE NANU: 2011032
REF NANU DTG: 151821Z APR 2011
SVN: 57
PRN: 29
START JDAY: 111
START TIME ZULU: 0714
START CALENDAR DATE: 21 APR 2011
STOP JDAY: 111
STOP TIME ZULU: 1229
STOP CALENDAR DATE: 21 APR 2011
2. CONDITION: GPS SATELLITE SVN57 (PRN29) WAS UNUSABLE ON JDAY 111
(21 APR 2011) BEGINNING 0714 ZULU UNTIL JDAY 111 (21 APR 2011)
ENDING 1229 ZULU.
3. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTP://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
http://celestrak.com/GPS/NANU/2010/
http://celestrak.com/GPS/NANU/2011/
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2011033
SUBJ: SVN57 (PRN29) FORECAST OUTAGE SUMMARY JDAY 111/0714 - JDAY
111/1229
1. NANU TYPE: FCSTSUMM
NANU NUMBER: 2011033
NANU DTG: 211240Z APR 2011
REFERENCE NANU: 2011032
REF NANU DTG: 151821Z APR 2011
SVN: 57
PRN: 29
START JDAY: 111
START TIME ZULU: 0714
START CALENDAR DATE: 21 APR 2011
STOP JDAY: 111
STOP TIME ZULU: 1229
STOP CALENDAR DATE: 21 APR 2011
2. CONDITION: GPS SATELLITE SVN57 (PRN29) WAS UNUSABLE ON JDAY 111
(21 APR 2011) BEGINNING 0714 ZULU UNTIL JDAY 111 (21 APR 2011)
ENDING 1229 ZULU.
3. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTP://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) 2010011 NANU TYPE: GENERAL
- Global Positioning System
- 2010-01-24
- NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2010002 NANU TYPE: GENERAL
- Global Positioning System
- 2010-01-07

> SUBJ: GPS STATUS 21 APR 2011
> 1. SATELLITES, PLANES, AND CLOCKS (CS=CESIUM RB=RUBIDIUM):
> A. BLOCK I : NONE
> B. BLOCK II: PRNS 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
> PLANE : SLOT B11, D1, C2, D4, E3, C5, A4, A3, A1, E6, D2, B4, F3, F1
> CLOCK : RB, RB, CS, RB, RB, RB, RB, CS, CS, CS, RB, RB, RB, RB
> BLOCK II: PRNS 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28
> PLANE : SLOT F2, B1, C4, E4, C3, E1, D3, E2, F4, D21, B2, F21, A6, B3
> CLOCK : RB, RB, RB, RB, RB, RB, RB, RB, RB, CS, RB, RB, CS, RB
> BLOCK II: PRNS 29, 30, 31, 32
> PLANE : SLOT C1, B21, A2, E5
> CLOCK : RB, CS, RB, RB
> 2. CURRENT ADVISORIES AND FORECASTS :
> A. FORECASTS: FOR SEVEN DAYS AFTER EVENT CONCLUDES.
> NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU
> TIME START - STOP)
> 2011027 052022Z APR 2011 06 FCSTMX 101/2100-102/0900
> 2011031 120507Z APR 2011 06 FCSTSUMM 102/0135-102/0506
> 2011032 151821Z APR 2011 29 FCSTDV 111/0645-111/1845
> B. ADVISORIES:
> NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU
> TIME START - STOP)
> 2011029 101844Z APR 2011 26 UNUSUFN 100/1712-/
> 2011030 120045Z APR 2011 26 UNUSABLE 100/1712-102/0043
> C. GENERAL:
> NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU
> TIME START - STOP)
> 2009025 061455Z APR 2009 GENERAL /-/
> 2011026 051701Z APR 2011 GENERAL /-/
> 3. REMARKS:
> A. THE POINT OF CONTACT FOR GPS MILITARY OPERATIONAL SUPPORT IS THE GPS
> OPERATIONS CENTER AT (719)567-2541 OR DSN 560-2541.
> B. CIVILIAN: FOR INFORMATION, CONTACT US COAST GUARD NAVCEN AT
> COMMERCIAL (703)313-5900 24 HOURS DAILY AND INTERNET
> HTTP://WWW.NAVCEN.USCG.GOV
> C. MILITARY SUPPORT WEBPAGES CAN BE FOUND AT THE FOLLOWING
> HTTPS://GPS.AFSPC.AF.MIL/GPS OR HTTP://GPS.AFSPC.AF.MIL/GPSOC
> ____