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Posted by Sam Wormley on February 23, 2011, 8:47 am
> Ref: http://www.navcen.uscg.gov/gps/geninfo/NANUabbr.htm
> http://celestrak.com/GPS/NANU/2010/
> http://celestrak.com/GPS/NANU/2011/

> 2011017------------------------
> NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2011017
> SUBJ: SVN36 (PRN06) FORECAST OUTAGE SUMMARY JDAY 054/0143 - JDAY 054/1013
> 1. NANU TYPE: FCSTSUMM
> NANU NUMBER: 2011017
> NANU DTG: 231020Z FEB 2011
> REFERENCE NANU: 2011016
> REF NANU DTG: 182122Z FEB 2011
> SVN: 36
> PRN: 06
> START JDAY: 054
> START TIME ZULU: 0143
> START CALENDAR DATE: 23 FEB 2011
> STOP JDAY: 054
> STOP TIME ZULU: 1013
> STOP CALENDAR DATE: 23 FEB 2011
> 2. CONDITION: GPS SATELLITE SVN36 (PRN06) WAS UNUSABLE ON JDAY 054
> (23 FEB 2011) BEGINNING 0143 ZULU UNTIL JDAY 054 (23 FEB 2011)
> ENDING 1013 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
> UNCLASSIFIED
> GPS OPERATIONAL ADVISORY 054.OA1
> SUBJ: GPS STATUS 23 FEB 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)
> 2011014 101544Z FEB 2011 21 FCSTDV 046/1115-046/2315
> 2011015 152014Z FEB 2011 21 FCSTSUMM 046/1115-046/2005
> 2011016 182122Z FEB 2011 06 FCSTMX 054/0100-054/1300
> 2011017 231020Z FEB 2011 06 FCSTSUMM 054/0143-054/1013
> B. ADVISORIES:
> NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME
START - STOP)
> C. GENERAL:
> NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME
START - STOP)
> 2009025 061455Z APR 2009 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