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http://www.navcen.uscg.gov/gps/geninfo/NANUabbr.htm
http://celestrak.com/GPS/NANU/2011/
http://celestrak.com/GPS/status/2011/
> NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2011060
> SUBJ: SVN53 (PRN17) FORECAST OUTAGE SUMMARY JDAY 223/1758 - JDAY 224/0011
> 1. NANU TYPE: FCSTSUMM
> NANU NUMBER: 2011060
> NANU DTG: 120044Z AUG 2011
> REFERENCE NANU: 2011056
> REF NANU DTG: 051456Z AUG 2011
> SVN: 53
> PRN: 17
> START JDAY: 223
> START TIME ZULU: 1758
> START CALENDAR DATE: 11 AUG 2011
> STOP JDAY: 224
> STOP TIME ZULU: 0011
> STOP CALENDAR DATE: 12 AUG 2011
>
> 2. CONDITION: GPS SATELLITE SVN53 (PRN17) WAS UNUSABLE ON JDAY 223
> (11 AUG 2011) BEGINNING 1758 ZULU UNTIL JDAY 224 (12 AUG 2011)
> ENDING 0011 ZULU.
>
> 3. POC: CIVILIAN - NAVCEN AT 703-313-5900, HTTPS://WWW.NAVCEN.USCG.GOV
> MILITARY - GPS OPERATIONS CENTER at HTTP://GPS.AFSPC.AF.MIL/GPSOC, DSN 560-2541,
> COMM 719-567-2541, (E-Mail Removed), HTTPS://gps.afspc.af.mil
> MILITARY ALTERNATE - JOINT SPACE OPERATIONS CENTER, DSN 276-3514,
> COMM 805-606-3514, (E-Mail Removed)
> PS OPERATIONAL ADVISORY 223.OA1
> SUBJ: GPS STATUS 11 AUG 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 D6, D1, C2, D4, E6, C6, A4, A3, A1, E6, D2, B4, F3, F1
> CLOCK : CS, 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, D5, B2, F5, 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, B5, A2, E5
> CLOCK : RB, RB, 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)
> 2011053 301505Z Jul 2011 24 FCSTDV 215/1030-215/2230
> 2011054 031841Z Aug 2011 24 FCSTSUMM 215/1107-215/1756
> 2011056 051456Z Aug 2011 17 FCSTDV 223/1740-224/0540
> 2011060 120044Z Aug 2011 17 FCSTSUMM 223/1758-224/0011
> 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)
> 2011046 122307Z Jul 2011 GENERAL /-/
> 2011047 160718Z Jul 2011 01 LAUNCH /-/
> 2011048 210140Z Jul 2011 GENERAL /-/
> 2011055 031855Z Aug 2011 GENERAL /-/
> 2011057 051821Z Aug 2011 GENERAL /-/
> 2011058 051840Z Aug 2011 GENERAL /-/
> 2011059 102248Z Aug 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 719-567-2541 24 HOURS DAILY AND INTERNET
> HTTPS://WWW.NAVCEN.USCG.GOV
> C. MILITARY SUPPORT WEBPAGES CAN BE FOUND AT THE FOLLOWING
> HTTPS://gps.afspc.af.mil/GPS OR HTTPS://gps.afspc.af.mil/GPSOC
>
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