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Ref: http://www.navcen.uscg.gov/gps/geninfo/NANUabbr.htm
http://celestrak.com/GPS/NANU/2010/
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2010115 NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
For SVN 62/PRN 25 GPS Modernized signal, defined in interface control
documentation as L2C and L5, are now available with the following caveats:
-Availability and quality of these signals are not guaranteed as we
complete the development of these new capabilities
-Any use of these signals at this time is at the user's own risk
*** GENERAL MESSAGE TO ALL GPS USERS ***
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, 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
> 2010106 132014Z AUG 2010 10 FCSTDV 231/0000-231/1200
> 2010107 190442Z AUG 2010 10 FCSTSUMM 231/0010-231/0440
> 2010108 192206Z AUG 2010 14 FCSTDV 236/0815-236/2015
> 2010109 202124Z AUG 2010 03 FCSTDV 238/1645-239/0445
> 2010110 231539Z AUG 2010 26 FCSTMX 239/1100-239/2300
> 2010111 241453Z AUG 2010 14 FCSTSUMM 236/0834-236/1441
> 2010112 262341Z AUG 2010 03 FCSTSUMM 238/1703-238/2259
> 2010114 271704Z AUG 2010 26 FCSTSUMM 239/1118-239/1700
> B. ADVISORIES:
> NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME
START - STOP)
> 2010107 190442Z AUG 2010 10 FCSTSUMM 231/0010-231/0440
> 2010108 192206Z AUG 2010 14 FCSTDV 236/0815-236/2015
> 2010109 202124Z AUG 2010 03 FCSTDV 238/1645-239/0445
> 2010110 231539Z AUG 2010 26 FCSTMX 239/1100-239/2300
> 2010111 241453Z AUG 2010 14 FCSTSUMM 236/0834-236/1441
> 2010112 262341Z AUG 2010 03 FCSTSUMM 238/1703-238/2259
> 2010114 271704Z AUG 2010 26 FCSTSUMM 239/1118-239/1700
> B. ADVISORIES:
> NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME
> 2010113 270416Z AUG 2010 25 USABINIT 239/0410-/
> C. GENERAL:
> NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME
START - STOP)
> C. GENERAL:
> NANU MSG DATE/TIME PRN TYPE SUMMARY (JDAY/ZULU TIME
> 2009025 061455Z APR 2009 GENERAL /-/
> 2010068 111551Z APR 2010 GENERAL /-/
> 2010115 290159Z AUG 2010 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
> 2010068 111551Z APR 2010 GENERAL /-/
> 2010115 290159Z AUG 2010 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

> GPS OPERATIONAL ADVISORY 240.OA1
> SUBJ: GPS STATUS 28 AUG 2010
> 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