NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2011024

Ref: http://www.navcen.uscg.gov/gps/geninfo/NANUabbr.htm
http://celestrak.com/GPS/NANU/2010/
http://celestrak.com/GPS/NANU/2011/


2011024------------------------
NOTICE ADVISORY TO NAVSTAR USERS (NANU) 2011024
SUBJ: SVN62 (PRN25) FORECAST OUTAGE SUMMARY JDAY 080/2233 - JDAY 081/0715
1. NANU TYPE: FCSTSUMM
NANU NUMBER: 2011024
NANU DTG: 220734Z MAR 2011
REFERENCE NANU: 2011023
REF NANU DTG: 220227Z MAR 2011
SVN: 62
PRN: 25
START JDAY: 080
START TIME ZULU: 2233
START CALENDAR DATE: 21 MAR 2011
STOP JDAY: 081
STOP TIME ZULU: 0715
STOP CALENDAR DATE: 22 MAR 2011

2. CONDITION: GPS SATELLITE SVN62 (PRN25) WAS UNUSABLE ON JDAY 080
(21 MAR 2011) BEGINNING 2233 ZULU UNTIL JDAY 081 (22 MAR 2011)
ENDING 0715 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 081.OA1
SUBJ: GPS STATUS 22 MAR 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)

2011018 072248Z MAR 2011 27 FCSTMX 074/0200-074/1400
2011019 072252Z MAR 2011 25 FCSTMX 075/1830-076/1830
2011020 150332Z MAR 2011 27 FCSTSUMM 074/0239-074/0329
2011021 162329Z MAR 2011 25 FCSTSUMM 075/1905-075/2328
2011022 171945Z MAR 2011 25 FCSTMX 080/2100-081/0300
2011023 220227Z MAR 2011 25 FCSTEXTD 080/2233-/
2011024 220734Z MAR 2011 25 FCSTSUMM 080/2233-081/0715
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